Best Free Grammar and Punctuation Checker and Corrector Tools 2022

Start writing, no matter what. You can write a book, a blog post, or an important mail. But presenting your ideas with clear, correct language makes a big impression on your reader. To help you with this, we are presenting you with the Best Free Grammar and Punctuation Checker and Corrector Tool for 2022.

Types Checker Tools in a Grammar Software

Basically, a grammar tool or software is a collection of many other tools. It integrates all the tools as one package. Besides, it also provides standalone (single) applications. Generally, you can use these tools online or offline. Further, you can use it as an integration to other software like web browsers, office software, etc.

To list, few tools of grammar software are.

• Spell Checker
• Grammar Checker
• Punctuation Checker
• Style Checker
• Plagiarism Checker
• Translator
• Dictionary

Trends of free grammar and punctuation checker and corrector tools

Comparison of the best free grammar and punctuation checker and corrector tools 2020.

1. Grammarly

Grammarly is our first pick for the best free grammar and punctuation checker and corrector tool. Surprisingly, around 20M users use this grammar checking tool to write correctly every day.

This free grammar and punctuation checker and corrector tool is a comprehensive writing tool. Indeed, it helps you to write clear, flawless text to impress your readers. Without a doubt, Grammarly will enhance your writing skills day by day.

This free grammar and punctuation checker and corrector tool basically does two things. At first, it corrects your grammatical mistakes. Secondly, it makes your writing more understandable to your user. Besides this, it provides you a host of other features that we will discuss in the feature section.

In particular, the premium version of it has over 400+ types of checks and features.

Mission of Grammarly

To improve lives by improving communication

Basic Info of Grammarly

MAU: 8.60M	Type of Checker: Grammar, Spell and Plagiarism.
Platforms: Details Here	Since: 2009
Website: grammarly.com	Subscription Price: Free | Paid

Social Profile of Grammarly

Facebook Fans : 7M	Instagram Followers: 248K
Twitter Followers: 184.5K	Linkedin Followers: 31K

Grammarly’s Plans

Basically, Grammarly provide two tier of plans- Free and Paid

Free Version

Generally, the free version of Grammarly provides basic writing corrections. To list it provide grammar, spelling, and punctuation corrections. But Grammarly also provide a Non-Profit and NGOs plan that have features of premium plan.

So, the free plans of Grammarly are.

• Grammarly Free
• Grammarly for Non-Profit and NGOs (Free Plan at present)

Paid Version

Overall, there are 4 versions of Grammarly’s paid version.

• i. Premium
• ii. Education
• iii. Business

i. Premium Plan of Grammarly

Billed Monthly	Billed Quarterly	Billed Annually
$29.95/month	$19.98/month	$11.66/month

ii. Education Plan of Grammarly

No of Students	Price
5 users	$500/year
10 users	$800/year
20 users	$1200/year
20+ users	Contact Grammarly

iii. Business Plan of Grammarly

Team Size (no of members)	Billed Monthly (per month per member)	Billed Annually (per month per member)
3-9	$25.00	$12.50
10-49	$25.00	$12.08
50-149	$25.00	$11.67
149+	Contact Grammarly	Contact Grammarly

Platforms Supported

• Web- Online Editor
• Browser Extension or Plugin
  • Chrome
  • Safari
  • Firefox
  • Edge
• Microsoft Office as Add-in
• Native App or Software
  • macOS
  • Windows
  • iOS
  • Android
• Google Docs
• iPad
• iOS and Android Keyboard

Features

1. Word Class Grammar Checker

Grammarly has the best grammar checker tool in the market. Basically, it provides free grammar and punctuation checker and corrector tool. Basically, with its free version, you can check 4 things. To list, they are.

• Grammatical Errors Check
• Spelling Errors  Check
• Incorrect Punctuation Check
• Misused Words Check

2. Grammar Error Check

This free grammar and punctuation checker and corrector tool checks for error in online mode. Basically, it checks for any mistakes, from typos to problems in sentence structure.

3. Spelling Error Check

Along with simple error checks, Grammarly also fixes tricky spelling errors. Its sentence checker also catches commonly confusing words used in the wrong context.

4. Incorrect Punctuation Check

Comma is important in a sentence because it changes the meaning of the complete sentence. Grammarly sentence checker helps you to do it correctly. Basically, it checks for correct placement of commas, period, semicolons, and apostrophes.

5. Misused Words Check

Besides free users, this facility is available for all other users. Basically, it enables you to enhance your writing. It does it through some advanced checks and features.

It also provides advanced suggestions for vocabulary, word choice and tone of the sentence suggestions.

6. Effective Digital Writing Assistant

Grammarly strives to its mission to help people communicate effectively. It helps you to strengthen your writing with correct tone and intent.

The writing assistant of this free grammar and punctuation checker and corrector tool provides you support in many things. To list, some important one are as follows.

• Clean Writing
• Mistake-Free Writing
• Offer Suggestions

7. Cutting-Edge Technology for Grammar.

This free grammar and punctuation checker and corrector tool use a variety of innovative approaches to enhance your writing. To list, some technologies Grammarly uses are.

• Machine Learning
• Deep Learning
• Natural Language Processing (NLP)
• Data Science

Grammarly can provide you better help than other free grammar and punctuation checker and corrector tool.

8. Security

Everybody is concerned about security while using an online tool, app, or software. Specifically, security is the primary focus of all the products Grammarly builds.

To point out, Grammarly has complete end-to-end ownership of their product. There is no middleman or software involved. It also has implemented multi-factor authentication like 2FA.

9. Tone Detector of Grammarly

 Writing good grammar is not only enough, but how you present it is also important. Grammarly’s tone detector helps you to set the tone in your writing. For example, sound friendly or concerned but not angry with your writing

This free grammar and punctuation checker and corrector tool analyze your sentence to know the tone of your writing. To list, it analyzes your word choice, phrasing, punctuation and even capitalization.

List of Tones detected by Grammarly.

At present, Grammarly detects the following 19 tones.

• Formal, Informal
• Surprised
• Curious
• Encouraging
• Optimistic
• Excited
• Sad, worried, Angry, Regretful, Accusatory
• Disheartening, Disapproving,
• Neutral
• Egocentric
• Unassuming
• Forceful, Encouraging

10. Plagiarism Checking

You might unintentionally write a sentence or two similar to another’s writing. You may also intentionally copy someone’s text without giving credit to the author. These are plagiarism.

The plagiarism checker tool of Grammarly detects plagiarism in your text basically. It also checks for various other writing issues. It catches plagiarism from ProQuest database and other millions of web pages.

You get an instant report when you use Grammarly free online plagiarism checker. Besides this, it also checks for any grammar and writing issues.

11. Expert Writing Service (Actual Person)

This is one of the unique features that make Grammarly as our pick for the best free grammar and punctuation, checker and corrector tool. To point out, it is a separate add-on service to your Grammarly subscription.

In this service, an actual person employed by Grammarly corrects your documents for some fees generally. They review your document and also correct spelling, grammar, sentence structure, and punctuation.

At present, Grammarly provide two plans with 3 turnaround options (time to finish the task).

• i. Correctness only.
• ii. Correctness and Clarity.

i. Correctness only

Generally, in this plan Proofreaders of Grammarly will correct your douument. They will fix errors in spelling, grammar, punctuation, and sentence structure. This option has 3 turnaround (time taken to finish a task) options with different pricing structures.

Turnaround Time (how fast you need the document)	Cost Per Word
30 mins	$0.149
24 hours	$0.029
3 days	$0.019

ii. Correctness and Clarity

If you choose this option Proofreaders of Grammarly will do two things. At first, they will fix errors as mentioned above in the Correctness only option. In addition, they will make sure that your document is concise and easy to read. Basically, this option has 3 turnaround (time taken to finish a task) options with different pricing structures.

Turnaround Time (how fast you need the document)	Cost Per Word
6 hours	$0.179
24 hours	$0.109
3 days	$0.099

12. Grammarly Handbook

It is Grammarly’s online English guide for English Grammar basically. You can find all the answers to all of your confusing problems and questions on grammar.

It provides the following content.

• Grammar
• Punctuation
• Mechanics
• Techniques
• Style
• Grammarly Community
• Grammarly Blog

The contents of Grammarly Blog is amazing. You can mainly find 3 sections – Writing, Product and Company. We explain each section below.

Writing

This section is many intended mainly for the users interested in Grammarly’s Tips and Guides on Grammar.

It is the Grammarly Handbook as discussed in the features section.

Product

The Product Section of Grammarly’s blog contains its features and new updates on its products. You can find the latest news about Grammarly.

Company

This section focuses on posts aimed for Grammarly’s employees and investors. It contains the business aspect of Grammarly.

Pros

• Grammarly has  powerful and a lot of integration.
• Uses innovative technology like Machine and Deep Learning, NLP and AI.
• Have all kinds of products for various types of users like individual, students, enterprise, etc.

Cons

We will discuss the cons of Grammarly in details.

1. Only English language support

At present Grammarly supports only English languages. To list, it supports American English, British English, Canadian English and Australian English

2.Hidden Limitation of Using Grammarly (for all users).

Basically, there are 4 types of limitation in using Grammarly. It applies to all the users. To list, the limitations are.

• Document Limitation
• Page Limitation
• Uploaded Limitation
• Device Limitation

i. Document Limitation

Basically, it applies to each individual of all the plans of Grammarly.

Limitation on	24 hours limitation	30 days limitation
Total Words	50K	150K
No of Documents	1K	3K

ii. Page Limitation of Grammarly

Platform	Total Character at a time(including spaces)
Web (Online Editor)	100K
Microsoft Word on Mac	150K
Microsoft Word on Windows	No Limit
Outlook	No Limit

iii. Upload Limitation of Files of Grammarly

Total Character in a file(including spaces)	100K
File Size	Equal to less than 4MB
File Types	.doc, .docx, .odt, .txt and .rtf

iv. Device Limitation of Grammarly

You can use Grammarly on 5 different devices with a single membership generally.

3. Only Online Version

To point out, there is no offline version of Grammarly. You have to be always connected to a stable internet connection to use Grammarly.

4. Limited Document Support

It doesn’t support most widely used format of documents i.e. PDF (Portable Document Format)

5. No Open API for Grammarly

In Spite of being popular among the users, a href=”https://grammarly.go2cloud.org/SH2Uh” target=”_blank” rel=”noreferrer noopener”>Grammarly. does not provide API for developers.But you can get API of you into its affliate program.

2. ProWritingAid

ProWritingAid is the most feature-rich free grammar and punctuation, checker and corrector tool at present. It especially helps you to make your writing fast and best.

ProWritingAid presents you 20+ different reports after analyzing your writing. Basically, ProWritingAd was designed for professional authors to improve their manuscript. But everyone can use it.

Basic Info

MAU: 171K	Type of Checker: Grammar, Spell and Plagiarism.
Platforms: Details Here	Since: 2009
Website: prowritingaid.com	Subscription Price: Free | Paid

Mission of ProWritingAid

We want to help you make your writing the best it can be.

Social Profile

Facebook Fans: 31.5K	Instagram Followers: 9.7K
Twitter Followers: 17.6K	Linkedin Followers: 2.38K

Plans

At present ProWritingAid have two plan model.

• Free (500 words at a time)
• Paid Plans

Overall ProWritingAid has 6 paid plans. To list, they are.

• i. Premium
• ii. Premium Plus
• iii. Student
• iv. Bulk or Business Plan
• v. ProWritingAid API
• vi. Plagiarism Checker Standalone Pack

i. Premium Plan of ProWiritingAid

Billed Monthly	Billed Annually	Lifetime
$20.00/month	$6.58/month	$299 with  all updates.

ii. Premium Plus of ProWiritingAid (Premium Plan + 60 Plagiarism Checks/year)

Billed Monthly	Billed Annually	Lifetime
$24.00/month	$7.42/month	$399 with  all updates.

iii. Student Plan of ProWiritingAid

Billed Monthly	Billed Annually	Lifetime
$16/month	$5.26/month	$239 with  all updates.

iv. Bulk or Business Plan of ProWiritingAid (Billed Annually)

To point out, all the ProWritingAid bulk plans are billed annually. Basically, it provides volumes license for 3 to 99 users.

Bulk Purchase	Price (billed annually)
3-4 licenses	$5.93/month
5-9 licenses	$5.60/month
10-15 licenses	$5.26/month
16+ licenses	$4.94/month

v. ProWritingAid API

Basically, the price structure of ProWritingAid API is based on the number of API calls your application makes.

No Of API Calls	Price
Up to 500 calls	Free
Up to 10K calls	$100
Up to 100Kcalls	$500
100K+ calls	Contact ProWritingAid

vi. Plagiarism Checker Standalone Pack of ProWiritingAid

You can also buy a ProWritingAid Plagiarism check separately. 

No of Plagiarism Checks	Price
10 checks	$10
100 checks	$40
500 checks	$120
1000 checks	$200

Platforms Supported

• Web Online Editor
• Browser Extension – Chrome
• Desktop App
• Google Docs
• Scrivener
• Open Office
• Microsoft Office

Features

1. Better Writing in Less Time

Overall, ProWritingAid helps you to improve your writing quickly and efficiently. It provides over 1000 grammar corrections especially. It also provides spelling and readability suggestions.

2. 20 In-depth Writing Reports.

This is the feature that made it to our list for the best free grammar and punctuation checker and corrector tool. Especially, ProWritingAid highlights the part of your sentence where there can be an improvement.

It provides you over 20+ reports to analyze and improve your writing.Especially, each report is indented to provide unique insights into your writing. Some reports provide quick fixes to polish up your writing. While others do an in-depth analysis to improve your writing style.

To list, we discuss briefly some writing reports of ProWritingAid.

i. Writing Style Report

It highlights areas where your writing style needs to be improved such as passive and hidden verbs.

ii. Grammar  Report

This report basically checks grammatical errors. It also checks misuse of words in your writing.

iii. Overused Words Report

Especially, this report gives the comparison of overused words in your writing.

iv. Readability  Report

This report especially provides you a score that tells you how easy your writing is for someone to read. It is basically similar to the Flesch Reading Ease Score.

v.Sentence Length Report

This report produce overall visual representation of sentence length in your writing.

vi. Pronoun Report

It highlights the initial pronouns in your test so you can minimize the use of it. Generally, the repetitive use of the initial pronoun makes your writing boring.

vii. Transition Report

This report chiefly highlights the use of transition sentences in your writing. Generally, the use of transition sentences makes your writing easy to read especially.

viii. Consistency Check

This report basically highlights the inconsistency in your writing. Especially, inconsistency in your writing produces difficult content for your reader.

ix. Thesaurus  Check

It chiefly provides you suggestions for replacement of nouns, verbs, adjectives and adverbs.

x. Repeats Check

It basically highlights the words, and phrases that you have used repeatedly in your text.

xi. Contextual Thesaurus

This report basically gives you suggestions to replace nouns, verbs, adjectives and adverbs.

xii. Plagiarism Report

It checks for plagiarism in your writing, i.e. part of your documents that occur in other’s document(s). It scans databases of millions of web pages, books and academic papers.

Other Reports

Apart from the above tools, there are also many tool provided by ProWritingAid. To list, some are.

• Pacing Check
• Dialogue Tags Check
• Diction Report
• Alliteration Report
• Homonym Check
• Acronym Check
• House Style Check
• Sensory or NLP Predicates Check

3. Lot of Integration option

This free grammar and punctuation checker and corrector tool offers a lot of integration options. Basically, it is an online editing tool for checking and strengthening your writing. It also provides a free tool for students to check their essay -the Free Essay Checker.

In addition, ProWritingAid provides browser extension integration with Microsoft Office and Google Docs. Further, it provides ProWritingAid API which is not available in other free grammar and punctuation checker and corrector tool

4. ProWritingAid  Resources

It is not only a free grammar and punctuation checker and corrector tool but provides you a lot of free resources. To list, we discuss briefly some.

i. Word Explorer

Word Explorer lets you find many things about a word. It lets you find the definition, synonyms, examples, rhyming words, quotes and many more.

ii. Collocation Dictionary

Surprisingly, ProWritingAid has the largest collection of collocations. Collocations are words that are commonly used and found together. You can search these words in the Free Online Collocation Dictionary of ProWritingAid’s website.

iii. Word Cloud Gallery

Basically, Word Cloud is the image representation of words used in your writing. It is similar to a graph and chart. In word cloud, the size of words in the image indicates the frequency of occurrence for that word.

We can also use word Cloud in SEO to see occurrences of your keyword. In addition to this, you can also use it to find a new keyword.

iv. Writing Quotes

In this section you can find quotes on “Writing”. The writing quotes it provides are inspirational. For example,

“If something in your writing gives support to people in their lives, that’s more than just entertainment-which is what we writers all struggle to do, to touch people. “Dean Koontz

5. Writing Resources

ProWritingAid provides you with a free e-book on writing tips. You can even buy these books on Amazon. To list, some books are:-

• The Novel Writing Training Plan
• Business Writing Hacks for Flawless Communications
• Teachers Manual Help your students become smarter writers
• How to make your Manuscript Shine.

ProWritingAid  Premium users can also download all the books for free.

6. Grammar Guide

Basically, it is a collection of guides and answers to your most common grammar and writing styles question. It comprises 5 sections, each dealing with different aspects. To list, they are.

• Grammar – For example, Adverbs, Articles, Conjunctions
• Punctuation- For example, Comma, Hyphen, Apostrophe
• Mechanics-  For example, Capitalization, Spelling, Compound Words
• Techniques  -For example, Idioms, Metaphors, Oxymoron
• Styles-  For example, Cliches, Passive Voice, Irony

To point out, the online grammar guide is excellent. It can be compared to grammar learning courses found in different online learning platforms.

7.Customization Options

This unique feature is rarely provided by other free grammar and punctuation checker and corrector tool. ProWritingAid allows you to customize their software to your specific needs.

This feature allows you and your organization to create your own style of writing. You can even add new words to the dictionary. For example,  “prowritingaid” can be styled as “ProWritingAid”.

8.Data Visualization

We built charts and graphs to illustrate numerical data in a simple form. We use charts and graphs in statistics, mathematics, etc. i.e. things related to numerical data.

But can charts and graphs be used in writing?

ProWritingAid made this possible. It especially allows you to see your writing in a whole new way. It provides insights on readability, sentence variation and more.

9. ProWritingAid API

This is one feature that made us pick ProWritingAid as one of the best free grammar and punctuation checker and corrector tool. Overall 2M+ people use this API.

Basically, API is a set of  tools and libraries for building applications. You can integrate ProWritingAid API  in your own website or application.

Features provided in ProWritingAid  API

• Grammar Checking
• Contextual Spelling
• Terminology
• Entity Spelling
• Writing Style

Prebuilt SDKs

Pre-built Software Development Kits (SDKs) are available in 6 computer languages. To list, they are.

• C# (C Shark)
• Javascript
• Typescript
• PHP
• Phyton
• Java

Presently, ProWritingAid’s API version is 2. You can read the full documentation of using the API in GitHub.

Use of  ProWritingAid  API

Using the ProWritingAid API, you can build some interesting things. To list, some are.

• Medical Transcripts Checking
• Examination Paper Checking
• Quality checking of research papers.

Cost of using API.

You can see the cost of using ProWritingAid API here.

Pros

• It is much cheaper comparatively to other best free grammar and punctuation checker and corrector tool.
• ProWritingAid API is the best among all the best free grammar and punctuation checker and corrector tool. You can use it for free upto 500 API calls.
• It provides you with over 20+ reports to analyze and improve your writing.

Cons

• It has limited plagiarism checks and no free plagiarism checks.
• It has no app for iOS at present.
• Using ProWritingAid is complex for new users. But the features it provide is worth it.

3. Ginger

Ginger is basically a product enhancement app that helps you to write faster and better. It has a grammar checker, punctuation checker, spell checker, and other sophisticated tools. These tools automatically correct mistakes made in your writing.

Ginger made it to our list of the best free grammar and punctuation checker and corrector tool because of its advanced tools. This grammar tool is for both native speakers and non-native speakers.

Mission of Ginger

Help people to write better and faster, in English and in other languages.

Ginger

Basic Info of Ginger

MAU: 621K	Type of Checker: Grammar, Spell, Plagiarism and Translator
Platforms: Details Here	Since: 2008
Website: gingersoftware.com	Subscription Price: Free | Paid

Mission of Ginger

“Help people to write better and faster, in English and in other languages.”

Social Profile of Ginger

Facebook Fans: 69K	YouTube Subscribers: 1.73K
Twitter Followers: 1.5K	Linkedin Followers: 1K

Plans

Ginger has only two plans-Free and Premium. We will discuss the plans in details. Further we will also provide you the cost of Ginger’s app for Android and iOS.

Free

In the free version of Ginger you can correct only 14 documents in a week. It also provides its translation tool where you can translate in 40 languages. Further, all the browser extensions are free.

Premium

In the premium version, you get unlimited grammar checkers and other facilities of free version.It also adds sentence rephraser, text reader, trainer and analysis of error not available in the free version. In this version you get an additional of 20 language translations amounting to 60 languages.

Billed Monthly	Billed Annually	Billed for Two Years
$20.97/month	$7.49/month	$6.66/month

Page (Ginger’s Android Version)

It has the same feature of Ginger Premium. Page app cost  $2.99 (one time purchase)

GingerGrammer (Ginger’s iOS Version)

It has the same feature of Ginger Premium. GingerGrammar  cost  $6.99 (one time purchase)

Platforms Supported

• Web- Online Editor
• Browser Extension – Chrome, Safari
• Windows
• iOS –GingerGrammar
• Android – Page: English Grammar & Spell Checker+Translator
• Android Keyboard – Ginger Keyboard

Features

1. Grammar Checker

Ginger Grammar Checker helps you to write better and efficiently. It uses their proprietary technology to correct grammatical mistakes, spelling mistakes and misuse words. Their technology is submitted for patent but still it is pending.

Ginger Grammar has also the best grammar corrector. It is different from other Best Free Grammar and Punctuation Checker and Corrector Tool.

We were surprised us to see Ginger corrected sophisticated sentences with great accuracy. It can correct singular vs. plural errors and tense usage errors. A single click can correct multiple mistakes. To list some of them are.

• Subject verb agreement
• Singular/Plural nouns
• Consecutive nouns
• Misused words correction
• Contextual Spelling correction

2. Sentence Rephraser

Ginger’s Sentence Rephraser helps you to write your original text in a better way. This tool comes in handy when you are planning to rephrase a sentence.

Synonyms, antonyms, idioms and phrases are used to rephrase your sentences. Overall, the final output will be a high-quality text.

Besides the above, sentence rephraser also does many things. It adds missing words and correct sentence fragmentation. It also correct spelling mistakes according to the context of your sentence.

3. Personal Trainer

Along with Ginger’s free grammar and punctuation checker and corrector tool, it also provides English personal trainer. Ginger lets you learn and practice English online for every user. Above all, it is the only grammar tool that trains you and makes you correct your mistakes.

Ginger’s grammar practice session is unique and personalized for every user. Especially, Ginger’s analyzer tool identifies your weak areas in English. Specifically on analysis it provides you lessons and practice sessions to improve your weak areas.

Advantage of Ginger’s Personal Trainer

• It teaches those topics in which you make frequent mistakes
• It lets you practice by correcting your own sentences.
• Each learning is unique and personalized based on your weak areas. This makes learning faster.
• Besides correction suggestions, you get explanations of the error and tips to avoid it.

4. Text reader

Ginger is not only a free grammar and punctuation checker and corrector tool but a text reader too. Ginger’s Text Reader tool reads aloud your writing with a proper accent. This lets you learn English with another accent for better communication.

Text reader of Ginger has an in-built advanced speech processing engine. It can read any text in high quality human voice. This feature especially makes sure that your writing sounds right.

Features of Text Reader

Ginger’s Text Reader has many features. To list some of them are.

• It can read text from any document, email or website opened with the browser it supports.
• The voices are of actual humans. You also get the option for selecting male or female voices. Moreover, you can select either US or UK accents.
• You have the access to control speed and volume. Moreover, you can play and pause it.
• The text reader highlights what you are reading too.

5. Ginger Translate (60 language translation)

Ginger provides its own translation software apart from its free grammar and punctuation checker and corrector tool. Surprisingly it supports over 60 languages including Spanish, German, Japanese and many others.

Using Ginger’s innovative translation tool is very easy. You have to put your writing you want to translate in the tool. And also you have to choose the language for translation. Surprisingly, Ginger’s translation software is free for download and use.

6. Ginger Define (Ginger’s Dictionary)

Ginger Define is just more than the traditional dictionary you use. At first it gives you a full definition of the word. Second, it can find the synonym so you can choose the best way to express yourself.

Ginger Dictionary is unique and best form other free grammar and punctuation checker and corrector tool’s dictionary. Besides the true meaning of the word, it provides contextual definitions and synonyms.

7. Spell Checker

Spell Checker of Ginger uses sophisticated technology to correct any mistake in your writing. Ginger Spell checker tool corrects many things based on the context of a sentence. To list, they are.

• Phonetic mistakes
• Severe spelling mistakes
• Misused words
• Typos
• Irregular verbal conjugations
• Similar sound word

A single click can correct all the spelling mistakes at once.

8. Ginger’s API

Like other free grammar and punctuation checker and corrector tool, Ginger also provides access to its API. You can integrate Ginger grammar toll into your own application through its API.

Features of Ginger’s API

• Interactive Grammar Check
• Full document proofreading
• Easy and Seamless integration with customer management and education software.

Benefits of using Ginger’s API

• Since Ginger uses latest AI and NLP technology, you will get full benefit of it by using its API
• It provides advanced Proofreading capabilities in its API. 
• Ginger API is GDPR(General Data Protection Regulation)  compliant.
• The API is easy to implement, works in all environments and above all secured.

Pros

• Ginger is the only grammar tool that helps you learn from your own mistakes through their English Personal Trainer.
• This is only the free grammar and punctuation checker and corrector tool that provides you with explanations of the grammatical error and tips to avoid it.
• Ginger provides emoji and customizable themes for the android keyboard.
• Extensive collection of English online tools like grammar rules, spelling book, phrase of the day, etc.
• Dyslexic students can use Ginger’s Assistive Technology.

Cons

• Ginger doesn’t have its software for macOS.
• There is no Google Docs integration as of now.
• Some users have reported that the Ginger Application hangs most of the time.

4.LanguageTool

LanguageTool is our pick for the best free grammar and punctuation checker and corrector tool in the Open Source category. It is an open source proofreading software that supports many languages.

It checks your writing for spelling and grammar problems everywhere online. LanguageTool can also find many errors other simple spell checkers can’t.

It is the first free grammar and punctuation checker and corrector tool that support other languages than English.

Basic Info

MAU:303K	Type of Checker: Grammar, Spell and Translator.
Platforms: Details Here	Since: 2017
Website: languagetool.org	Subscription Price: Free | Paid

Social Profile

Facebook Fans: 1.78K	Github Stargazers: 3.8K
Twitter Followers: 1K	Linkedin Link

Plans

LanguageTool have 1 Free and 2 Paid Plans.

• Free
• Paid
  • Premium
  • Developer API

Premium

Plans	Price
Monthly Subscription	$19.00/month
3-Month Subscription	$13.00/month
Yearly Subscription	$4.92/month
2-Year Subscription	$4.13/month

Developer API

No of API Calls per day	Price
1- 250	$29.00/month
251-500	$39.00/month
501-1000	$59.00/month
1001-2500	$99.00/month
2500+	Contact LanguageTool

Platforms Supported

• Web – Online Editor
• Browser Extension – Chrome, Firefox, Edge, Opera
• Google Docs
• Microsoft Office
• LibreOffice
• OpenOffice

Features

1.Fully Featured Grammar Checker and Proofreader

This is the first free grammar and punctuation checker and corrector tool in our list that provides you full control over your content.

For non-native speakers of a language, it gives you a simple way to improve your writing. LanguageTool is smart enough to detect mistakes if you are a native speaker of a language too. It will improve your overall writing.

Some highlighted sub-feature are

i. One-click correction

You can correct each mistake while you are writing with a single click only.

ii. Quick Overview

Besides the one-click correction, you can also correct the complete document at once. This will save your time. After writing the complete document, you can see all the mistakes at once. You may correct them one by one or as a whole.

2. Personal Dictionary

Besides the fully featured Grammar checker and proofreader, it also provides a personalized dictionary option. There might be some words that are commonly used in your area but not found in a conventional dictionary. So, you can add expectations and words in this personal dictionary.

3. Powerful Integration

Since LanguageTool is an open source software, developers all over the world integrated it to use in almost all the platforms. It has an online editor and browser extension of almost all the web browsers. It not only supports Microsoft Office and Google Docs, it also supports LibreOffice and OpenOffice. LibreOffice and OpenOffice are open source and free office software.

4. LanguageTool Forum

This is only the free grammar and punctuation checker and corrector tool where we could find an official forum. LanguageTool Forum is one of the best we have come across. Basically, it has 3 sections -Latest, Top and Categories. Besides this, you get a pull down filter option.

i. Latest Section

LanguageTool Forum’s Latest Section displays the import post related to this free grammar and punctuation checker and corrector tool. We can sort the topics by no of replies, no of views and time of activity.

ii. Top Section

It displays the top post in the LanguageTool forum. It bases the default order of sorting top posts on numbers of views. But you can sort it by number of replies and date of activity.

iii.Categories Section

In this section you will find 6 sub categories. To list, they are as follows.

• Development- Post related to LanguageTool API
• Site Feedback – Discussion about forum, LanguageTool organization, etc.
• German – Post written in German language and German rules of LanguageTool
• Portuguese –  Post written in Portuguese  language and Portuguese rules of LanguageTool
• Dutch –  Post written in Dutch language and Dutch rules of LanguageTool.
• Uncategorized- Post that does not fit an existing category.

5. 25+ Language Support

LanguageTool detects language automatically. Overall it supports 25 language and still new languages are added now and then.

Language Supported

To list, some of the languages it supports are.

• English (Australian, Canadian, GB, New Zealand, South African, US)
• French
• German (Austria, Germany, Swiss)
• Chinese
• Dutch
• Greek
• Italian
• Japanese
• Persian
• Portuguese (Brazil, Portugal, Angola, Mozambique)
• Russian
• Spanish
• Swedish
• Tamil
• Arabic

Language Rules

Overall LanguageTool supports 25 languages at different levels. Levels here indicates the number of rules a grammar tool can detect basically. To list, the different rules present in LanguageTool are.

• XML rules
• Java rules
• False Friends
• Spell Check
• Confusing pairs
• Activity Rules

You can find the complete list in Language Section of LanguageTool. You can also browse and see all the rules available in a language. Further, you can also see the rule of maintainers and contributors.

Pros

• It checks and corrects grammar in over 25 languages.
• We need no registration for using the free version.
• You can use LanguageTool on almost any website like Facebook, Instagram, Twitter, Gmail and more.

Cons

• LanguageTool has few features comparatively to other free grammar and punctuation checker and corrector tool.
• There is no free version of LanguageTool API.
• Although it has many language supports, some languages get more benefits because of more contributors.
• It has no plagiarism checker tool as of now.

5.WhiteSmoke

This is one of the best free grammar and punctuation checker and corrector tool we have come across. WhiteSmoke is an all-in-one English writing solution for you. It basically provides grammar, spelling, punctuation and style checks. Besides these features, it also helps you to improve your tone and clarity of your writing.

WhiteSmoke can be used by native and non-native English speakers. Overall it allows you to enhance your writing. Basically, it does by producing clear, concise and error-free content.

This free grammar and punctuation checker and corrector tool uses the latest technology in NLP(Natural Language Processing) and AI (Artificial Intelligence).

Mission of WhiteSmoke

Just Write

Basic Info

MAU: 47K	Type of Checker: Grammar, Spell Plagiarism and Translator
Platforms: Details Here	Since: 2009
Website: whitesmoke.com	Subscription Price: Free | Paid

Social Profile

Facebook Fans: 29K	Linkedin Followers: 1K
Twitter Followers: 3.8K	Email

Plans

Free Version

WhiteSmoke provide limited free version of their software. The online grammar checker has a limited facility. After an in-depth search, we could find two free tools it provides. To list, they are.

• Free Online English Dictionary
• Online Grammar Checker

Paid Version

WhiteSmoke has 3 paid versions- Web, Premium and Business.

Platforms Supported

• Web – Online Editor
• Browser Extension – Chrome
• Browser – Chrome, Mozilla, Opera, Safari and Microsoft Edge.
• Windows
• Microsoft Word
• Outlook
• macOS

Features

1. Grammar and Sentence Checker

WhiteSmoke uses an advanced grammar checking algorithm to check your writing. Besides checking and detection of error, it also provides one-click correction of all the errors.

Not only it corrects your error, it also explains the logic behind the error. Generally, we only find this feature in a few free grammar and punctuation checker and corrector tool.

Functions provided by Grammar and Sentence Checker

Basically, WhiteSmoke’s Grammar and Sentence Checker provides 16 additional functions. To list some important ones are.

• Incomplete Sentence completion
• Fragments
• Tense Shifts
• Incorrect Punctuation
• Missing Word
• Misspelling
• Run-on Sentences (incorrect combination of two clause)
• Double Negative (use of two negatives in a sentence)
• Object Clause
• Dangling Modifier (word(s) not giving clear meaning to a sentence)

2. Spell Checker

WhiteSmoke checks and corrects your spelling mistakes everywhere- online and offline. It can check and correct spelling mistakes in your gmail, Facebook and also in Microsoft Word.

Besides normal spelling checking, it can also detect correctly spelled word used in the wrong context in a sentence. For example, principal and principle, personal and personnel and many others.

3. Community-generated spelling database

Community-generated spelling database is a unique and interesting feature. Generally, it is not available in other free grammar and punctuation checker and corrector tool. It is just like crowdsourcing of data.

WhiteSmoke users can add new words to the dictionary. Generally, the new words added are analyzed, cleaned, corrected. Then is added to global WhiteSmoke dictionary for all the users to use.

Especially, this unique technique allows WhiteSmoke to keep up-to-date with dynamically changing language use. It basically ensures new words and concepts come into use by everyone.

4. Style Checker

Writing Style basically refers to the art of writing properly. So, your text flow and sound good for your audience. Basically, you can enhance your writing style by two ways in WhiteSmoke. To list, they are.

• Monotony
• Switching Tense

Monotony i.e same sentence length and structure. It is boring and bad to read. Basically your sentence length should vary in your writing. Besides this, also change your sentence structure.

Switching Tense is bad and confusing for your audience. If you are writing a sentence in present tense then it should end in the same tense.WhiteSmoke checks and corrects monotony and switching tense in your sentence.

5. Punctuation Checker

Punctuation is a common and ignored error not only on non-native speakers but also native speakers. It is confusing too among many writers. So, WhiteSmoke has produced an advanced and state-of-the-art punctuation checker.

WhiteSMoke offers many functions in its punctuation checker. At first, it identifies missing punctuation and corrects them. Second, over time it will improve your punctuation usage. Third, it won’t only correct your mistakes but provide solutions. Finally, it provides you writing tips that will help you strengthen your grammar usage.

6. Translator

WhiteSmoke Translator has the most advanced translators not available in other free grammar and punctuation checker and corrector tools. It basically uses STM (Statistical Machine Translation). In simple words, STM is mapping one human language (source) with another human language (target) sentence wise or word wise.

Features of WhiteSmoke Translator

• Dictionary and Thesaurus for 55 languages.
• Full text and word-to-word translations in 55 languages.
• How a translated word can be used in a sentence is displayed.
• WhiteSmoke Translation works with any text application.

Usage of WhiteSmoke Translator.

• It is generally use in almost all social networking sites.
• International Business for translating emails, contracts, websites, etc.
• Translating Blogs Content.
• In Professional Translations Service.
• In School and Academic Research for translating foreign language publications.

7. WhiteSmoke Blog

WhiteSmoke has a great and unique blog. By comparison, it is diffrent from other blogs of free grammar and punctuation checker and corrector tool. Basically, this blog has 7 sections. To list, they are.

• News
• Academic
• Business
• How-To
• Student Portal
• Fun & Games
• Learn English

Pros

• You can use WhiteSmoke offline as well as in offline mode.
• Overall WhiteSmoke translator can translate over 55 languages.
• It provides text and video writing tutorials on grammar.
• WhiteSmoke’s Writing Assistant for Dyslexia students.

Cons

• WhiteSmoke has only a browser extension for Chrome, though it supports all popular web browsers.
• Limited integration. It has discontinued its android and iOS version.
• Fewer Free tools for WhiteSmoke are available now. It discontinued most of their free tools.
• The website of WhiteSmoke is not user friendly and has redundant data. It is hard to find some pages like its blog page.
• WhiteSmoke blog is rarely updated but the grammar tips, how-to are evergreen content.

Other Mentionable free grammar and punctuation checker and corrector tool.

• Hemingway Tool
• AfterTheDeadline
• Reverso

Final Verdict

We have in-depth discussed the most popular and best free grammar and punctuation checker and corrector online tool available in the market. Most of the tools provide basic grammar checks and corrections. Apart from this, almost all of them provide API integration. Few provide plagiarism, checker, translators and other languages support.

Which one is the best free grammar and punctuation checker and corrector?

We could find ProWritingAid provides you all the features a free grammar and punctuation checker and corrector tool should have, but it has only English language support. Grammarly is popular and costlier than other free grammar and punctuation checker and corrector tool. But its features and powerful integration is worth it.

Ginger and WhiteSmoke is also good enough as it supports over 50 languages. LanguageTool is new in this industry but has put a tough competition to other free grammar and punctuation checker and corrector tool. At last, see our comparison of the best free grammar and punctuation checker and corrector tool and decide which one you want to use. For more suggestions, comment below.