10 Best Free Grammar Checker Online

Quality content is a critical marketing component for businesses and professionals.

With compelling content, companies can

• Communicate the right message
• Build trust
• Drive customer engagement
• Increase revenue and profits

Creating content that drives readership and engagement involves paying attention to the little details that may discredit your work, such as spelling, punctuation, and grammar errors. Plus, you should focus on increasing readability, clarity, and depth.

Grammar checking tools are powerful toolkits that help writers, businesses, and editors create quality copies. They highlight errors and provide real-time suggestions to help improve your work.

This article will review the ten best free and online grammar checkers to help you create quality content.

1. Grammarly

Grammarly is a popular online grammar checker created by Dmytro Lider, Max Lytvyn, Alex Shevchenko, in 2009. The software helps managers, professionals, and academics improve their work. With this tool, companies can drive productive conversations and create error-free documents.

Grammarly supports over 2000 institutions and enterprise clients and 300 team members. Also, the software is used by more than 20 million daily active users. The software is AI-driven and helps user enhance the quality of their writing including

• Social media chats
• Essays
• Emails
• Letters
• Proposal
• Business writing and more

Beyond the writing assistant and grammar checker, Grammarly has a tone detector and plagiarism tool.

Features

Grammarly scans your writing in real-time to help you identify errors. The software checks your grammatical errors, spelling errors, incorrect punctuations, and misused words. The software highlights the mistakes and offers suggestions to help you correct them.

Grammarly checks for sentence structure issues. The software also offers incredible suggestions on word, tone, and vocabulary while you write on platforms including

• Social media (Medium, Facebook, Twitter, and LinkedIn)
• Document and Projects (Google Docs, Jira, Salesforce, Slack)
• Google Chrome
• Microsoft Word
• Emails and Messages (Gmail, Yahoo, Messenger, and Outlook)

With Grammarly’s tone checker, managers can convey their message in the best possible way. The software features a plagiarism tool that helps professionals, editors, and students submit original work.

The plagiarism tool checks your work against over 16 billion web pages and academic papers. And you will receive plagiarism alerts if any part of your work is in the ProQuest database or online repositories. Grammarly provides information about the source of the plagiarized content and scores your work based on its originality.

Pricing

Grammarly has three pricing plans, and they include

• Free – $0
• Premium – $11.66 monthly (billed annually)
• Business – 12.50 monthly per user (billed annually)

Pricing plans for this software may change from time to time. Please refer to the webpage for additional details.

What Users Love About Grammarly 

• Grammarly has a free plan
• The tool features a plagiarism detector and tone checker
• Corrections and suggestions on this software are accurate
• They offer a mobile app for Android and iOS users
• Grammarly is available on multiple platforms, including Windows and Mac devices

Limitations of Grammarly

• The free plan has limited features
• The tool may flag correct texts and sentences as errors
•  Microsoft integration is difficult

2. ProWritingAid

ProWritingAid is a grammar checking tool created by Chris Banks to help editors deliver great manuscripts. Researchers, authors, students, and professionals use the tool to fix errors, eliminate styling issues, and improve writing speed.

Features

ProWritingAid provides a style editor, essay checker, plagiarism tool, and grammar checking API. The software spots grammar and spelling mistakes and automatically offers real-time improvements on readability, grammar, and spelling.

More so, users can use the word explorer and synonyms to get the best word for every context. The software provides in-depth suggestions, videos, and explanations to improve your writing skills.

ProWritingAid allows teams to customize the tool to suit their needs. Users can automated rules, create style guides, suggestions, and dictionaries for company-wide use.

This software allows writers to generate and analyze writing reports via graphs and charts, gain valuable insights, and make improvements.

ProWritingAid has a plagiarism tool that checks your content and helps you avoid plagiarism. The software supports multiple platforms so writers can edit text wherever they write including

• Microsoft Outlook and Word
• Google Docs
• Open Office
• Final Draft

Pricing 

ProWritingAid has multiple pricing categories and they include

• Free – $0 monthly
• Premium – $79 per month
• Premium Plus – $89 per year
• Lifetime – $299 (one-time payment)

Pricing for this tool may differ from time to time. Kindly check the pricing page for updated information.

What Users Love About ProWritingAid

• ProWritingAid is feature-rich and user-friendly
• They offer a free plan
• Companies can customize the tool to suit their writing needs
• Writers can visualize data and can generate reports and insights into essential elements
• They offer a plagiarism checking tool
• The software supports integrations with multiple third-party applications

Limitations of ProWritingAid

• Paid plans are on the high side

3. Hemingway Editor

Hemingway Editor is a free grammar checking tool that helps organizations deliver bold and clear writing. The software is free and is easily accessible online. Business teams use this software to improve their correspondences and provide error-free documents.

Features

The software highlights lengthy sentences in yellow and extra wordy sentences in red. The tool also highlights complicated words, adverbs, and passive voice so that writers can increase clarity and sentence structure.

Writers use this software to improve readability and format their text. Whether you want to use italics, bold or regular, headlines or bullets, Hemingway makes this possible.

With the Hemingway Editor for PC and Mac, users can publish directly to Medium and WordPress. Also, writers can export their work to Microsoft Word, PDF or text, or send highlights to other users.

Pricing 

Hemingway Editor for the web is free. However, the Hemingway Editor for Mac and PC starts from $19.99.

What Users Love About Hemingway 

• Hemingway Editor is free
• The tool helps users write concise articles
• Hemingway Editor has a passive word detector
• They have a solution for Windows and Mac users

Limitations of Hemingway 

• Features are limited
• No plagiarism checker

4. Ginger Software

Ginger software helps businesses drive productivity and effective communication. The software has been around since 2007 and was created by Yael Karov.

Ginger Software grammar checker is powered by artificial intelligence (AI) and provides corrections for your work in real-time.

Users can access all suggestions and corrections for grammatical errors such as writing styles, sentence structure, and punctuations. The software also flags spelling errors, misused words, subject-verb agreement, and more.

Features

Ginger Software reviews your work in real-time and points out grammar, spelling, and punctuation issues. The Sentence Rephraser and Word Prediction tool help users increase writing speed and enhance clarity. 

Ginger Software has a comprehensive dictionary with instant definitions, contextual synonyms, and more. With this tool, you can increase word variety, write with context and depth.

The tool offers a text reader that reads back text to users. Writers can listen to their piece to gain insight into the tone, sentence structure, and more.

Beyond the grammar tool, Ginger Software offers professional translation software for writers and businesses. The software translates text across 40 languages including

• French
• German
• Spanish
• English
• Japanese
• Italian and more

Gingers Software supports multiple platforms, including Microsoft Office, Chrome, Safari, Desktop, Android, and iOS devices.

Pricing 

Ginger Software has three pricing categories. They include:

• Free- $0 per month
• Monthly – $29.96 per month

Pricing for this tool may change from time to time. Ginger Software offered a 60 percent discount on all plans. Please visit the pricing page for updated information.

What Users Love About Ginger Software

• The software is user-friendly and fool-proof
• They have an extensive knowledge base.
• The grammar checker highlights errors and provides suggestions.
• Ginger Software supports multiple devices, including desktop and mobile.
• The software offers language translation across 40 languages.
• Ginger Software has a live prediction and sentence rephrasing tool.
• The software has a text reader and personal trainer.

Limitations of Ginger Software

• No plagiarism tool
• Ginger software is not compatible with Google Docs
• Pricing is high when compared to similar tools

5. Slick Write

If you are looking for a grammar checker that helps you increase your depth, Slick Write fits perfectly. The tool allows students and researchers to write faster and better.

So whether you’re posting status updates, writing prose, sending emails, or writing for business purposes, Slick Write is your go-to tool for error-free writing.

Features

Slick Write scans through your work to identify spelling, grammar, and punctuation errors. The software analyzes your structural flow, word and sentence length flow, and provides suggestions to improve text outcomes

With this tool, managers can edit their work in real-time and save them on their computer for further review. The software offers multiple customization options. Users can seamlessly increase fonts and enable other features.

The software offers critical insights into text and document statistics such as

• Average word length
• Number of words
• Estimated reading time
• Adverbs and pronouns
• Prepositional phrase index
• Automated readability index
• Passive voice index
• Vocabulary variety
• Uncommon words 
• Function words

Pricing 

The software is free. Albeit, Slick Write accepts tips and donations from users.

What Users Love About Slick Write

• The software is free and easy to use
• Slick Write checks your grammar, punctuations, and spelling and offers suggestions
• The software offers statistics and deep insight into your work

Limitations of Slick Write

• They do not have a plagiarism feature
• No mobile or desktop app

6. PaperRater

PaperRater offers an integrated and free online grammar checker, writing, and proofreading solution. This software helps users identify spelling, punctuation, and grammar errors in their manuscript and correct them quickly. With this tool, businesses can produce excellent correspondence and drive collaboration across teams.

You don’t need to download the tool. PaperRater offers a plagiarism checker for

• Researchers
• Writers and authors
• Educational institutions
• Professionals
• Large enterprises

Features

This software scans through your work while you write and identifies errors such as

• Misused words
• Sentence structure issues
• Punctuations errors 
• Spelling issues

PaperRater provides corrections and suggestions to improve your work. Just copy your writeup, place it on the editor, and the tool will analyze your manuscript immediately. The software offers critical insight and statistics about word choice, grammar, spelling, etc.

The software has text analysis and proofreading modules to help users write better. Some of the modules include

• Analysis of sentence beginnings
• Phrases to avoid
• Passive voice detection
• Sentence length and variability
• Readability statistics
• Vocabulary usage

PaperRater offers a plagiarism detector that helps users detect plagiarized content.

Pricing 

PaperRater’s pricing plans include

• Free – $0
• Premium – $14.95 per month

Kindly note that the pricing for this software may change over time. Please visit the pricing page for updated information.

What Users Love About PaperRater

• PaperRater is easy to use and easily accessible
• The software is feature-rich and supports multiple text analysis modules
• PaperRater has a free plan
• PaperRater offers a plagiarism detector
• Writing teams can access statistics about grammar, word count, word choice, and more

Limitations of PaperRater

• The software is not mobile-friendly
• Limited integrations with third-party tool and applications like Microsoft Office or Google Docs

7. LanguageTool

LanguageTool is a free grammar spell and style checker for businesses and authors. The software allows writers to communicate their ideas in the best way. LanguageTool checks your writing in over 20 free languages including

• English
• Portuguese
• German
• French
• Dutch
• Italian
• Polish and more

Features

When you enter your text into their online editor, LanguageTool checks your work for

• Spelling errors
• Grammar errors 
• Sentence structure issues

LanguageTool utilizes thousands of patterns to find errors in German, English, and French. Plus, the tool detects wrong gender salutation in German. The software uses added word pairs to detect typos for German, English, and French statistically.

LanguageTool detects over 2500 errors in English, French, German, and Dutch. The software also detects incorrect checksums in IBAN and ISBNs.

LanguageTool offers API access and is available as an on-premise solution. Writers can check the selected texts on various websites or in text fields.

LanguageTool offers an add-on for LibreOffice and Microsoft Word and works on Word Online, Windows, and Mac devices.

The tool works on multiple browsers including Firefox and Chrome.

Pricing 

LanguageTool’s pricing includes

• Free – $0
• Premium – $19 per month
• Developer API – Pricing includes
  • 250 API calls daily – $29 per month
  • 5o0 API calls daily – $39 per month
  • 1000 API calls daily – $59 per month
  • 2500 API calls daily – $99 per month
  • For more API calls – Contact support

Pricing for this tool may change from time to time. Kindly visit the website for more information.

What Users Love About LanguageTool

• The tool is easy to use
• LanguageTool has a free plan
• They support multiple browsers and add-ons
• Supports various languages like Italian, Japanese, English, German, and more
• LanguageTool supports integrations with numerous tools including Microsoft Office, Google Docs, and more
• The software checks grammatical and spelling errors and provides suggestions
• LanguageTool has an API for open-source integrations and development purposes

Limitations of LanguageTool

• Does not include punctuation checks
• The tool is not mobile-friendly
• No plagiarism checker

8. Linguix

Linguix is an online writing and proofreading tool for businesses, professionals, and authors. The software helps users deliver crystal-clear and error-free writing. Furthermore, it spots errors and provides suggestions to help writers correct them.

Linguix utilizes artificial intelligence to improve writing and readability. More so, the tool offers more than 700 extensive checks and over 3000 AI-based corrections. So whether you are writing for educational, business, and professional purposes, Linguix is your go-to tool.

Features

Linguix has a reliable grammar checker that goes beyond basic grammar checks. The software offers an advanced AI-based writing assistant to help users identify grammar, spelling, and punctuation issues. Linguix applies more than 2,000 context-based rules and 17,700 patterns to help managers deliver flawless and stylish conversations and articles.

Whether you have a chit-chat on a dating app, writing a school essay, or business email, you can adapt their suggestions to create flawless web content. For example, the tool provides ideas like adding images or adjusting sentence length.

Beyond correcting your mistakes, Linguix tracks your writing performance. The software offers key performance reports or statistics including

• Top mistakes
• Text structure and volume
• Vocabulary size

Managers can use reports and statistics to review performance and identify areas for improvement. Linguix Educational and Business plans help users access additional grammar checks tailored to meet their needs. The tool implements your fix in real-time and improves your language skills, whether you are a native speaker or not.

Business teams, schools, and writing groups can use the group work feature for reviews. Team leads or teachers can view the mistakes and track every team member’s writing progress over time.

Linguix offers an extensive database of writing and content templates ranging from press releases to essays to business documents. Users can harness over 20 templates to speed up their work and produce great content.

Pricing 

Linguix’s pricing plan include:

• Free – $0 per month
• Premium – $18.95 per month

Pricing for this software may change from time to time. Please visit the pricing page for the current pricing information.

What Users Love About Linguix

• Linguix is feature-rich and easy to use
• The grammar checking tool scans your work in real-time and provides accurate suggestions
• Extensive resource base
• Users can harness templates to speed up their content delivery process
• Linguix offers a group work feature for schools, universities, and business teams
• They provide a live chat support

Limitations of Linguix

• Basic user interface
• The tool is expensive

9. GradeProof

GradeProof is a free grammar checking tool that helps authors write with confidence. With this tool, managers can make their messages sound professional and better. The GradeProof grammar checker tool allows writers to identify and eliminate errors in their writing.

The software is easily accessible on the web via Chrome, Google Docs, Microsoft Word, and iOS devices.

Features

GradeProof features a complete suite of grammar checking and proofreading tools to enhance your writing. Some of these features include

• Grammar error detections
• Eloquence Engine phrasing and improvements
• Plagiarism Checks

With the intelligent suggestions from this tool, authors can refine their writing, The tool offers intuitive grammar, spelling, and rephrasing ideas to increase sentence variety.

GradeProof helps users track critical statistics about their writing, such as word count, readability, and grade level. Whether you are writing for business or academia, you can customize the tool to meet your needs. The software allows customers to customize their dictionary, configure writing and reading speeds, and more.

With the AI-powered Eloquence Engine, you can improve your efficiency, fluency, and clarity. The tool offers a plagiarism check feature to help writers ensure content originality and integrity. GradeProof scans previously published content and articles for similarities and alerts you.

Pricing 

GradeProof has two pricing plans.

• Free – $0 per month
• Pro – starts from $10 per month

What Users Love About GradeProof

• GradeProof is free
• They offer grammar, spelling, and rephrasing ideas
• GradeProof supports integrations with multiple platforms
• The plagiarism checker helps users ensure content originality

Limitations of GradeProof

• The free plan has limited features
• Professional plan is expensive

10. Scribens

Scribens is a powerful online English grammar checking software for authors and businesses. The software corrects more than 250 spelling and grammar mistakes including

• Punctuations
• Homonyms
• Typography
• Nouns and pronouns
• Prepositions
• Verbs and more

The software provides corrections and explanations to help users hone their writing skills.

Features

Scribens offers useful styling, writing, and proofreading tools for students and professionals. It detects stylistic issues such as redundancies, run-on sentences, repetitions, and more.

Scribens suggests synonyms and alternative words to help writers increase depth. Beyond synonyms, the tool offers definitions and conjugations, dictionary, and thesaurus. Users can access text statistics, including readability indicator, paragraph, word and sentence counts, etc.

Scribens utilizes an advanced syntax recognition algorithm to detect errors in your text. With its advanced correction software, you can improve the quality of your writing significantly. The software provides corrections while you write on

• Hotmail
• Gmail
• Yahoo
• Twitter
• Facebook
• LinkedIn
• Forums and blogs, etc.

Scribens supports integration with multiple third-party tools, including Microsoft Word, Excel, Outlook, PowerPoint, OpenOffice, and LibreOffice. Plus, Scribens has an API that allows users to add the solution to their website seamlessly.

Pricing 

Scribens is free.

What Users Love About Scribens

• The software is free
• Simple and user-friendly interface
• The software corrects more than 250 spelling and grammar errors
• Scribens offers detailed text statistics
• Scribens supports integration with multiple third-party software

Limitations of Scribens

• No plagiarism checking feature

Wrap Up: What’s The Ten Best Free Grammar Checker Online

We have reviewed the ten best free grammar checking tools for proofreading your work online and Grammarly stands out as our overall winner.

Grammarly offers a complete and feature-rich proofreading solution to help writers avoid common mistakes. The tool checks your work for misused words, incorrect punctuations, grammatical, and spelling errors.

Grammarly goes beyond providing corrections to improving your writing skills over time. With the tone detector, you can drive active conversations across the organization, create rich and compelling content, and drive engagement.

The software offers sophisticated plagiarism checking feature to help users ensure content, originality, and depth. Whether you are a native speaker or not, Grammarly is your go-to tool for delivering flawless writing.

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