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5 free Grammar Checkers for Bloggers and Writers

grammmarI’ve been surfing the internet to locate more free tools for bloggers and writers. Editing your writing can be difficult for professional writers, and it can be twice as hard for those whom English is a second language.

Granted that relying on the spelling and grammar checking programs included with most word processing programs is not the best choice, as automated spelling or grammar checkers are not as accurate as proofreading performed by a human they are becoming better tools.

This post contains brief descriptions of free grammar checkers you can use online to detect and correct errors in your draft posts, prior to publication.

1. After the Deadline – an invention

After the Deadline is an intelligent proofreader that checks spelling, misused words, style, and grammar. Besides English Language, it is available in Portuguese, Spanish, German and French languages.

If you have a blog you can activate After the Deadline by following the proofreading instructions provided in support documentation.

After the Deadline is also available as a Firefox add-on and a Google Chrome extension so you can use it wherever you go.

After The Deadline: A Great Spelling and Grammar Checker for Chrome and Firefox

2. allows  you copy and paste text into a free online tool to quickly identify spelling and grammar errors. An online thesaurus is also available for your convenience.


SpellCheckPlus is a free grammar checker that finds common spelling errors and grammatical mistakes in English. Simply type (or paste) your text into the window and hit the “check text” button.  SpellCheckPlus  features:

  • It is free;
  • It catches thousands of commonly confused words that other spellcheckers ignore;
  • It is available online and therefore accessible from any computer (and not just in the computer lab!);
  • It follows a pedagogical approach that encourages learning;
  • It updates automatically;
  • It is extremely easy to use;
  • It won’t overwhelm you with messages about sentences that are perfectly correct!
  • It targets a number of errors made by second language learners of English.

4. Paper Rater: Free Online Grammar Checker

  • Grammar & Spelling Check
  • Free Online Proofreading
  • No Downloads
  • 100% FREE
  • It’s simple – just copy and paste your paper in the box and click
  • View detailed stats about word choice, grammar, spelling, and more
  • Your paper will be analyzed immediately in real-time

5. uses an advanced, web-based grammar checking engine to power its free online spelling and grammar software. You can use this free online service as often as you would like for both personal and business purposes.

6. Free Online Spell Checker

This advanced spell checker has built-in innovative spell check technology, which is able to detect and correct spelling errors with one simple mouse click. The technology behind this online tool not only detects spelling mistakes, but also run-on sentences, dangling modifiers, misplaced commas, and embarrassing typos.


I’ve been using After the Deadline as a Firefox add-on for a couple of years now and do recommend it.  I’m wondering if my readers use grammar checkers and if so, I wondering which ones you use.

Related post:
Tips for Organized Blogging
Top 5 Informative Writing Tips for Bloggers

36 thoughts on “5 free Grammar Checkers for Bloggers and Writers

  1. Great suggestions here that continue to offer good value long after you wrote this post. Many thanks!

  2. I am going to try all of these. Word’s grammar checker just doesn’t cut it. Plus, I’d like an upgrade to share with my older students. Thanks, as usual, TT

    • Hi Jackie,
      I like After the Deadline. Give them all a try and settle on the ones you like best. I’m currently trying out and will be reviewing Grammarly Lite – Smart Spellchecker a Firefox add-on.

    • I’d love to see you do a post on how you respond when people get stuck on grammar and lose site of content….or perhaps you have and I just haven’t seen it?

      • Hi there,
        I haven’t seen that happen on any blogs I follow. I am a person who has suffered a traumatic brain injury. I became visually challenged and now exhibit dyslexia well as spelling and grammar errors that did not manifest in the past. I was previously a perfectionist but now I’m in recovery and what I experience re: my errors online is the kindness of others.

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  4. Cool post. Thanks for the like on My Holistic Table as well as the tip on indentations under the preformatted setting. Following it did whack out the spacing between stanzas in Rain Story but – I’d held breath – served me wonderfully in the last poem. Cheerleading your way.

  5. thank you for the tips, as you know i do bilingual posts and errors can occur, even though i try not to. my second language is english

    • You are most welcome. I sincerely wish I had a second language and am impressed with others who have more than one. All my best to you.

    • Hi Judy,
      Are you ever fortunate to have an editor on site. Human editors are superior to automated ones but these are all good alternatives when a friend (or partner) isn’t available.

  6. You might consider trying the academics-oriented. It’s an open-source site that checks for passive voice, sentence variety, run-on sentences, wordiness, and of course, grammar. It highlights all mistakes found. It allows you to edit documents online and then save the new version.

  7. Your post is godsend, I have been looking for something to help me with my grammar. Got supportive help from the forum but this is huge! Thanks TT :)

    • Thank you. Grammar checkers aren’t as good as human grammar checkers but they can be useful tools. wordwatchtowers – This blog is for anyone out there who wants to learn more about grammar, spelling and punctuation but would rather saw off their own kneecap with a rusty bread knife than read a book on the subject.

    • It’s not required but it would be very kind of you to include a credit link at the bottom of your translation page to my blog. I appreciate the fact you asked. Best wishes with your blog. :)

  8. I rarely use a spell checker and won’t use a grammar checker as my grammar is ‘creative’ (to use a creative way to describe it!), but it’s good to know that there are some good ones out there. I’m a bit dyslexic and have various memory and processing problems from a drug I was prescribed years ago (that I’m no longer on) and I read and re-read my posts over and over before I publish them, though some errors and typos usually still get through.

    My two major gripes about grammar and spell checkers is that they are usually not conducive to British English usage and they aren’t great on context.

    • Hi Val,
      I’m also dyslexic and since the head injury I have two other processing issues as well. I see errors that have slipped by me even after editing more than once, so I can empathize with you. Grammar checkers aren’t human and that does make a big difference when it comes to context. Originally, I was a stickler for Canadian ie. British spellings and usage when I came online, but after a short while I abandoned that in favor of American English. All my contracted work is British (Canadian) usage and spelling.

      • You might need some help with your first sentence:
        I’m also dyslexic since the head injury and I had two ther processing issues too.
        1- Not sure if we have any idea of THE head injury
        2- and I had two THER processing issues too.
        This is humorous but since the subject matter here is grammar and spelling checker, I don’t want to attribute to inadvertent error what might be described as something else.

  9. I love your blog. It is incredibly brilliant. Thank you for the translation page, I am still working out the kinks. I now need to read through for more cool stuff. I am in awe. Awesome blog.

  10. I use, but it is a pay service. I find them pretty good, but one thing they and most other grammar checkers lack is accounting for style preferences.

    There are times I want sentences to read a particular way to convey a mood or to impart an intent beyond that expressed by the words.

    Not as drastic in my structure, but the way Yoda-speak a good example makes.

    Many checkers have switches for “creative” writing, but they are usually not as creative as I would like.

    Anyway, I will check these out. Thanks.

    • Hi there,
      I hear you when it comes to style preferences. Grammar checkers are not, after all, human. Thanks for sharing what you use and your experience with it too. :)

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