Last Updated on February 8, 2025 by Kundan Sharma

There are lots of free and paid grammar checking tools in the market. In this article, I am going to share with you the 16 best online grammar and punctuation checker tools (most of them are free) that help you to write error-free.
1. Grammarly

I think Grammarly is the best tool for bloggers to write mistake-free, it also fixed sentence and punctuation mistakes like comma, splice, apostrophe and etc.
2. Trinka
Trinka is one of the best grammar and language correction tools.
It’s made for academic, business and technical writing helps to find default errors that other tools don’t.
Trinka corrects over 3000+ complex grammar errors includes subject-verb, pronoun, article usage, technical spelling, and more.
It goes far beyond a basic grammar tool to collect complex language errors in elements such as sentence structure and word choice.
Trinka works in real-time to understand each word type in the context of writing and subject.
Indeed, it helps in improving the writing skill of content writers and bloggers.
Thrinka has a free Basic plan that gets you access to all features, but the basic plan comes with imitations such as you can write up to 10,000 words per month.
On other hand, Thrinka Premium plan costs you $6.67/month, when you billed annually. The plan includes everything in Basic, unlimited monthly usages, and 5 credit for auto file edit & publication reading checks per month.
When we compared the pricing of Thrinka with a popular tool like Grammarly. It’s very affordable you can get this tool for a year at just $80.
If you looking for a writing tool or academic, technical, or business writing then Trinka is best suits you.
3. ProWritingAid

4. WhiteSmoke

5. Ginger Grammar Checker

6. After The Deadline

7. Hemingway

8. Online Correction

9. PaperRater

10. GrammarChecker.net
GrammarChecker.net is a free premium simple grammar checker tool that allows you to check any grammatical errors in your written content.
To use this tool first write out the text in a word processing program like Google docs, Microsoft word and etc. Then, edit your written content according to your needs.
After doing this, go to the GrammarChecker.net tool and put the content in the box then click on the “Free Check” button.
It will show you grammar suggestions, style suggestions, and spelling errors in your content. You can also correct errors by clicking on the text.
When you are done, this tool automatically gives a check for grammar usage and gives a final verdict.
There’s one other way you can check grammatical errors, Deep Check works the same as the free check. The only difference is deep check is more capable to identify the difficult mistakes.
11. LanguageTool
LanguageTool is also another best free premium grammar, style, and spell checker tool. It checks more than 20 languages including English, French, Spanish, German, Russian, and more.
It is specially designed for insistently check spell and grammar mistakes in the text. Using this tool you can easily identify grammatical mistakes that a simple spell checker can not detect.
It gives more control and confidence to non-native speakers over their content. If you are looking for a very simple and powerful free grammar and spell checker tool then you must check out the language tool.
12. SpellCheckPlus Pro
SpellCheckPlus Pro is an online grammar checker. The basic version is free that you can use by pasting your written content.
It comes with a pro version that offers the same additional features at just $14.99 Canadian dollars. The pro version gets you a full-screen editor, resizing, and customize the editing process according to your needs.
You can also achieve content that you have corrected earlier. There is a drawback to this tool. It’s not come with a chrome extension. you will need to visit its website to check your text.
13. DupliChecker
It’s a free plagiarism checker tool that is mostly used to find duplicate content that also offers additional tools like Grammar Checker and Word Counter.
You can search up to 1000 words in their text editor. The best thing is you can import your content file such as txt, doc, PDF and etc.
There’s one feature I like the most you can check plagiarism via website URL. You just need to put the URL of a site the one which you want to check. The cool thing it’s free you don’t have to pay any subscription fee.
14. Scribens
Scribens is an online grammar checker tool that is available for free. It checks the grammar of your texts and finds spelling mistakes.
You don’t need to copy and paste your original text into this tool. You can correct your text on platforms like Gmail, Hotmail, Yahoo, Facebook, Blogs, and Twitter, etc.
Scribens seamless integration with PowerPoint, Microsoft, Outlook, Excel and etc. In 2019 over 5 million people visited Scribens and over 200,000 propels regularly use it to correct grammar.
15. Grade Proof
GradeProof is a powerful intelligent algorithm that corrects and improves your writing. It analyses your work for grammatical issues to help you to avoid common grammar and spell mistakes.
GradeProof is a very powerful tool like Grammarly and also works similarly. It has also a chrome extension that lets you improve your writing everywhere. There are some useful features of grade proof-editor like spell checker, grammar checker, word count, targeting, rephrasing analysis, plagiarism checker, and many more.
It’s one of the best alternatives of Grammarly, you can use grade proof for free. There’s also a paid version available that offers some extra features.
If you find this tool helpful then you should go with the premium version for some extra features.
16. SentenceChecker.org
SentenceChecker is a simple sentence and grammar checker tool that helps you to make sure that all of your punctuation, words, syntax, structure, and formatting are correct.
Sentence editor is one of the toughest parts, this tool allows you to improve your sentence structure. You only need to paste your paper into the sentence correction checker tool and you will get with the changes made.