Grammar Checker
Fix grammar, spelling, punctuation, and clarity - meaning intact
Results
Fix grammar with confidence
Paste text to catch grammar, spelling, punctuation, and clarity issues while keeping your meaning intact.
Free Grammar Checker
The free grammar checker that shows you why
Catch grammar, spelling, punctuation, and clarity issues - in seconds, in your browser, with the reason for every fix.
No signup to try
See what changed
Keeps your meaning
Browser extension
Check grammar right where you write
Add the Word Spinner extension and fix grammar the moment you type - inside Gmail, Google Docs, LinkedIn, and any text box, without copy-paste.
Correction count
See how clean your text really is
Run your draft through the checker to get a clear count of grammar, spelling, and punctuation issues before you send, submit, or publish.
Correction cards
A checker that shows the reason
Word Spinner fixes the error and explains why, so you learn as you correct - it makes minimal changes and never rewrites whole paragraphs.
Multilingual
Check grammar in 30+ languages
From English and Dutch to Spanish, French, and German, catch errors and write with confidence in the language you need.
Responsible AI
Corrections you can trust
Word Spinner makes the minimal necessary fixes and shows the reason for each one. It won’t add facts, change your numbers or quotes, or pass off others’ work as your own. Always follow your school or workplace policies on AI use.
How to check grammar in 3 steps
Paste or upload text
Drop in an email, essay, report, or any draft you want to polish.
Run the check
Word Spinner finds grammar, spelling, punctuation, and clarity issues in seconds.
Apply the fixes
Accept suggestions one by one or apply all, then copy or download.
| Word Spinner | Basic correction tools |
| Fixes errors, keeps your meaning | Rewrites and can change what you said |
| Clear cards with the reason for each fix | One corrected block, no explanation |
| Grammar, spelling, punctuation, clarity split | One vague “improved” output |
| Apply fixes one by one or all at once | All-or-nothing replacement |
| Works inside your browser | Copy-paste only |
How can the Grammar Checker help you?
Students
Hand in essays and assignments that are clean, correct, and clearly your own.
Professionals
Send emails, reports, and proposals free of embarrassing mistakes.
Non-native writers
Write confidently in English with fixes you can actually learn from.
Why writers trust the Grammar Checker
I finally understand my mistakes
The reason on each card taught me more than any checker I’ve used.
Verified user
Clean emails, every time
I run every important message through it before I hit send.
Verified user
Keeps my voice
It fixes the errors without rewriting how I actually write.
Verified user
Browser extension
Fix grammar anywhere with the Word Spinner extension
Correct grammar, spelling, and punctuation without leaving the page - inside Gmail, Google Docs, LinkedIn, and any text box.
Also on Edge · Firefox · Safari
Check
Grammar Checker FAQs
Is the Grammar Checker free?
Yes. Sign up free for higher limits and saved history.
Does it fix spelling and punctuation?
Yes - it catches grammar, spelling, punctuation, and clarity issues, grouped so you know what each fix does.
Will it rewrite my text?
No. Grammar Checker makes minimal corrections and keeps your meaning intact. For tone or structure changes, use the Advanced Rewriter.
Which languages are supported?
English, Dutch, Spanish, French, German, Portuguese, and 25+ more.
Is there a browser extension?
Yes - fix grammar directly inside Gmail, Docs, LinkedIn, and more with the Word Spinner extension.
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