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AI writing assistant

AIGrammarChecker

Free grammar and spelling check

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Tags Free AI tools AI writing Text rewriter

What AIGrammarChecker is

AIGrammarChecker is a free online grammar checking tool. It identifies subject-verb agreement, tense, article and word-choice issues, punctuation errors and awkward structure, shows original versus revised text with explanations, and supports paste or file input with download of results.

What you can do with it

Check a draft before submission
Fix recurring grammar mistakes
Learn why a change is suggested
Export the corrected text

Who it is for

Students checking papers
Professionals polishing email
Non-native English writers

What to watch out for

Accept suggestions one by one; blanket replacement can introduce errors
Correct grammar does not mean correct facts, tone or argument
Brand names, terminology and personal names deserve special checks
Formal and legal texts still need human editing

Pros & cons

✓ What we like

Free with explanations
Covers grammar through structure
File support

! What to watch out for

Suggestions need review
No fact or tone judgement
Vendor metrics unverified

FAQ

Is it free?

Yes. The site presents itself as a free AI grammar checker.

Does it only check spelling?

No. Grammar, punctuation, contextual word choice and structure are covered.

Is it good for non-native writers?

Yes, with explanations in multiple languages to understand the changes.

Last reviewed: 2026-09-18

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