Free AI writing tool · no sign-up
Free AI Grammar Checker
Paste your text and the AI will correct grammar, spelling, and punctuation — without changing your meaning or voice. Clean copy, in one click.
Why clean writing matters
Typos and grammar slips quietly erode trust — and on the web, trust is what converts. Clean, clear copy is also easier for readers and AI engines to parse, which supports engagement and rankings. A quick proofread is one of the cheapest quality wins there is.
Beyond grammar
Grammar is the floor, not the ceiling. For content that ranks, pair clean writing with the right structure, keywords, and depth — exactly what the rest of these free tools (and Writelio) help you do.
Frequently asked questions
Does it change my writing style?
No. It fixes grammar, spelling, and punctuation while preserving your meaning and voice. It will not rewrite or paraphrase unless you use the Article Rewriter.
How accurate is it?
It catches the large majority of common errors. For high-stakes copy, give it a final human read as well.
Is my text private?
Your text is sent to the AI only to perform the correction and is not stored or used for training.
Is it free?
Yes — free, no sign-up, fair hourly limit.