What does an AI proofreader do?

It performs the same job as a human proofreader's final pass: correcting grammar, spelling, punctuation, capitalization and consistency errors without rewriting your text. Unlike style-focused tools, a proofreader makes the smallest change that fixes each error.

AI proofreader vs grammar checker — what's the difference?

They overlap, but a proofreader is stricter about not touching style and adds document-level consistency checks (hyphenation, number style, serial commas, quotation marks). Use the grammar checker while drafting; use the proofreader as the last step before sending or publishing.

Is an AI proofreader good enough for academic writing?

For mechanics — grammar, punctuation, consistency — yes, and the Academic mode follows scholarly conventions. It doesn't replace a supervisor's feedback on argument or structure, and you should always verify field-specific terminology yourself.

Is this AI proofreader free?

Yes — free with no sign-up, up to 30,000 characters per pass, including the Track changes mode.

Free AI Proofreader

A final-pass proofread in seconds: grammar, spelling, punctuation, capitalization and consistency — everything a human proofreader checks before publication.

0 / 10.000 ký tự

Kết quả sẽ xuất hiện tại đây.

Why use this AI proofreader?

Final-pass discipline

A proofreader fixes errors without rewriting. Your phrasing and voice survive — only mistakes are corrected.

Consistency checks

Serial commas, hyphenation, capitalization, number style and quotation marks — kept consistent across the whole document.

Track changes mode

See every correction listed, so you know exactly what changed before you accept it.

Free, up to 30k characters

Proofread full articles and papers in one pass — no sign-up.

How to use the ai proofreader

Paste your finished draft
The proofreader works best on text that's already written and structured.
Choose a mode
Standard for most text, Academic for papers, Track changes to see every fix.
Click “Proofread”
Review the corrections and copy the clean, publication-ready text.

About this AI proofreader

Proofreading is the last line of defense before a text meets its reader — and the stage where tired eyes miss the most. This free AI proofreader does what a professional does on the final pass: it corrects every mechanical error (grammar, spelling, punctuation, capitalization, spacing) and enforces consistency in the details readers subconsciously notice, from serial commas to hyphenation.

What it deliberately doesn't do is rewrite you. Proofreading discipline means the smallest change that fixes the error, so your phrasing, rhythm and voice reach the reader intact. If you want deeper stylistic help, that's what the paragraph rewriter and sentence rewriter are for — before you proofread.

Use the Track changes mode to see every correction listed. It's the fastest way to catch the kind of mistakes that slip into final drafts: a duplicated word, an inconsistent capital, a comma that migrated during editing.

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Thêm công cụ viết miễn phí

Grammar Checker

Fix grammar, spelling and punctuation mistakes in seconds. Paste your text and get a corrected version instantly — no sign-up required.

Spell Checker

Fix every typo and misspelling — including the ones ordinary spell check misses, like their/there and affect/effect. Context-aware, instant, free.

Punctuation Checker

Fix commas, apostrophes, quotation marks, capitalization and every other punctuation slip in one click — without changing your words.