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AI Grammar Checker

Fix grammar, spelling, punctuation, and clarity instantly with AI-powered suggestions.

AI Grammar and Style Checker

Document
0 words • 0 characters • 0 paragraphs • Reading time ~1 min
v2.1.0 No signup • Private
Performance

Overall Score / 100

Start typing or paste text to see your score.

Tone

Readability

Issues

AI Check

About This Tool

Most free grammar tools stop at spelling and then ask you to sign up. This AI checker reads your text like a strict but kind editor across seven categories at once — spelling, grammar, punctuation, clarity, word choice, tone, and engagement.

Every mistake gets a color-coded underline. Click it and you get the fix, two alternative phrasings, and a short explanation of why it was wrong — then you choose Apply or Ignore.

On top of that, you get a live report card: an Overall Score out of 100 that climbs as you fix things, a Read Level Meter, a Tone Detector, an AI Check, and one Final Suggestion for your whole text.

Free, no signup, works right in your browser.

How to Use

  1. 1Paste or type your text into the editor — the live word counter shows your progress
  2. 2Stop typing and the AI automatically starts analyzing (watch for "Analyzing text...")
  3. 3Mistakes appear as color-coded underlines: red = spelling, orange = grammar, yellow = punctuation, blue = clarity, purple = word choice, pink = tone
  4. 4Click any underline to open a card showing the original, the fix, alternatives, and a simple explanation
  5. 5Press "Apply Fix" to correct instantly, or tap an alternative, or hit "Ignore" if you meant it
  6. 6Watch the Performance panel — your Overall Score climbs as issues disappear
  7. 7Check the Read Level Meter to match your writing to your audience before sending
  8. 8Read the Final Suggestion for one big-picture editor's tip about your whole text
  9. 9Use the All Issues list to jump straight to any remaining problem

Frequently Asked Questions

Yes — every feature including the color-coded fixes, alternatives, explanations, and the full performance report card is free. No signup, no account, no credit card.

There is no account system, so nothing is ever saved under your name. Your text is analyzed to generate suggestions — that is how checking works — but nothing is kept as "yours."

Red is spelling, orange is grammar, yellow is punctuation, blue is clarity, purple is word choice, and pink is tone or engagement. The color tells you the problem type before you even click.

The core idea is similar, but this tool is completely free with no account required — and it includes extras like the reading level meter, tone detector, and AI check that many paid tools lock away.

Yes — paste your text and it analyzes what you give it. For very long documents, checking section by section gives faster results and cleaner suggestions.

No — and that's on purpose. You review each suggestion and choose Apply, an alternative, or Ignore. You stay the writer; the AI stays the assistant.

Yes — the editor stacks on top of the performance panel on small screens, so you can check writing from anywhere.

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