Grammar Checker

Fix grammar, clarity, and style with confidence

500 word input limit
0 words - 0 characters
Word limit0/500 words
Build human intelligence with AI intelligence. Log in to unlock longer drafts, all tone controls, saved history, and more personalized coaching.

By using rewrito, you agree to our Terms of Use and Privacy Policy.

Your corrected draft, grammar report, and writing coach notes will appear here.

Grammar Checker - correct writing without losing your voice.

Paste a draft and get a corrected version, a grammar report, and short coaching notes that help you write better next time.

What the Grammar Checker does

  • Fixes grammar, punctuation, spelling, agreement, tense, and sentence fragments.
  • Improves clarity and flow while preserving your meaning.
  • Shows a grammar report so changes are easy to trust.
  • Flags ambiguous wording instead of inventing meaning.
  • Keeps professional, academic, email, and everyday writing readable.
  • Adds coaching notes so users learn the pattern behind each improvement.
Grammar Checker guide

A focused workspace for clearer, more useful output.

rewrito combines AI intelligence with practical review habits, so every session helps you improve the result and understand why it improved.

Built for the job

Use it when you need a grammar checker that fixes mistakes, improves clarity, preserves your meaning, and explains the main writing patterns.

Built for learning

The output is paired with structure, scores, or coaching so users build human judgment instead of only receiving a finished answer.

Who this is for

Built for people who need this specific workflow.

Each rewrito tool is focused around a real job, so the output is easier to review, reuse, and learn from.

Students

Clean up assignments, notes, and essays while learning recurring grammar patterns.

Professionals

Make reports, client emails, and internal updates clearer before sending.

Job seekers

Polish cover notes, outreach, and profile copy with more confidence.

Creators

Proofread posts, newsletters, and scripts without making them sound generic.

Teams

Give shared documents and updates a consistent, readable final pass.

Frequently asked

Does the grammar checker rewrite everything?

No. It fixes grammar, punctuation, clarity, and flow while preserving your voice and original meaning.

Will it explain what changed?

Yes. The output includes a grammar report and short writing coach notes so you can understand the main improvements.

Can I use it for professional emails?

Yes. It works for emails, reports, essays, posts, and everyday writing where correctness and clarity matter.

Is this different from the AI Humanizer?

Yes. The Grammar Checker focuses on correctness and clarity. The AI Humanizer focuses on making AI-generated writing sound more natural and human.

Explore the other tools

One toolkit for the writing that matters.

See all tools