Certaffy

Feature · Pro / Business

Fix grammar without leaving the review flow

Underline spelling and grammar issues, apply fixes inline, and keep checks beside your detection report.

How it works

1

Paste your draft

Grammar and spelling checks run on pasted text in the analyze workspace.

2

Review suggestions

LanguageTool underlines issues with plain-language hints.

3

Apply fixes

Accept corrections inline before you submit or export.

FAQ

No. LanguageTool suggests grammar and spelling fixes you choose to apply — not AI rewriting.

Try it on your own writing

Start free — 3 full highlighted reports, then 1 score-only scan/day up to 800 words. No credit card required.

Start free — no credit card required

Free account: 3 full highlighted reports, then 1 score-only scan/day up to 800 words. No account: 3 score summaries/day up to 2,000 words.