Grammar Checker

Grammar Checker for AI-assisted drafts

Clean grammar, awkward phrasing, and robotic rhythm in one final pass

99.8% accuracy
130,000+ writing samples
Benchmarked against leading AI detectors

Used by writers from 3,500+ leading universities and institutions

Harvard
MIT
Oxford
Stanford
Yale
Princeton
Not just commas

Fix the grammar and the AI aftertaste

Generic grammar tools catch errors. ClearScript also catches phrasing that feels too polished, too repetitive, or too obviously machine-shaped

BeforeRobotic flow

The report is aiming to explain that the bridge was checked after the incident — and that bus replacement was put in place until trains were able to run again.

AfterCleaner

The report explains that the bridge was checked after the incident and that buses replaced trains until services started running again.

Common fixes
GrammarClarityPassive voiceAI rhythm

How it works

Paste, fix, publish

Step 1

Paste your text

Drop in any writing. Essays, emails, reports, landing pages, or client-facing drafts

Step 2

We check everything

Grammar, spelling, punctuation, flow, style, tone, and over-polished AI rhythm. Each issue is highlighted inline

Step 3

Apply fixes

Click to fix individual issues or accept all suggestions at once. Copy your clean text

Why ClearScript?

Instant corrections

Grammar, spelling, punctuation, and style, all checked in seconds. Click to apply fixes inline

Instant

Tone aware

Tuned for essays, reports, emails, and client-facing drafts. Catches awkward phrasing, passive voice overuse, and weak transitions

Academic

One-click fix all

Review each suggestion or accept them all at once. Your text stays yours. We just clean it up

Simple
Excellent

People come for the score, then stay for the rewrite

See the risky lines, fix the rhythm, leave with a cleaner draft

4.8/5 from writers and educatorsSentence-level proofFinal-pass workflow
Draft checked

the sentence breakdown is the only bit i really needed, shows me exactly what sounds off

@maya_s
Draft checked

My editor stopped asking why every paragraph felt so polished

@jakeT
Draft checked

used to rewrite for ages. now i fix the weird lines and move on

Carlos M
Draft checked

ran my lecture notes through it and yep, some of my own writing looked too AI

Prof Chen
Draft checked

the trial paid for itself on day one, not even exaggerating

@priya_k
Draft checked

i teach 200+ students, the sentence evidence is way more useful than a random score

Dr Park

One plan. The whole final pass.

Detection, humanizing, rewriting, and grammar. No tool maze.

Most popular
Monthly Plan
$39.98/mo$19.99per month
  • Unlimited detection
  • 30,000 words/mo
  • All tools included

30-day money-back guarantee

7-day Access
$4.99for 7 daysthen 29.99/mo
  • Unlimited detection
  • 30,000 words/mo
  • All tools included

30-day money-back guarantee

Best value
Save 50%
Annual Plan
$19.99/mo$9.99per month($119.88/year)
  • Unlimited detection
  • 30,000 words/mo
  • All tools included

30-day money-back guarantee

4.5 by students and educators

Easy plan cancellation

By continuing, you agree that if you don't cancel at least 24 hours before the end of the 7-day introductory period, you will be charged 29.99/month until you cancel in the settings or by contacting hey@clearscript.ai.

Questions about the grammar checker