Style & Syntax Checker

Free AI Grammar Checker

Fix grammar errors, spelling mistakes, and improve writing style instantly with GPTINF's free AI Grammar Checker. Unlimited checks, no signup needed.

Writing Desk

0 words

Underlines spelling (red) and grammar (blue).

Start scanning your text to discover vocabulary enhancements, punctuation fixes, and formatting revisions.

Frequently Asked Questions

Find answers to the most common questions about our AI humanization and checking suite.

Can't find what you're looking for? Reach out to our dedicated support team.

Rewrite Playground

Fine-tune your target vocabulary, sentence cadence, and style profiles to match your specific writing context.

Stealth Mode (Bypass Strength)High Stealth

Readability Level (Complexity)Undergrad

96%

Lexical Density

78%

Syntactic Flow

82%

Human Rhythm