Free tool
The AI Slop Checker
Paste any draft. It highlights the patterns that make writing read like a machine and gives you the fix for each. It is a writing self-check, not an AI detector, and no result is proof. It runs entirely in your browser; nothing is uploaded.
Your draft0 words
Report
Ready when you are.
Paste a draft and hit Scan, or load the sample to see it work.
A heuristic guide based on the Encyclopedia of AI Writing Tells. It flags patterns and teaches the fix. It is not proof of authorship, and no detector is.
This checks 20-plus tells. The book covers 70-plus.
The full encyclopedia has every tell, every fix, the 2026 model fingerprints, and a references section with links.