MyDetector
Free
Paste text or upload a document for a quick, probability-style AI-writing check.
Text & Writing
Text & Writing Checked Oct 6, 2026
GPTZero
Checks whether a piece of text was written by AI.
Best for: Teachers, students, editors and recruiters who need to check text for AI writing.
Access
Free tier
Useful?
What you can do with it
- Check an essay for AI-generated text
- See which sentences look AI-written
- Scan a batch of files at once
- Run a plagiarism check
- Show writing history with authorship replay
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