FreePaste text or upload a document for a quick, probability-style AI-writing check.
Text & Writing
All tools
View more Free 
Free tier
Access
Free tier
0
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.
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
Keep exploring
Similar tools
FreePaste English text and get a preliminary AI-writing signal, then investigate the context instead of treating the score as proof.
Text & Writing
Free tierFree academic writing tools: AI detector, paraphraser and grammar checker for students.
Text & Writing