# AI Text Watermark Checker

> Paste text. See hidden characters. Strip them in the browser. Unofficial character-layer scanner.

Site: https://aitextwatermarkchecker.com

## Pages
- [AI watermark detector](https://aitextwatermarkchecker.com/): In-browser scanner for zero-width characters, unusual spaces, and homoglyphs. Does not score statistical watermarks.
- [ChatGPT watermark](https://aitextwatermarkchecker.com/chatgpt-watermark): Explains textGrain as word choice, then offers the same hidden-character scan.
- [ChatGPT watermark remover](https://aitextwatermarkchecker.com/chatgpt-watermark-remover): Free Strip for invisible Unicode; paid Rewrite described but off in v1.
- [Claude watermark remover](https://aitextwatermarkchecker.com/claude-watermark-remover): Explains Claude’s word-choice watermark and offers a free character scan.
- [AI text watermark remover](https://aitextwatermarkchecker.com/ai-text-watermark-remover): Two-type table for character vs statistical signals, plus Load example.
- [SynthID detector](https://aitextwatermarkchecker.com/synthid-detector): Honest denial for SynthID-Text on paragraphs; still lists hidden characters.
- [ChatGPT space remover](https://aitextwatermarkchecker.com/chatgpt-space-remover): Spaces-only local cleanup. Free, no login.
- [Pricing](https://aitextwatermarkchecker.com/pricing): Free $0, Pro $9.90/mo, Pro yearly $79, top-up $4.99. Checkout closed in v1.
- [Rewrite API for Hidden-Character Cleanup](https://aitextwatermarkchecker.com/api): What the scan and rewrite API are and how billing would work.
- [API Docs: Scan and Rewrite](https://aitextwatermarkchecker.com/docs): Auth, Scan, Rewrite, and Errors with curl examples.
- [About](https://aitextwatermarkchecker.com/about): Operator of aitextwatermarkchecker.com. Unofficial.
- [Contact](https://aitextwatermarkchecker.com/contact): support@aitextwatermarkchecker.com; reply within 2 business days.
- [Privacy](https://aitextwatermarkchecker.com/privacy): Free Scan/Strip stay local; rewrite text is not stored.
- [Terms](https://aitextwatermarkchecker.com/terms): Acceptable use for AI Text Watermark Checker.
- [Refund](https://aitextwatermarkchecker.com/refund): Cancel anytime; first-purchase refund window when checkout is open.