Mydentify AI Watermark and Claude Checker
AI Watermark Detector
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Overview Mydentify AI Watermark and Claude Checker
A free browser-based checker for observable Unicode artifacts in Claude, ChatGPT, and other AI text, with clear limits on what text-only evidence can prove.
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Key features
Quick scan of what stands out
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Detects zero-width characters, directional controls, non-standard spaces, and control characters
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Runs in the browser without uploading pasted text
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Explains limits around Claude's private statistical watermark and authorship claims
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Use cases
Where this tool fits best
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Inspect pasted text for observable Unicode artifacts before publishing
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Debug text copied from Claude, ChatGPT, or other AI tools
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Teach teams why AI detection signals need cautious interpretation
Pricing & plans 2026
Completely free with no cost