GhostClean – Invisible Character Cleaner
Find and strip invisible Unicode characters, AI watermarks and hidden metadata from any text.
GhostClean scans pasted text for zero-width and other invisible Unicode characters — the kind AI tools sometimes embed as subtle watermarks. It highlights what it finds and hands you clean text back. Paste anything from ChatGPT or Claude and check it in seconds.
How to use the ghostclean – invisible character cleaner
- Paste your text into the box.
- See highlighted invisible characters with counts.
- Copy the cleaned text.
GhostClean – Invisible Character Cleaner — FAQs
What are invisible Unicode characters?
Characters like zero-width space (U+200B) that take up no visible space but exist in the text. They can sneak in from copy-paste or be embedded deliberately as watermarks.
Why would AI-generated text contain them?
Some systems embed statistical patterns — including unusual Unicode — that act as fingerprints of AI generation. Cleaning them removes that trace.
Is my text uploaded anywhere?
No. Detection and cleaning happen entirely in your browser; your text never leaves your device.
Will cleaning change my visible text?
No. Only invisible and control characters are removed. Everything you can see stays exactly as it was.
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