See hidden characters
Detect zero-width spaces, BOM, soft hyphens, control marks, and other special characters.
FREE CLAUDE TEXT CLEANER · PRIVATE BY DEFAULT
Clean hidden Unicode characters from Claude text before you publish, share, or reuse it.
Start cleaning ↓Your text stays on your device. Inspect first, then choose exactly what to remove.
PASTE · INSPECT · CLEAN
Nothing leaves your device.
Conservative mode removes zero width spaces, BOM and soft hyphens. It preserves joiners, special spaces and dashes. Directional and control marks are reported for manual review.
No special characters detected.
Run the tool to review changes.
Ready when you are
A PRACTICAL CLAUDE WATERMARK CLEANER
Claude can include invisible or unusual Unicode characters when text is copied between apps. They are hard to see, but can affect search, formatting, and downstream tools. noclau helps you find those characters and remove them with a reviewable diff.
Detect zero-width spaces, BOM, soft hyphens, control marks, and other special characters.
Use conservative cleanup or configure invisible characters, spaces, and dash handling yourself.
Review every change before copying text back into your document, CMS, or notes.
HOW IT WORKS
Bring in text from Claude or another AI assistant.
See special characters and a live diff before you change anything.
Apply your chosen rules, then copy the reviewed result.
CLAUDE WATERMARK REMOVER FAQ
A Claude watermark remover cleans hidden Unicode characters that can appear when text is copied from Claude. noclau shows you what is in the text, then lets you remove selected invisible characters before you use or share it.
Paste your Claude text into the tool above, review the detected characters, choose a cleaning mode, and select Clean text. You can review the diff and copy the cleaned result immediately.
Yes. It runs in your browser and does not upload your text to a server. That makes it useful for private notes, drafts, and client content.
No. Unicode cleanup is not authorship detection and cannot guarantee a result with any AI detector. It only removes the specific characters you select and reports what it finds.
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