PRIVATE TEXT CLEANER
Claude Watermark Remover
Clean invisible formatting characters from text. Your words stay yours.
Paste text or open a .txt, .md, or .csv file. File contents are read on this device.
Text is processed on this device and is never sent to a server.
What this cleaner removes
It looks for a small, explicit set of invisible Unicode formatting characters: zero-width space (U+200B), soft hyphen (U+00AD), word joiner (U+2060), byte order mark (U+FEFF), and combining grapheme joiner (U+034F). The report lists the exact characters it found and removed.
It does not rewrite sentences, score text, or determine who wrote it. Statistical text watermarks are patterns in word choices, not hidden characters; this page does not detect or remove them. Results are not proof that text is or is not AI-generated.
How your text is handled
Cleaning runs in this page with JavaScript. Pasted text and opened file contents stay in the current browser tab. There are no external libraries, analytics, API calls, sign-in, or upload step.
Supported file inputs are plain text files: .txt, .md, and .csv. Other document and media formats are not supported. Browser memory and device limits apply; no numeric file-size limit is set by this page.
QUICK ANSWERS
Claude watermark remover FAQ
Can this remove every Claude watermark?
No. It removes only the listed invisible formatting characters. It cannot test for or remove statistical patterns in wording.
Is this a Claude watermark remover online?
It runs as a local web page in your browser. No text is sent to an online service.
Does it change my wording?
No. The cleaner preserves visible words. You can separately choose whether to keep, replace, or remove em dashes.
Can I use it as a remove Claude watermark tool for files?
Open a .txt, .md, or .csv file. Rich documents, PDFs, images, and metadata are not supported.