Free · Unlimited · Runs in your browser
Claude Watermark Remover
Claude's mark is a pattern in word choices, so deleting characters cannot touch it. Only rewriting the wording reduces it, and no one can promise a particular detector will miss the result.
Want the wording itself changed?
The Humanizer rewrites the text, in a tone or in your own voice, and shows the AI signal before and after.
What Anthropic says about Claude text marks
Anthropic has said Claude text carries a statistical mark in its word choices, with a detector only in private preview so far. Short passages and code carry little of it.
Status: Statistical mark in word choices. Checked 12 October 2026. This changes as providers announce things; tell us if it is out of date.
How Claude writing tends to read
Claude output often shows careful, balanced sentences, hedged claims, tidy lists of three and a fondness for em dashes. These habits are what the Fix List and Humanizer target. Human writers share some of them, which is why a score is a signal and never proof.
Claude watermark remover questions
Does Claude watermark its text?+
Anthropic has said Claude text carries a statistical mark in its word choices, with a detector only in private preview so far. Short passages and code carry little of it. (Statistical mark in word choices; checked 12 October 2026.)
What does the Claude watermark remover actually remove?+
Invisible characters (zero-width spaces, word joiners, soft hyphens, bidirectional marks, tag characters), unusual spaces, control characters, em and en dashes, curly quotes and ellipsis characters. The report shows the exact count of each. It never changes your words.
Can it remove a statistical watermark?+
No tool can honestly promise that. A statistical mark lives in which words were chosen, not in any character, so deleting characters does not touch it. Rewriting the wording reduces it, and heavy rewriting is the only thing providers say defeats it. Anyone quoting a removal score is inventing the number.
Is my text sent anywhere?+
No. The cleaner runs entirely in your browser. There is no limit and nothing is stored.
Why do my curly quotes and dashes change?+
They are punctuation habits common in AI text, and sometimes just a word processor's smart punctuation. Number ranges keep a plain hyphen. If you prefer to keep them, use the Fix List, which lets you accept changes one at a time.
What should I do if I want the wording changed too?+
Use the Humanizer. It rewrites the text in a tone or your own voice and shows the AI signal before and after. Read the result before you use it.