The repos (start here)
Three free options, all on GitHub. Pick one — the first is the most popular.
watermarks-remover
github.com/guillaumemeyer/watermarks-remover — the big one (17,000+ stars). Strips hidden AI marks from text, images, PDFs and docs across multiple AI vendors, not just Anthropic.
claude-watermark-remover
github.com/haidrrrry/claude-watermark-remover — strips invisible Unicode and metadata tags from 30+ AI tools. Runs entirely on your machine, no API key.
AI-watermark-remover-GUI
github.com/yasir-mo/AI-watermark-remover-GUI — point-and-click version, tested on Claude text watermarking. Good if you'd rather not touch a terminal at all.
Install and run it
Exactly like the video: install it with Claude Code or Codex, then run your text output through it. You don't need to know how the tool works — let your AI do the install.
After that, whenever you want clean text, just say: "run this through the watermark remover" and paste your text.
What the watermark actually is
It's not a visible logo. AI tools can embed invisible Unicode characters and metadata tags in the text and files they produce — markers that identify the content as AI-generated. You can't see them, but software can.
These tools strip those hidden characters and tags so what you publish is just your words — nothing riding along underneath.
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