AI Text Watermark Remover

UNMARK cleans hidden Unicode characters from copied or AI-generated text. Paste your text above to detect and remove invisible characters that can appear in text from ChatGPT, Claude, Gemini, Grok, DeepSeek, Copilot, or other sources. The cleaning process runs locally in your browser, so your text stays on your device.

Remove hidden Unicode characters

Clean invisible or unexpected Unicode characters from text before you reuse, publish, edit, or paste it into another application.

Clean AI-generated text

Use UNMARK with text copied from popular AI assistants and writing tools, including ChatGPT, Claude, Gemini, Grok, DeepSeek, and Copilot.

Runs in your browser

UNMARK processes the text in the browser rather than requiring an upload to a remote text-cleaning service.

Simple Unicode text cleaner

Paste, clean, and copy. No account, complex setup, or special editor is needed for the basic text-cleaning workflow.

UNMARK FAQ

What does an AI text watermark remover do?

An AI text watermark remover can identify and remove hidden or unusual Unicode characters embedded in text. UNMARK is designed for that text-cleaning workflow and shows detected characters in its results panel.

Can I clean ChatGPT, Claude, Gemini, Grok, DeepSeek, and Copilot text?

Yes. UNMARK is designed to work with plain text copied from these services and other text sources. Paste the original text into the input box and run the cleaner.

Does UNMARK upload my text?

UNMARK is designed to run locally in your browser. The interface labels the tool as local processing, so the normal cleaning workflow does not require sending your pasted text to a server.

What kinds of text can I clean?

You can use UNMARK for ordinary copied text, AI-generated writing, notes, drafts, and other plain text where hidden Unicode characters may be present.