Instantly Clean & Standardize Your AI Text
Remove invisible characters, weird spacing, and formatting quirks from ChatGPT or LLM outputs.
Input Text
Cleaning Options
Cleaned Text
Detects 70+ character types including
Remove watermarks from any AI tool
8 powerful cleaning options
Each option targets a specific type of formatting issue found in AI-generated text.
Remove hidden characters
Eliminates invisible characters like zero-width spaces that can break code and cause formatting issues.
Convert non-breaking spaces
Replaces non-breaking spaces with regular spaces.
Normalize dashes
Converts em-dashes and en-dashes to standard hyphens.
Normalize quotes
Converts curly/smart quotes to straight quotes, which is essential for code compatibility.
Convert ellipsis
Replaces ellipsis character with three dots.
Remove trailing whitespace
Eliminates whitespace at the end of lines.
Remove asterisks (*)
Removes all asterisk characters from the text.
Remove markdown headings
Strips markdown heading syntax (# to ######) from the beginning of lines.
Global cleaning statistics
Real-time numbers from all the text cleaned by our users worldwide.
Loved by thousands
Join over 500,000 users who trust Unwatermark to clean their AI-generated content.
“Finally, a tool that actually works! I was worried about my university flagging AI-assisted research. This removed all invisible characters instantly.”
“As a content creator, I use AI for brainstorming but need clean output. Unwatermark is now part of my daily workflow. Fast, private, and reliable.”
“The transparency is what sold me. I can see exactly what characters were found and removed. No black box, no surprises. Highly recommend.”
“I tested it against multiple AI detectors before and after. The difference is remarkable. My text now passes as human-written every time.”
“Love that it works offline and doesn't store any data. As someone who handles sensitive documents, this privacy-first approach is essential.”
“Simple, effective, and free. I've tried paid alternatives that don't work as well. This is now my go-to tool for cleaning AI text.”
Common questions
Everything you need to know about AI watermarks and our tool.
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AI-generated text?
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