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Common AI Text Issues
ChatGPT / OpenAI
Often adds zero-width spaces, smart quotes, and em-dashes that break code syntax.
Claude / Anthropic
May include soft hyphens, non-breaking spaces, and typographic characters.
Gemini / Google
Sometimes inserts invisible formatting characters and directional marks.
GitHub Copilot
Can introduce hidden characters in code completions causing syntax errors.
AI Unicode Remover - Clean Hidden Characters from AI Text
Remove invisible Unicode characters from ChatGPT, Claude, Gemini, Copilot, and other AI-generated text. Our free tool detects and removes zero-width spaces, soft hyphens, control characters, and other hidden formatting that can break your code and documents.
Why AI Text Contains Hidden Unicode
Large Language Models (LLMs) are trained on web data that contains various Unicode characters for formatting, language direction, and text styling. When generating text, AI models may inadvertently include these invisible characters, especially in:
- Code snippets - Causing syntax errors that are hard to debug
- JSON/XML data - Breaking parsers with invisible characters
- Documentation - Creating inconsistent formatting
- Markdown - Interfering with rendering
Common Hidden Characters in AI Text
- U+200B - Zero-Width Space: Invisible but takes up position
- U+200C - Zero-Width Non-Joiner: Prevents character joining
- U+200D - Zero-Width Joiner: Forces character joining
- U+00AD - Soft Hyphen: Invisible optional line break
- U+FEFF - Byte Order Mark: File encoding marker
- U+00A0 - Non-Breaking Space: Looks like space but isn't
- U+2018/U+2019 - Smart Quotes: Curly apostrophes
- U+2014 - Em Dash: Long dash character
How to Use
- Copy text from any AI tool (ChatGPT, Claude, etc.)
- Paste it into the input field
- Click "Clean AI Text" or enable auto-clean
- Copy the cleaned text or download as file
Frequently Asked Questions
Is my text safe?
Yes! All processing happens in your browser. No text is sent to any server.
Will this break my text formatting?
The tool only removes invisible characters. Visible formatting like line breaks and indentation is preserved.
Can I use this for code?
Absolutely! This tool is especially useful for cleaning AI-generated code that contains hidden characters causing syntax errors.
What about emojis?
Emojis are preserved. Only truly invisible/problematic characters are removed.