What this tool does
AI chat interfaces often insert special Unicode characters in their responses. These can cause issues when pasting into code editors, documents, or other applications.
Zero-width spaces, direction marks, BOM, soft hyphens
Smart quotes, em-dash, ellipsis, bullets
Non-breaking, thin, hair, em/en spaces converted to regular
Input Text
Cleaned Output
Common Issues Caused by Hidden Characters
About AI Text Cleaner
Remove hidden Unicode characters from text copied from ChatGPT, Claude, Gemini, and other AI tools. Eliminates zero-width spaces (ZWSP), zero-width joiners (ZWJ), non-breaking spaces, direction control characters, and other invisible characters that can break your code or cause formatting issues in documents.
What Characters Are Removed?
- Zero-Width Space (ZWSP) - U+200B: An invisible character often inserted by AI
- Zero-Width Non-Joiner (ZWNJ) - U+200C: Used to prevent characters from joining
- Zero-Width Joiner (ZWJ) - U+200D: Used to join characters that shouldn't normally join
- Non-Breaking Space - U+00A0: Converted to regular spaces
- Direction Control Characters - LTR/RTL marks that can break text alignment
- Other Invisible Characters - Various formatting characters that cause issues
Key Features
- Removes zero-width characters (ZWSP, ZWNJ, ZWJ)
- Converts non-breaking spaces to regular spaces
- Removes direction control characters
- Shows detailed breakdown of found characters
- Real-time cleaning
- Privacy-focused - all processing in browser
Frequently Asked Questions
What hidden characters does the AI text cleaner remove?
It removes zero-width spaces (ZWSP), zero-width non-joiners (ZWNJ), zero-width joiners (ZWJ), non-breaking spaces, direction control characters, and other invisible Unicode characters.
Why does AI-generated text have hidden characters?
AI models like ChatGPT sometimes include invisible Unicode characters in their output that can cause issues when pasting into code editors, word processors, or other applications.
Is the text cleaner safe to use with sensitive data?
Yes, all processing happens locally in your browser. No data is ever sent to any server.