A web-based tool for detecting suspicious Unicode characters commonly found in AI-generated or manipulated text. This tool helps identify hidden characters, unusual formatting, and potential text manipulation techniques.
- File Upload: Drag & drop or browse to upload
.txtand.docxfiles - Direct Text Input: Paste text directly into the built-in editor
- Zero Width Characters: Invisible characters like Zero Width Space, Non-Joiner, etc.
- Directional Control: Left-to-Right/Right-to-Left embedding and override characters
- Unusual Spaces: Non-breaking spaces, em/en spaces, ideographic spaces
- Smart Punctuation: Curly quotes, em/en dashes, ellipsis
- Format Characters: Soft hyphens, combining characters, language marks
- Full-width Characters: Full-width punctuation and symbols
- Special Symbols: Section signs, bullets, geometric shapes
- Object Replacement: Replacement and object placeholder characters
- Character Counts: Precise count of each suspicious character type
- Category Breakdown: Organized display by character category
- Percentage Analysis: Shows suspicious characters as percentage of total text
- Sentence Context View: Click any character to see full sentences where it appears
- Character Hiding: Hide specific characters from the display
- Visual Indicators: Active filters highlighted with yellow background and filter icons
- Filter Status: Clear indication of currently active filters
- Easy Reset: One-click filter reset functionality
- Before/After View: Side-by-side comparison of original vs. cleaned text
- Syntax Highlighting: Suspicious characters highlighted with tooltips
- Format Preservation: Maintains paragraph structure, line breaks, and tabs from DOCX files
- Real-time Updates: Instant visual feedback when applying filters
- Copy to Clipboard: Preserve formatting when copying text
- TXT Download: Download cleaned text with preserved formatting
- Batch Export: Export both original and cleaned versions
- Format Retention: Maintains document structure in exported files
- Responsive Design: Works seamlessly on desktop and mobile devices
- Intuitive Layout: Clear sections for input, analysis, and results
- Visual Feedback: Notifications for all user actions
- Accessibility: Keyboard navigation and screen reader support
Choose your preferred input method:
- Upload Files: Drag and drop
.txtor.docxfiles onto the upload area - Paste Text: Use the text editor to paste content directly
Click the "🔍 Analyze Text" button to start the detection process.
The tool provides comprehensive analysis including:
- Summary Statistics: Total suspicious characters, categories, and risk level
- Character Categories: Detailed breakdown of found characters
- Text Comparison: Before/after views with highlighted suspicious characters
Click on any detected character in the results to:
- View Context: See complete sentences containing the character
- Hide Character: Remove the character from the display
- Reset View: Return to the original analysis
Use the export options to:
- Copy: Copy formatted text to clipboard
- Download: Save cleaned text as
.txtfile with preserved formatting
AI-generated text often contains subtle Unicode anomalies that are invisible to the human eye but can be detected programmatically. These include:
- Hidden zero-width characters inserted between words
- Unusual spacing and directional control characters
- Non-standard punctuation and formatting characters
- Object replacement characters from copy-paste operations
This tool provides a comprehensive analysis of text to identify these anomalies, helping users:
- Verify Text Authenticity: Detect potential AI-generated content
- Clean Documents: Remove suspicious characters while preserving formatting
- Educational Purposes: Learn about Unicode character manipulation techniques
- Content Moderation: Identify potentially manipulated text submissions
- Download: Clone or download this repository
- Open: Simply open
roo-file.htmlin any modern web browser - Use: No installation, server setup, or dependencies required!
- ✅ Chrome 80+
- ✅ Firefox 75+
- ✅ Safari 13+
- ✅ Edge 80+
Contributions are welcome! Please feel free to submit a Pull Request. For major changes, please open an issue first to discuss what you would like to change.
- Follow existing code style and structure
- Test thoroughly across different browsers
- Update documentation for new features
- Ensure accessibility standards are maintained
This project is licensed under the MIT License
- Unicode Consortium for comprehensive character documentation
- Community feedback and feature suggestions
- Open source libraries that make this tool possible