Invisible Character Inspector — Detect Hidden Characters
Inspect text for invisible Unicode characters like zero-width spaces, BOM, control characters, and Bidirectional overrides. Clean and copy safe text.
Invisible Character Inspector
Detect hidden and invisible Unicode characters in your text.
What It Detects
| Category | Description | Risk |
|---|---|---|
| Zero-Width Space | U+200B and similar | High |
| BOM / Zero-Width No-Break | U+FEFF | High |
| Bidirectional Overrides | LRO, RLO, etc | High |
| Soft Hyphen | U+00AD | Medium |
| Control Characters | BEL, ESC, FS, etc | High |
| Format Characters | Various Unicode format codes | Varies |
Why Detect Invisible Characters?
- Security — Someone may hide malicious content in text
- Copy-Paste Issues — Invisible chars can break parsing
- Text Processing — Debug why your text manipulation fails
- Watermarking Detection — Find hidden watermarks in copied content
How to Use
- Paste or type text in the input area
- Click “Inspect” to analyze
- View highlighted characters in Visual tab
- Check Details tab for comprehensive findings
- Copy clean text or apply to input
FAQs
What is the Invisible Character Inspector?
This tool detects hidden Unicode characters in text that are invisible or hard to see, like zero-width spaces, BOM characters, control codes, and Bidirectional text overrides. These characters can be used for invisible watermarking, tricking copy-paste, or hiding content.
What characters are detected?
The tool detects: Zero-Width Space (ZWSP), BOM/UTF-8 markers, Soft Hyphens, Bidirectional overrides (LRO, RLO, LRE, RLE), Word Joiner, Hangul fillers, and many more invisible Unicode characters.
How do I use it?
Paste or type text in the input area and click 'Inspect'. The tool will analyze all characters and highlight invisible ones with color-coded badges. You can view details, copy clean text, or remove invisible characters.
Why is this useful?
Useful for: verifying copied text hasn't been tampered with, cleaning up pasted text from websites, detecting invisible watermarks, debugging text processing issues, and security auditing.
What do the colors mean?
Yellow = Zero-width/invisible chars, Red = Control characters, Purple = Bidirectional overrides, Green = Format characters, Blue = Special space characters. High risk items are marked with danger badges.