Input & Settings
What gets removed
- Zero-width: U+200B, U+200C, U+200D, U+2060, U+FEFF
- Soft hyphen: U+00AD
- Combining grapheme joiner: U+034F
- Bidi marks: U+200E, U+200F
- Bidi overrides: U+202A–U+202E
- Isolates: U+2066–U+2069
Output
Server processed
Invisible removed
0
Custom matches
0
Unicode normalized
No
Whitespace normalized
No
Note: There’s no universal text watermark. This tool removes invisible & formatting codepoints commonly used for watermarking/steganography. For vendor-specific schemes, add custom patterns in Options.
How to run
- Save this file as
clean-watermarks-fancy.php
. - Launch:
php -S localhost:8000
- Open:
http://localhost:8000/clean-watermarks-fancy.php