zwBlocker
Extension Delisted
This extension is no longer available in the official store. Delisted on 2025-09-16.
Find and notify the user of zero-width unicode characters.
Any text that you copy can include hidden characters that might be used to track you. This extension helps identify these hidden characters.
How to use:
1. The extension icon will display the number of zero-width characters on the page.
2. A warning will appear if you select text containing zero-width characters.
3. Click "more" in the warning notification to get a safe version of the text.
Latest reviews
It detects zero width spaces but does not get the accurate count on page or show you if the characters are in text you highlighted. For instance the wikipedia page for zero width characters has only two zero width characters counted
