Checks websites that you visit for invisible zero-width characters and replaces them with a specified character. Has the ability to copy all the characters found.

ZeroWidth Detection - Firefox Add-on
ZeroWidth Detection is a Firefox add-on that helps you detect and replace invisible zero-width characters used for online tracking. It allows you to manually scan pages, copy detected characters, and specify custom replacements. Whitelist trusted domains and check copied text for zero-width characters. Visit GitHub to contribute or access the source code.
Add-on stats
Manifest V2
Firefox on Android: Yes
Permissions:
- <all_urls>
- tabs
- storage
- webRequest
- clipboardRead
- clipboardWrite
Size: 18.02K
Email: mi*****@riseup.net
URLs: Website
Full description: See detailed description
Ranking
Other platforms
Not available on Chrome
Not available on Android
Not available on Edge
User reviews
by atreyu, 2020-08-11
Interesting add-on, demonstrates one of the trickster's tools!
(Unfortunately not working on all sites because of counter measures)
https://umpox.github.io/zero-width-detection/
by tplaccnt, 2018-07-08
Add-on safety
Risk impact
ZeroWidth Detection requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.
Risk impact analysis details
- Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
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- Low ******* ****** ** *** ********* ********
Risk likelihood
We don't have sufficient data to confidently determine the risk likelihood of ZeroWidth Detection. Use it at your own risk.
Risk likelihood analysis details
- High This extension has low user count. Unpopular extensions may not be stable or safe.
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- Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
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