ZeroWidth Detection

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
By: Mikkel D.
Daily users: 31
-2
Rating: 5.00
(2)
Version: 2.1resigned1 (Last updated: 2024-04-25)
Version code: 5731435
Creation date: 2018-07-08
Firefox on Android: Yes
Permissions:
  • <all_urls>
  • tabs
  • storage
  • webRequest
  • clipboardRead
  • clipboardWrite
Size: 18.02K
URLs: Website
Full description: See detailed description

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
View all user reviews

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.
  • Critical ****** ****** ** ******* ***** ***** *** ** **** ** ***** **** ******** ****** *** ******** ********** * ******* ********
  • High ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****
  • High ****** ******* *** ********* ********* ******** ***** *** ** ********** ****** * ******** ******* *****
  • 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.
  • Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
  • Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
  • Good **** ********* *** **** **** *******
Upgrade to see full risk analysis details