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.

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Simple functionality focused add-on used for detecting zero-width characters (invisible characters) which might be used for tracking you online.

Functions:

Manually preform a scan on a page
Copy all zero-width characters found
Specify custom string to replace zero-width characters found (can input nothing to strip them)
Whitelist domains you trust or that might break from the add-on
Option for checking any copied text for zero-width characters
Option to scan a page again when tab becomes active

Want to contribute to the project or just see the source code and how it works? You can do both on GitHub: https://github.com/mikkel1156/ZeroWidth-Detection-Firefox

By:

Daily users:

Rating:

Version:

2.1resigned1 Last updated: 2024-04-25

Version code:

5731435

Creation date:

2018-07-08

Risk:

Permissions:

<all_urls>
tabs
storage
webRequest
clipboardRead
clipboardWrite

Size:

18.02K

Email:

mi*****@riseup.net

URLs:

Full description:

Source:

Firefox Browser Add-ons

Updated:

a day ago

Ranking

# 17,716 ▼ 351

Other rankings

#29 in detect keyword 18 ▼ 2 #151 in section keyword 1 #188 in selection keyword 25 ▲ 2 #195 in ai tech keyword 65 ▼ 4

User reviews

by 退出党团队远离中共恶魔, 2025-04-22

by 退出中共邪教党团队保命, 2025-03-16

by atreyu, 2020-08-11

View all user reviews ›

Extension 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 ******* ******* **** *** ****** ***** *** ***** ** ******* **** ********* ********* ** * *********** *****
High ****** ******* *** ********* ********* ******** ***** *** ** ********** ****** * ******** ******* *****

Risk likelihood

ZeroWidth Detection is probably trust-worthy. Prefer other publishers if available. Exercise caution when installing this add-on.

Risk likelihood analysis details

High This extension has low user count. Unpopular extensions may not be stable or safe.
Low **** ********* *** ******* **** **** * ****** **** ***** ******** *** **** ****** ** ** ****** *** *****
Low **** ********* *** ***** **** **** * ****** **** ***** ********** *** **** ****** ** ** ****** *** *****
Good **** ********* *** **** **** *******

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