Firefox Browser Add-ons
  • Extensions
  • Themes
    • for Firefox
    • Dictionaries & Language Packs
    • Other Browser Sites
    • Add-ons for Android
Log in
Preview of ZeroWidth Detection

ZeroWidth Detection by Mikkel D.

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.

5 (2 reviews)5 (2 reviews)
33 Users33 Users
Download Firefox and get the extension
Download file

Extension Metadata

Screenshots
Hidden characters replaced by emojis.
About this extension
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
Rated 5 by 2 reviewers
Log in to rate this extension
There are no ratings yet

Star rating saved

5
2
4
0
3
0
2
0
1
0
Read all 2 reviews
Permissions and dataLearn more

Required permissions:

  • Get data from the clipboard
  • Input data to the clipboard
  • Access browser tabs
  • Access your data for all websites
More information
Add-on Links
  • Homepage
  • Support site
  • Support Email
Version
2.1resigned1
Size
17.6 KB
Last updated
a year ago (Apr 25, 2024)
Related Categories
  • Privacy & Security
License
Unlicense
Version History
  • See all versions
Add to collection
Report this add-on
Go to Mozilla's homepage

Add-ons

  • About
  • Firefox Add-ons Blog
  • Extension Workshop
  • Developer Hub
  • Developer Policies
  • Community Blog
  • Forum
  • Report a bug
  • Review Guide

Browsers

  • Desktop
  • Mobile
  • Enterprise

Products

  • Browsers
  • VPN
  • Relay
  • Monitor
  • Pocket
  • Bluesky (@firefox.com)
  • Instagram (Firefox)
  • YouTube (firefoxchannel)
  • Privacy
  • Cookies
  • Legal

Except where otherwise noted, content on this site is licensed under the Creative Commons Attribution Share-Alike License v3.0 or any later version.