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

Chameleon by sereneblue

Spoof your browser profile. Includes a few privacy enhancing options. A WebExtension port of Random Agent Spoofer.

Available on Firefox for Android™Available on Firefox for Android™
4.6 (215 reviews)4.6 (215 reviews)
8,735 Users8,735 Users
Download Firefox and get the extension
Download file
Scan the QR code to open this extension in Firefox for Android

Extension Metadata

Screenshots
About this extension
Chameleon is a WebExtension port of the popular Firefox addon Random Agent Spoofer.

UI
  • Light/Dark theme
  • Notifications
  • Quickly toggle Chameleon

Useragents
  • Randomly select from a list of browser profiles
  • Choose between different platforms or device types
  • Change user agent at specified interval

Headers
  • Enable Do Not Track
  • Prevent Etag tracking
  • Spoof accept headers
  • Spoof X-Forwarded-For/Via IP
  • Disable referer
  • Modify referer policies

Options
  • Block media devices
  • Spoof media devices
  • Limit tab history
  • Protect keyboard fingerprint
  • Protect window.name
  • Spoof audio context
  • Spoof client rects
  • Spoof font fingerprint
  • Spoof screen size
  • Spoof timezone
  • Enable first party isolation
  • Enable resist fingerprinting
  • Prevent WebRTC leak.
  • Enable tracking protection
  • Block WebSockets
  • Modify cookie policy

Please note that WebExtensions are unable to modify about:config entries.

Whitelist
  • Use your real or spoofed profile for whitelisted sites
  • Supports regular expressions
  • Use a custom profile per whitelist rule, multiple sites per rule

Wiki

If you don't know where to start, visit the wiki.

Credits

dillbyrne for creating Random Agent Spoofer

Special Thanks:

- giwhub for the Chinese translation
- Kaylier, melegeti, and Tux 528 for the French translation
- Anonymous, Wursttorte, AName, and robinmusch for the German translation
- Shitennouji for the Japanese translation
- gnu-ewm for the Polish translation
- 3ibsand, Alexey, fks7cgsk, Hit Legends, and EugeneKh for the Russian translation
- David P. (Megver83) and reii for the Spanish translation
- xlabx for the Turkish translation
- mezysinc for the Portuguese (Brazilian) translation
- Ricky Tigg for the Finnish translation
- LolloGamer_5123 YT for the Italian translation
- azilara for the Portuguese translation
- maiska for the Korean translation
Rated 4.6 by 215 reviewers
Log in to rate this extension
There are no ratings yet

Star rating saved

5
173
4
19
3
12
2
8
1
3
Read all 215 reviews
Permissions and data

Required permissions:

  • Display notifications to you
  • Access browser tabs
  • Access your data for all websites

Optional permissions:

  • Read and modify privacy settings

Data collection:

  • The developer says this extension doesn't require data collection.
Learn more
More information
Add-on Links
  • Homepage
  • Support site
  • Copy add-on ID
Version
0.22.85.1
Size
889.54 KB
Last updated
8 days ago (Jun 20, 2026)
Related Categories
  • Privacy & Security
License
GNU General Public License v3.0 only
Privacy Policy
Read the privacy policy for this add-on
Version History
  • See all versions
Tags
  • privacy
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

Download

  • Download Firefox
  • Windows
  • macOS
  • iOS
  • Android
  • Linux
  • All

Latest Builds

  • Nightly
  • Beta

Firefox for Business

  • Enterprise

Community

  • Connect
  • Contribute
  • Developer

Follow

  • Instagram
  • YouTube
  • TikTok
  • Bluesky
  • Podcast
  • 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. Android is a trademark of Google LLC.