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