Chameleon is a WebExtension port of the popular Firefox addon Random Agent Spoofer . The UI is near identical and contains most of the features found in the original extension. Useragents:

• Randomly select from a preset list of user agents.
• Choose between different platforms or device types.
• Use a custom user agent.
• Change user agent at interval. Headers:
• Spoof some header values.
• Modify referer options.
• Enable Do Not Track. Options:
• Enable script injection.
• Enable tracking protection/etc.
• Disable WebSockets.
• Spoof screen size.
• Modify cookie options.
• about:config checklist to enhance your privacy. Whitelist: Whitelist a profile for certain sites.