For FF: https://addons.mozilla.org/en-US/firefox/addon/random-agent-spoofer/ https://addons.mozilla.org/en-US/firefox/addon/random-agent-... I think this one i

For FF: https://addons.mozilla.org/en-US/firefox/addon/random-agent-spoofer/ https://addons.mozilla.org/en-US/firefox/addon/random-agent-... I think this one is no longer working with the newest FF versions, but check back in on it every once in a while. For Chrome: https://chrome.google.com/webstore/detail/random-user-agent/einpaelgookohagofgnnkcfjbkkgepnp https://chrome.google.com/webstore/detail/random-user-agent/... Not as configurable as I'd like, but it gets 25% of the job done.