Spoofs User-Agent strings of your browser with a new one globally, randomly or per hostname
Quickly and easily switch between popular user-agent strings.
User-Agent Switcher is a quick and easy way to switch between user-agents.
Use different user agents for different websites.
Custom UserAgent String
Add a custom useragent string for desired URLs or domains.
This extension changes the UserAgent sent by your browser on a per-domain base. You can set up a different UserAgent for a specific domain, but still use the default one otherwise.
Mobile View Switcher
Switch to mobile view with one click via toolbar button.
Auto-switches to a preset tab or cycle through tabs after the user becomes inactive.