edit user-agent string quickly and easily
What is User-Agent Modifier?
User-Agent Modifier is a Firefox add-on that provides a convenient tool for editing user-agent strings. With this add-on, you can quickly modify the user-agent for any web request, as well as the window.navigator.userAgent value.
The add-on allows you set user-agent string within the toolbar popup. It will change user-agent for every web request. It also change the window.navigator.userAgent value.
User-Agent Modifier is risky to use as it requires a number of sensitive permissions that can potentially harm your browser and steal your data. Exercise caution when installing this add-on. Review carefully before installing. We recommend that you only install User-Agent Modifier if you trust the publisher.
User-Agent Modifier has earned a fairly good reputation and likely can be trusted.