Switch UA PRO by Nổ Hũ 69VN

With this extension you can choose which UA the sites will see.
Designed for developer to test the web-view by quickly switching between desktop and mobile versions and for users who want more privacy while browsing.

Unlike other similar extensions, this one also intercepts iframes and client-side javascript.

Features:
- selection of the preferred from a list
- customization
- auto-switch every N requests or minutes
- auto-switch following the "device OS type" rule (to see more, once installed, click on the blue question mark in the popup)