User-Agent Switcher and Manager

Name: User-Agent Switcher and Manager
Rating: 4.33 (271 reviews)
Author: rynu.smith

Spoof websites trying to gather information about your web navigation to deliver distinct content you may not want

As of June 2026, User-Agent Switcher and Manager has 300,000 users and a 4.33/5 rating from 271 reviews in the Developer Tools category.

rynu.smith Developer Tools★ Featured

Chrome Web Store ↗.crx

Users0%

300.0K

300,000

Rating−0.5%

4.33

271 reviews

Reviews+1.9%

271

Version

0.6.7

Manifest V3

90-day change · In the last 90 days this extension 1 version update, changed permissions.

History

7 snapshots

Tracking since Apr 1, 2026.

View as table

Date	Users	Rating	Reviews	Version
Apr 1, 2026	300.0K	4.35	266	0.6.6
Apr 18, 2026	300.0K	4.36	267	0.6.6
May 3, 2026	300.0K	4.36	267	0.6.6
May 6, 2026	300.0K	4.36	267	0.6.7
May 11, 2026	300.0K	4.34	270	0.6.7
May 23, 2026	300.0K	4.33	271	0.6.7
Jun 23, 2026	300.0K	4.33	272	0.6.7
Now	300.0K	4.33	271	0.6.7

Changelog

May 3, 2026

permissions

storage, contextMenus, scripting, declarativeNetRequestWithHostAccess

storage, contextMenus, scripting, declarativeNetRequestWithHostAccess, webRequest

Permissions & access

Permissions: storagecontextMenusscriptingdeclarativeNetRequestWithHostAccesswebRequest
Host access: <all_urls>

Screenshots

User-Agent Switcher and Manager screenshot 1

User-Agent Switcher and Manager screenshot 2

About

Usage example: You can alter your user-agent string to indicate you?re on a mobile device if you prefer seeing mobile versions of sites so they load quicker.

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This extension allows you to spoof your browser "user-agent" string to a custom designation, making it impossible for websites to know specific details about your browsing arrangement.

Video overview:
https://www.youtube.com/watch?v=4M6_Zc4o1MQ

Notes:
1. You can easily set custom "user-agent" strings from the toolbar popup
2. The extension uses a two-factor technique to mimic your default "user-agent" string, which is the most reliable method
3. The extension does not use any resources when it is not spoofing the user-agent
4. The extension enables user-agent spoofing on specific domains only; it is conversely possible to exclude certain domains from spoofing. Check the Options page for more info.
5. You can set per-site user-agent strings
6. There is an option to randomize user-agent strings.
7. It is possible to set user-agent string for a single window; you can have a separate user-agent string for each browser window
8. It supports modern browser identification mechanisms such as "Client Hints" headers and the "navigator.userAgentData" object.


For more info and general bug reports please use:
https://webextension.org/listing/useragent-switcher.html

For technical bug reports please use:
https://github.com/ray-lothian/UserAgent-Switcher/