Custom UserAgent String
Add a custom useragent string for desired URLs or domains.
Custom UserAgent String - Change Browser's UserAgent with Ease
"Custom UserAgent String" is a Firefox add-on that enables users to effortlessly change their browser's user-agent by creating site-specific user-agent strings through the Options page. It features an ON or OFF switch button, the capacity to transform each URL into a domain, and provides over 100 sample user-agent strings. Users can also search for or disable specific user-agent strings.
Add-on stats
Manifest V2
Weekly download count: 31
Firefox on Android: Yes
Permissions:
- storage
- *://*/*
- ws://*/*
- wss://*/*
- webRequest
- webRequestBlocking
Size: 390.44K
Email: dr*****@yahoo.com
URLs: Website
Full description: See detailed description
Ranking
Other platforms
Not available on Android
Not available on Edge
User reviews
These summaries are automatically generated weekly using AI based on recent user reviews.
Firefox Browser Add-ons does not verify user reviews, so some user reviews may be inaccurate,
spammy, or outdated. Pros
- Works as described and changes UserAgent effectively
- Allows domain or URL-specific spoofing
- Useful for advanced users needing custom UserAgent strings
Cons
- User interface is cumbersome and not user-friendly
- Cannot activate for current page without manual entry
- Issues with compatibility on Firefox for Android
Most mentioned
- Difficulty in configuring multiple hosts/domains
- Inability to use wildcards in URL patterns
- Cumbersome UI that complicates user experience
User reviews
by 退出中共邪教党团队避疫, 2025-02-10
Very usefull, but UA data are too old, and I can't edit config which I added, only way is remove first then re-add it
by Firefox user 17505355, 2024-12-24
Worked perfectly no issues. Simple and sweet.
by Calum, 2024-05-02
Add-on safety
Risk impact
Custom UserAgent String requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.
Risk impact analysis details
- Critical Allows access to all websites, posing a significant security risk as it can monitor and modify data from any visited site.
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Risk likelihood
We don't have sufficient data to confidently determine the risk likelihood of Custom UserAgent String. Use it at your own risk.
Risk likelihood analysis details
- High This extension has low user count. Unpopular extensions may not be stable or safe.
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