Random User-Agent (Switcher)
Privacy & Security
Automatically change the user agent after specified period of time to a randomly selected one
Users
100K
Rating
4.6
Reviews
438
7D Growth
0|0%
Signal pendingNo paid features detectedHigh-risk permissions
User-Agent Switcher by Semalt
User-Agent Switcher by Semalt lets you change your User-Agent fast and view any site as if browsing from another browser or device.
Users106Current public install base
Rating4.3Store average score
Reviews3Public review volume
Manifest versionV3Extension platform version
7-day growth--Net users gained this week
7-day growth rate--Relative weekly velocity
Preview
3 assetsUser-Agent Switcher by Semalt Media preview
Trend
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User Growth Over Time
Rating trend
7-day rating trend
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7-day rating change
Start
4.33
Latest
4.33
7-day rating change
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2026年7月14日2026年7月14日
Growth overview
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1-day growthNo data
----7-day growthNo data
----30-day growthNo data
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Version, languages, and crawl freshness
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Version1.0.0
ManifestV3
Size911KiB
Languages32Deutsch / English / Indonesia +29
Published
Store updated
Last crawled
DeutschEnglishIndonesiaNederlandsTiếng ViệtTürkçecatalàdanskeestiespañolfrançaishrvatski
Overview
Product summary
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User-Agent Switcher by Semalt lets you quickly and conveniently switch the User-Agent to view a site as if you were using another browser or device.
A User-Agent is a string your browser sends to a site in the HTTP header and via navigator.userAgent. Servers and scripts can use it to identify the browser and device type and, if needed, deliver different content or apply different rules.
With User-Agent Switcher by Semalt, you can easily switch—right inside Chrome and in just a few clicks—to built-in User-Agent profiles for various operating systems, browsers, search engines, devices, and more.
➋ Who can benefit from extension?
➣ Front-end engineers & QA — reproduce issues and test UA(User-Agent)-based redirects, polyfills, and responsive breakpoints without real devices.
➣ Technical SEO teams — check mobile/desktop parity, detect UA(User-Agent)-based cloaking, verify server rules that vary by User-Agent, quick spot-checks for Googlebot rendering (note: this doesn’t make requests from Google; it only changes the header).
Reviews
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Store average score4.3Chrome Web Store aggregate rating, including ratings without synced review text
Synced text average4.3Average computed only from synced review bodies below
Reviews with text3Synced review bodies
Total ratings / reviews3Chrome Web Store public rating/review count
Store average score: 4.3. The bars below are calculated from synced review text only, so they may be empty for extensions that have public ratings but no synced comments yet.
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I think I’ve checked all plugins of this type available in the Chrome Web Store — this is the first one that actually works (and on top of that, it has a pleasant interface, not something straight out of Excel). The option to assign a user agent to just one tab is great (and it really works only in that one — in others it was a lottery).
Does NOT work with Android Kiwi browser, does nothing when invoked from its menu.
I’ve tested many user-agent switcher extensions, but User-Agent Switcher by Semalt is by far the best. It has a huge variety of built-in profiles — operating systems, browsers, search engines, devices — everything you might need. Switching between them takes literally one click, and it works instantly without delays. What I like the most is that the extension is completely free, with no hidden restrictions or paid upgrades. Super simple, lightweight, and very convenient. Highly recommended!