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User-Agent Switcher and Manager

Chrome extension by rynu.smith · Productivity · Developer

  • Featured
  • Established publisher

A Chrome extension in Productivity · Developer with 400 000 users, a widely installed extension.

Every site you visit. This extension can read and change the content of any page you open.

What the developer says, and 1 screenshot

Loading from the Chrome Web Store. Open the listing if it does not appear.

Users
400 000
Rating
4.3 (274 ratings)
Users, last 16 days
unchanged
Rating, last 30 days
Not watched long enough to say
Version
0.7.1
Updated in the store
2026-09-01
Published
2017-09-13
Manifest
V3
Browser access
5 permissions, 1 site pattern

How it has moved

Users
unchanged since 31.08
400k · 4 readings
  1. 2026-08-31400k
  2. 2026-09-06400k
  3. 2026-09-08400k
  4. 2026-09-15400k
Rating
-0.017 since 31.08
reviewsrating 4.299-4.316 · 4 readings
  1. 2026-08-31reviews272rating4.316
  2. 2026-09-06reviews273rating4.304
  3. 2026-09-08reviews274rating4.299
  4. 2026-09-15reviews274rating4.299
Users
unchanged since 31.08
400k · 4 readings
  1. 2026-08-31400k
  2. 2026-09-06400k
  3. 2026-09-08400k
  4. 2026-09-15400k
Rating
-0.017 since 31.08
reviewsrating 4.299-4.316 · 4 readings
  1. 2026-08-31reviews272rating4.316
  2. 2026-09-06reviews273rating4.304
  3. 2026-09-08reviews274rating4.299
  4. 2026-09-15reviews274rating4.299

A dot marks a day the store showed a different number. Between them the line carries the last one forward: we read every listing more than once a day and record a point only when something moves. History beyond ninety days is in the app.

What it can reach

Every site you visit. This extension can read and change the content of any page you open.

  • Watch the network requests your browser makes webRequest
  • Block or redirect requests on the sites it can access declarativeNetRequestWithHostAccess
  • Run its own code on the pages it can access scripting
Show the remaining 2
  • Add items to the right-click menu contextMenus
  • Store data in your browser storage

The full permission history for this extension

What changed recently

Nothing has moved on this listing since we started watching it.

The publisher

rynu.smith publishes 15 listings we track, 661k users between them.

  1. Open in PDF Reader rynu.smith · Productivity · Workflow · published 2017-08-18 90k users ★ 3.5
  2. Block Site rynu.smith · Make Chrome Yours · Privacy · published 2017-10-18 90k users ★ 4.4
  3. Open in IE rynu.smith · Productivity · Workflow · published 2017-08-29 20k users ★ 3.5
Show 5 more from this publisher
  1. Open in MS Edge™ rynu.smith · Productivity · Tools · published 2017-08-29 20k users ★ 3.9
  2. Convert Gmail™ to PDF (locally) rynu.smith · Productivity · Education · published 2017-07-22 10k users ★ 3.4
  3. Edit with Sublime Text™ rynu.smith · Productivity · Developer · published 2017-08-05 9k users ★ 3.7
  4. Last.fm Scrobbler for YouTube™ rynu.smith · Lifestyle · Social · published 2017-09-09 9k users ★ 3.2
  5. GIF Blocker rynu.smith · Lifestyle · Art · published 2017-07-30 4k users ★ 3.6

Like this one

Listings the catalog judges closest in what they say they do.

  1. Advanced User Agent Switcher Describes nearly the same job, smaller audience 3k users ★ 3.0
  2. User Agent Switcher Describes nearly the same job, with a large installed audience 100k users ★ 4.1
  3. User Agent Switcher by AIO.com.ai Describes nearly the same job, smaller audience 49 users
  4. UA Intercept Describes nearly the same job, smaller audience 30 users
  5. Custom UserAgent String Describes nearly the same job, with an established audience 30k users ★ 3.8

The top 5 only. The full comparison, with why each one is close, is on the alternatives page; ranking a whole neighbourhood by your own criteria is in the app.

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Figures come from our own daily pass over the public Chrome Web Store listing, last read on . We publish no contact details for extension developers.