Mobile/Responsive Web Design Tester

Test responsive web designs or mobile pages that detect specific user agents. Test multiple devices at the same time!
What is Mobile/Responsive Web Design Tester?
Mobile/Responsive Web Design Tester is a Chrome extension that allows Web Designers and Developers to easily test their web pages against various mobile, phablet, and tablet devices by emulating the user agent and screen resolution. It is an excellent tool for testing responsive web designs and supports switching between portrait and landscape modes. With the ability to test multiple devices simultaneously, it is particularly helpful during the development and testing phase when accessing actual devices can be challenging.

Extension stats

This extension was removed from Chrome Web Store on 2020-10-16 due to malware
Users: 141,374+
Rating: 4.09 (345)
Version: 2.4 (Last updated: 2020-09-05)
Risk impact: High risk impact
Risk likelihood: Very high risk likelihood
Manifest version: 2
Permissions:
  • webRequest
  • webRequestBlocking
  • *://*/*
  • tabs
Size: 2.69M
Price: Free
URLs: Website

Other platforms

Not available on Firefox
Not available on Edge
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Extension summary

The Mobile/Responsive Web Design Tester extension allows Web Designers and Developers to test their web pages against common mobile, phablet and tablet devices by emulating the user agent and screen resolution. Excellent for testing responsive web designs. Easily switch between portrait and landscape mode and test multiple mobile device's at the same time!

Very helpful when your site is in development and testing on actual devices can be difficult.

Although using feature detection is best practice, there are still situations that come up in which you need to detect a devices user agent. The Mobile/Responsive Web Design Tester is unique in that it not only emulates device resolution, but also the device's user agent.

** Version 2.3 (9/2/2020)

  • Complete device list revised
  • Clear old/eol devices
  • Delete donation button

** Version 2.1 (7/30/2015)

  • Added a couple new devices

** Version 2.0 (4/5/2015) **

See more

User reviews

Для разработчиков то что нужно. Спасибо. Очень удобно и не нужно постоянно телефон в руки брать. Отображение на экране телефона и в этом дополнении полностью совпадает.
by Serge Shevchik, 2020-10-12

hi that is very poor why it is very funny
by Mahima Technologies, 2020-09-09

Great Extension, not sure if its open source, i would like to contribute, if its open
by Lakhveer Singh, 2020-09-03
View all user reviews

Extension safety

Risk impact

Mobile/Responsive Web Design Tester requires some sensitive permissions that could impact your browser and data security. Exercise caution before installing.

Risk likelihood

Mobile/Responsive Web Design Tester is very likely to contain malware and should not be trusted. Avoid installing.

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Promo images

Mobile/Responsive Web Design Tester small promo image
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