Viewport Resizer: Ultimate Device Emulator & Website Testing Tool

Emulate devices, resize screens, and perfect your web design effortlessly with this cutting-edge testing and presentation tool.

Viewport Resizer: Emulate Devices & Test Websites

Viewport Resizer: Ultimate Device Emulator & Website Testing Tool is a dynamic testing and presentation tool designed to create, test, and showcase digital experiences on any device. Customize your workspace, use device mockups, explore display resolutions, and harness advanced emulation features within a professional-grade environment for high-quality development and debugging.
Install from Chrome Web Store

Extension stats

Users: 80,000+
Rating: 4.20
(277)
Version: 2.0.3 (Last updated: 2024-11-19)
Creation date: 2019-12-28
Risk impact: Moderate risk impact
Risk likelihood:
Manifest version: 3
Permissions:
  • activeTab
  • scripting
  • declarativeNetRequest
  • storage
Host permissions:
  • <all_urls>
Size: 146.43K

Other platforms

Not available on Android
Not available on Firefox
Not available on Edge
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Extension summary

Analyze keywords

Enhance your web design experience with our dynamic testing and presentation tool, designed to create, test, and showcase your digital experiences on any device, from wearables to very big screens. Customize your workspace fully and use or create your own device mockups, explore various display resolutions, and harness advanced emulation features like touch fingerprint simulation, user-agent emulation, and breakpoint guide, all within a professional-grade environment built for high-quality development and debugging. Push your limits with an intuitive zoomable workspace, precise ruler and grid tools, and a sleek presentation mode called 'Coffee Mode' — think of this tool as a first-level approximation of how your digital experience looks and feels across multiple devices.

Limitations: While our tool provides comprehensive device simulations, it does not replace the need for physical device testing.

User reviews

These summaries are automatically generated weekly using AI based on recent user reviews. Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.
Pros
  • Great functionality and ease of use
  • Works well on localhost for some users
  • Lightweight with multiple interesting options
  • Useful for developers and testing
  • Regularly updated with new features
Cons
  • Does not work consistently on localhost for many users
  • Extension icon is hard to see in the browser
  • Lacks new mobile resolutions
  • Page refresh causes loss of settings
  • Custom resolutions cannot be saved
Most mentioned
  • Issue with localhost functionality
  • Need for improved visibility of the extension icon
  • Request for more mobile resolutions
  • Problems with restoring settings after refresh
  • Desire for custom resolution saving
User reviews
by Ben Mandel, 2024-12-03

I prefer the old version, rather than the current version.
by Zul Fikar, 2024-10-18

by Laura, 2024-10-14
View all user reviews

Extension safety

Risk impact

Viewport Resizer: Ultimate Device Emulator & Website Testing Tool requires a few sensitive permissions. Exercise caution before installing.

Risk likelihood

Viewport Resizer: Ultimate Device Emulator & Website Testing Tool has earned a good reputation and can be trusted.

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Promo images

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