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.
What is Viewport Resizer: Ultimate Device Emulator & Website Testing Tool?
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.

Extension stats

Users: 80,000+
Rating: 4.19 (277)
Version: 2.0.3 (Last updated: 2024-11-19)
Creation date: 2019-12-28
Risk impact: Moderate risk impact
Risk likelihood: Very low risk likelihood
Manifest version: 3
Permissions:
  • activeTab
  • scripting
  • declarativeNetRequest
  • storage
Host permissions:
  • <all_urls>
Size: 146.43K

Other platforms

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 Chrome Web Store does not verify user reviews, so some user reviews may be inaccurate, spammy, or outdated.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
  • Useful for testing responsiveness of websites on different devices
  • Lightweight and easy to use
  • Works well in localhost environments for some users
  • Provides a lot of functionality without requiring subscriptions
  • It has helped users solve specific problems in displaying websites
Cons
  • Does not consistently work on localhost for several users
  • Page does not refresh properly when navigating with the extension active
  • The extension icon is difficult to see in some browser themes
  • Some users prefer older versions due to recent changes
  • Needs to be updated with new screen resolutions and sizes
Most mentioned
  • Issues with localhost functionality
  • Difficulty in seeing the extension icon
  • Request for updates to the default settings and features
  • Inconsistent performance when navigating between pages
  • Desire for saving custom resolutions/settings
Recent reviews
I prefer the old version, rather than the current version.
by Zul Fikar, 2024-10-18

by Laura, 2024-10-14

Hi, can you add the time ones to the navigation bar?
by Eric May, 2024-09-30
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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