Viewport Resizer: Ultimate Device Emulator & Website Testing Tool
Overview
Emulate devices, resize screens, and perfect your web design effortlessly with this cutting-edge testing and presentation tool.
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.
Details
- Version2.0.4
- UpdatedDecember 16, 2025
- Offered byMalte Wassermann
- Size134KiB
- Languages41 languages
- Developer
Email
io@maltewassermann.com - Non-traderThis developer has not identified itself as a trader. For consumers in the European Union, please note that consumer rights do not apply to contracts between you and this developer.
Privacy
This developer declares that your data is
- Not being sold to third parties, outside of the approved use cases
- Not being used or transferred for purposes that are unrelated to the item's core functionality
- Not being used or transferred to determine creditworthiness or for lending purposes
