Christian Heilmann

Microsoft Edge now allows you to simulate dark, light, high contrast mode, blurred vision and colour deficiencies right from the Device Emulation toolbar

Friday, April 28th, 2023 at 2:04 pm

I was incredibly excited to see that from Microsoft Edge 111 onwards you can now emulate different viewing modes and vision deficiencies right from the device emulation toolbar.

Viewing this blog in different display modes and visual deficiencies emulation right from the Device Emulation toolbar

This has been one of my pet projects that I really wanted to see come to live ever since I created the Skillshare Course on Accessibility testing in the browser and wrote the detailed documentation on how to test for accessibility in Microsoft Edge.

This new device bar makes it incredibly easy to see your product in:

  • Emulated dark/light mode
  • Forced colours mode even when you are not in Windows
  • Blurred display
  • Without colours or colour deficiencies

All from within the tool you use to test your responsive designs and mobile version of your product.

I am super stoked to see that this finally is live, after having put such a long time into it to make it work.

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Check out the Dev Digest Newsletter I write every week for WeAreDevelopers. Latest issues:

160: Graphs and RAGs explained and VS Code extension hacks Graphs and RAG explained, how AI is reshaping UI and work, how to efficiently use Cursor, VS Code extensions security issues.
159: AI pipelines, 10x faster TypeScript, How to interview How to use LLMs to help you write code and how much electricity does that use? Is your API secure? 10x faster TypeScript thanks to Go!
158: 🕹️ Super Mario AI 🔑 API keys in LLMs 🤙🏾 Vibe Coding Why is AI playing Super Mario? How is hallucinating the least of our worries and what are rules for developing Safety Critical Code?
157: CUDA in Python, Gemini Code Assist and back-dooring LLMs We met with a CUDA expert from NVIDIA about the future of hardware, we look at how AI fails and how to play pong on 140 browser tabs.
156: Enterprise dead, all about Bluesky and React moves on! Learn about Bluesky as a platform, how to build a React App and how to speed up SQL. And play an impossible game in the browser.

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