Colorblind Filter
🎉 Extension installed

You’re ready to see the web your way.

Pin Colorblind Filter, choose the mode that matches what you want to do, and run the 1-minute calibration if you want help finding an adjustment.

1

Pin Colorblind Filter

Open Chrome’s Extensions menu and pin Colorblind Filter so it stays one click away in your toolbar.

Chrome Extensions menu showing how to pin Colorblind Filter
2

See through their eyes

Switch to Through their eyes, choose a color-vision type, and set the intensity to simulate how the current page may be perceived.

Colorblind Filter Through their eyes mode with the simulation controls highlighted
3

Make colors work for you

Use For my eyes to choose a Protan, Deutan, or Tritan adjustment and tune its intensity for more comfortable browsing.

Colorblind Filter For my eyes mode with personal adjustment controls highlighted
4

Calibrate your eyes

Not sure which adjustment to use? Open Calibrate to your eyes and complete the short Ishihara-style screening to help find a suitable filter and strength.

Colorblind Filter calibration flow from the Calibrate to your eyes button to the screening question
✓
Everything runs locally in your browser.Your browsing data does not need to leave your device for Colorblind Filter to apply its visual adjustments.