Color Blindness Simulator — Preview Images for Color Blind Users Free
See how images appear to people with Protanopia, Deuteranopia, Tritanopia, or Achromatopsia. Side-by-side comparison. Free, browser-based.
Click to upload or drag & drop
PNG, JPG, WebP
Frequently Asked Questions
100% Private
No Upload
Instant
What is Color Blindness Simulator — Preview Images for Color Blind Users Free?
A color blindness simulator applies color vision deficiency filters to any image, showing how it appears to people with various types of color blindness. This is an essential accessibility tool for designers and developers who want to ensure their graphics, UI, and visual content are understandable to users with color vision deficiencies. The four main types simulated are Protanopia (red-blind), Deuteranopia (green-blind), Tritanopia (blue-blind), and Achromatopsia (total color blindness). All processing runs in your browser using the Canvas API.
How to Use Color Blindness Simulator — Preview Images for Color Blind Users Free
- 1Upload an image by clicking or dragging onto the tool.
- 2Select the color vision deficiency type to simulate.
- 3The filtered image is shown side by side with the original.
- 4Switch between deficiency types to compare all views.
- 5Download the simulated image if needed.
Key Features
- Simulates Protanopia, Deuteranopia, Tritanopia, and Achromatopsia
- Side-by-side original vs. simulated view
- Runs in your browser using Canvas API
- No upload to server
- Download simulated output
Benefits
- Design accessible graphics for color blind users
- Check UI color choices for accessibility compliance
- Test charts and infographics for color vision accessibility
- Identify color combinations that are hard to distinguish
Why Use Irreva for Color Blindness Simulator — Preview Images for Color Blind Users Free?
Design accessible graphics for color blind users
Check UI color choices for accessibility compliance
Test charts and infographics for color vision accessibility
Runs 100% in your browser — files never leave your device.
No account, no sign-up, no subscription — free forever.
Works on any device: desktop, tablet, or mobile.