What this tool does
Color Blindness Simulator: free online Design & Color tool with clear controls, private processing where supported and verifiable results.
Input and output
Simulate color: one optional image → the Color Blindness Simulator result, which you can copy and download when the tool produces a file
How to use Color Blindness Simulator
- Provide one optional image.
- Leave Color at its default "#e53e3e" or choose another value.
- Leave Simulation at its default "deuteranopia" or choose another value.
- Press "Simulate color" and review the result in the panel on the right.
- Download or copy the Color Blindness Simulator result, which you can copy and download when the tool produces a file.
Settings
Privacy and limitations
- Color Blindness Simulator runs entirely in your browser: the input is not uploaded, so it never leaves your device.
- Output: the Color Blindness Simulator result, which you can copy and download when the tool produces a file.
- Results depend on valid input and on the limits declared by each field above; this page does not promise a fixed processing time or file size.
Frequently asked questions
- Is my data uploaded when I use Color Blindness Simulator?
- No. This tool runs entirely in your browser, so the input stays on your device and is not uploaded.
- Which input does it accept?
- It accepts one optional image.
- What do I get back?
- After you press "Simulate color" the result panel shows the Color Blindness Simulator result, which you can copy and download when the tool produces a file, which you can copy or download.
- Can I change the settings?
- Yes. The page exposes Simulation (Protanopia, Deuteranopia, Tritanopia, Achromatopsia).
