Color Blindness Simulator
Image ToolsPreview images as colorblind users see them
Embed this tool on your websiteFree
- Choose how tall the frame should be.
- Press Copy code.
- Paste it into your page, blog, WordPress or Notion HTML block.
The tool runs inside your visitor's browser, nothing is uploaded, and a small "Powered by ToolCloak" line stays under it. The second line (script) is optional: it makes the frame fit the tool's height.
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History
All history →Color Blindness Simulator — at a glance
Preview images as colorblind users see them.
How to use it — step by step
Just your input — nothing to install or sign up for.
Open or add your file
Add your file or start from the controls on the page.
Adjust settings
Change the options and see the preview update.
Run it
Press the main button to create your result.
Download
Save the result to your phone or computer.
Pro tips
Small things that make the result better.
Quick facts
Frequently Asked Questions
Is this medically exact?+
It is a close simulation useful for design checks, not a medical test.
Is my data safe?+
Yes. Everything runs inside your own browser. Your text, files and images are never uploaded to any server.
Is this tool really free?+
Yes — completely free, no signup, no watermark and no usage limit.