Back to library
Test & PolishToolOpen sourceFree
Sim Daltonism
An open macOS and iOS app that simulates several vision conditions through a floating window or camera.
Visit official siteContent updated Aug 7, 2026Automated check reached the official site · Checked Aug 24, 2026
Why use it
Designers can scan editors, running games, and device interfaces for color-coding problems without repeated screenshot exports.
Where it fits
Use testing, performance, accessibility, and diagnostic tools to remove problems players will notice.
accessibilityvisual-design
What to check
Simulation is only an early signal and cannot replace color-blind players, while screen capture and camera use involve permissions and sensitive content.