Reduced Motion Preview Checker
Check CSS for a prefers-reduced-motion path when motion is present. Runs locally and returns a reviewable report.
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Input is limited to 200000 characters. Results are computed locally and exported as JSON. Up to 200,000 characters. Review the settings before running.
Your result
How to use Reduced Motion Preview Checker
- Paste the CSS rules.
- Run the local check.
- Review motion coverage and download the report.
Presence check
The checker finds a reduction path. Confirm the resulting experience in a browser with reduced motion enabled.