polyshA little tool. A clearer workflow.
Free WebM Support Checker
WebM Support Checker: inspect your browser setup locally using native browser APIs. No upload or account required.
✓ Runs in your browser✓ No uploads✓ No account required
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How to use WebM Support Checker
- Review the information reported by your browser.
- For hardware tests, start the test and grant permission only when prompted. Stop the test when finished.
Know your result
Support reports reflect APIs exposed by this browser. Camera, microphone, and screen access can still be blocked by device settings, browser policy, or a non-secure connection.
Files and pasted content are processed on your device. Polysh does not receive your input through these tools.