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Which Firefox PiP control is missing?

Choose what you know about the page. This helper applies Mozilla's documented display conditions. It does not inspect your browser or verify playback.

Muted sound does not establish that the file has no audio track.

Choose the facts you know

Unknown inputs will stay unknown.

No accounts, tracking, uploads or saved answers. This is a manual explanation of display conditions, not a compatibility test.

Mozilla's Picture-in-Picture documentation ยท Checked October 10, 2026