Do I have to convert my mp3 file to mp4 by adding blackout video track using handbrake ?

    • Zagorath
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      1 month ago

      Those are, as you noted, audio-less WEBM files, not MP4s (though it may have automatically transcoded a video into that format). It’s essentially a more-efficient form of animated GIF, not really a video in the sense that non-technical end-users likely think of it.