Convert Opus to MP3

Opus is the better codec, but it's young enough that plenty of hardware and software won't play it. MP3 is the format that always works, and that compatibility is the entire reason for this conversion - the audio itself gets no better.

Drop Opus file(s) to start

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What is Opus?

The best-sounding lossy codec at low bitrates by a comfortable margin, which is why it carries the audio in nearly every voice and video call you make. Royalty-free, equally good on speech and music, and usually wrapped in an Ogg container. It always runs at 48kHz internally.

What is MP3?

The format that made digital music portable, and thirty years on it's still the safest bet that a file will simply play - any device, any car, any decade-old bit of hardware. It's lossy, its patents expired in 2017, and no browser has ever been able to write one, which is why encoding it here needs LAME.

Your files never leave your device · no magic required