🎧 Convert MP3 to OPUS

OPUS sounds like MP3 at half the weight — that's why WhatsApp uses it for voice notes. Convert your audio without uploading it, one file or several at once.

🎧

Tap to pick your audio files

you can pick several · .mp3 / .wav / .m4a

Your audio converts on your device. Nobody else hears it.

📊 On this device: 0 converted · 0 uploaded to the internet

1. PickThe audio files you want to convert.

2. ConvertThe magic happens on your device, not a server.

3. DownloadYour OPUS files, ready to share.

Why turn MP3 into OPUS?

If you send audio over WhatsApp, Telegram or email, OPUS takes half the space: it sends faster and uses less data at the same sound quality (64 kbps OPUS sounds like 128 kbps MP3). It's also the format Telegram voice notes and bots use.

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