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Supports: AV1
AV1 is the next-gen video codec. Opus is the next-gen audio codec. Together they represent the most efficient media pair available:
Extracting Opus audio from AV1 video gives you the most efficient audio format for streaming, VoIP, and web applications.
Competitors like convertio.co describes AV1 as "aimed to send high-quality videos via the internet quickly without losing quality even when bandwidth is low." soconvert.com notes Opus is "developed by the IETF, combining strengths of speech and music compression" delivering "high-quality sound at very low bitrates." ummyconverter.com offers "target bitrate 32-256 kbps" for Opus output.
| Format | Quality at 64kbps | Royalties | Best For |
|---|---|---|---|
| Opus | Excellent | Free | VoIP, streaming, web |
| AAC (M4A) | Good | Licensed | Apple devices |
| MP3 | Acceptable | Free (since 2017) | Universal playback |
| Vorbis (OGG) | Good | Free | Games, Linux |
Yes. Completely free with no sign-up required and no file count limits.
64kbps for voice/podcasts (sounds like 128kbps MP3). 128kbps for music. 192kbps for high quality.
Yes. Use the trim option to set start time and duration.
Yes. Upload multiple AV1 files and extract Opus audio from all of them.
Yes. Works in any modern browser on all devices — no app installation required.