Convert any video file to Opus format online for free. Fast, secure, and easy-to-use video to Opus converter with no software installation required.
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Max file size: 50 MBMax duration: 30 min
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Drag and drop your AVI file, or click to browse for it.
Choose Opus as the output and click Convert. The conversion runs on our servers, so your device does none of the work.
Download your converted file instantly. The download link expires in 1 hour for security.
Our powerful servers process your files quickly, delivering converted files in seconds.
Convert your files completely free with no hidden costs or subscription fees.
Your file is used only to make your conversion. It is never published or shared, and the download link expires after one hour.
Works directly in your web browser. No software download or installation required.
How the two formats differ on the things that change your result.
| Specification | AVI (source) | Opus (result) |
|---|---|---|
| Container | RIFF AVI | Ogg |
| Developed by | Microsoft | Xiph.Org / IETF |
| Introduced | 1992 | 2012 |
| Audio codecs | MP3, PCM, AC-3 | Opus |
| Compression | Depends on codec | Lossy |
| Approx. file size | 15–90 MB per minute | 0.48–1.44 MB per minute |
| Metadata / tags | — | Vorbis comments |
| Licensing | Patents expired | Royalty-free |
| Plays natively on | Native: Windows · Needs a player: macOS, iOS, Android, Smart TVs | Native: Web browsers, Android · Needs a player: Windows, macOS, iOS |
| Best for | legacy archives, Windows media libraries | voice and calls, podcasts, web delivery |
This extracts the audio and discards the video entirely. The soundtrack inside a AVI file is typically MP3, and it is re-encoded to Opus on the way out.
Expect a much smaller file. Video accounts for most of the bytes, so about 53 MB per minute becomes roughly 1 MB per minute of Opus.
When a video holds several audio tracks, the main one is extracted; alternate language tracks are not merged into the result.
Extracting Opus audio from a AVI video pulls the soundtrack out of the RIFF AVI container and writes it as a standalone Ogg file. The video stream, which holds most of the data, is discarded.
Developed by Microsoft in 1992, AVI carries MPEG-4 Part 2, DivX, or Xvid video and MP3, PCM, or AC-3 audio. That combination sets the upper bound on what any conversion can preserve.
Opus was introduced by Xiph.Org / IETF in 2012. It holds lossy-compressed audio (Opus) and plays natively on web browsers and Android.
After converting your file, you can use Scriptivox transcription services to convert your audio to text. Perfect for meetings, interviews, podcasts, and more.
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