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Supports: MPG, MPEG
An .mpeg file is an MPEG program stream — a video container that usually carries MPEG-2 video alongside an MP2 audio track. A .weba file is the audio-only side of WebM: a WebM container holding an Opus or Vorbis audio stream. This conversion pulls the audio out of the MPEG, discards the video, and re-encodes it into the compact, web-native WebM audio format — useful when you only want the soundtrack and want it small enough to stream or host on a page.
| Property | Value |
|---|---|
| Container | MPEG program stream (MPEG-PS) |
| Standard | MPEG-1 Part 1 / MPEG-2 Part 1 (Systems) |
| Typical video codec | MPEG-2 Video (H.262) |
| Typical audio codec | MP2 (MPEG-1 Audio Layer II) |
| Common origin | DVD-Video, video capture hardware, older camcorders |
| Holds | Multiplexed video + audio in one stream |
| Best for | Disc authoring and archival playback, not the web |
| Property | Value |
|---|---|
| Container | WebM (audio-only subset) |
| Audio codec | Opus or Vorbis |
| MIME type | audio/webm |
| Origin | Google's WebM project, royalty-free and open |
| Browser support | ~96% globally — Chrome 25+, Firefox 28+, Edge 79+, Opera 16+, Safari 16+ |
| Best for | Web audio, low-bitrate streaming, voice and music on a page |
| Opens in | VLC, Firefox, Chrome, and any player with WebM/Opus support |
.mpeg or .mpg file, or click "Add Files" to browse. You can queue several files at once..weba file. Files are uploaded over an encrypted connection, processed on our servers, and deleted automatically after a few hours — no sign-up, no watermark.A .weba file is the audio-only form of WebM — a WebM container holding an Opus or Vorbis stream. The "web" stands for the World Wide Web and the "a" for audio. It plays natively in Firefox, Chrome, Edge, and Opera, and in desktop players like VLC. Safari added WebM support in version 16, so very old Safari builds may not play it directly.
Some, yes — but not in a way most listeners notice. The MP2 audio in an MPEG file is already lossy, and re-encoding it to Opus (the codec WEBA typically uses) is a lossy-to-lossy step, so no detail is recovered. What you gain is efficiency: Opus delivers comparable or better quality than MP2 at a much lower bitrate, so the resulting .weba is far smaller for similar perceived quality.
WEBA (WebM/Opus) is the better fit when the audio is destined for a web page or app: it is royalty-free, encodes more efficiently than MP3 at low bitrates, and is supported natively by modern browsers. MP3 remains the safer pick for maximum device compatibility — old hardware players and car stereos read MP3 but not WEBA. If broad compatibility matters more than file size, use MPEG to MP3 instead.
No. WEBA is an audio-only format, so the conversion extracts the audio track and discards the MPEG-2 video. If you want to keep the picture, convert to a video format instead. If you only need the soundtrack, WEBA is the right target.
Opus is efficient enough that 96–128 kbps stereo sounds transparent for most music, and 48–64 kbps is plenty for speech or podcasts. In our testing, a 3-minute MP2 audio track at 224 kbps re-encoded to Opus at the Very High preset produced a .weba file roughly a third of the original size with no audible difference on speech content. Use Custom Bitrate if you need a specific number, or Specific file size to hit an exact target.
They are close cousins, not the same. Both can carry Opus or Vorbis audio, but WEBA uses the WebM container while OGG uses the Ogg container. For web playback they behave similarly; if you specifically need an Ogg wrapper, use MPEG to OGG. To shrink an existing WebM audio file further, see the WEBA compressor.