Theora to MPG - Online Video Converter
Convert Theora to MPG online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
About Theora to MPG
Convert Theora to MPG. Theora is Xiph's open video codec paired with Vorbis audio. MPG is the short-extension alias of the MPEG program-stream container. Same payload as MPEG; rename or convert without quality change..
Why convert Theora to MPG?
- Smaller files with MPG lossy compression.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
Theora vs MPG
| Animation | Yes | Yes |
|---|---|---|
| Transparency | No | No |
| Compression | lossy | lossy |
| Typical use | Theora is Xiph's open video codec paired with Vorbis audio. | MPG is the short-extension alias of the MPEG program-stream container. |
When not to convert Theora to MPG
- Skip MPG for archival masters: lossy compression discards detail, so keep the Theora original.
- Keep a master copy: repeated exports stack small losses, so archive Theora before batch MPG shares.
Limits
Starting point: Theora - Theora is Xiph's open video codec paired with Vorbis audio. Ogg multiplexing quirks can offset sync; verify after conversion. Same payload as MPEG; rename or convert without quality change. Encode MPG (MPEG-2 / MP2) from Theora at a bitrate near the source, and confirm the audio track before converting.
How conversion works
Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.