Theora to AMV - Online Video Converter
Convert Theora to AMV online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
About Theora to AMV
Convert Theora to AMV. Theora is Xiph's open video codec paired with Vorbis audio. AMV is the low-resolution player format for portable media devices. Odd frame dimensions get padded, so check borders after conversion..
Why convert Theora to AMV?
- Smaller files with AMV lossy compression.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
Theora vs AMV
| Animation | Yes | Yes |
|---|---|---|
| Transparency | No | No |
| Compression | lossy | lossy |
| Typical use | Theora is Xiph's open video codec paired with Vorbis audio. | AMV is the low-resolution player format for portable media devices. |
When not to convert Theora to AMV
- Skip AMV 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 AMV 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. Odd frame dimensions get padded, so check borders after conversion. Encode AMV (MPEG-4 / MP3) 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.