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MP4 to OGV - Online Video Converter
Convert MP4 to OGV online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert MP4 to OGV
Drop MP4 video here or click to select
MP4
OGV (Theora / Vorbis)
About MP4 to OGV
Convert MP4 to OGV. MP4 pairs H.264 video with AAC audio in the ISO base media container. OGV carries Theora video with Vorbis audio in an Ogg container. Hardware support is thin, so convert for phones and editors..
Why convert MP4 to OGV?
- Smaller files with OGV lossy compression.
- Keep animation and transparency where supported.
- Private, no upload - runs in your browser.
MP4 vs OGV
| Animation | Yes | Yes |
|---|---|---|
| Transparency | No | No |
| Compression | lossy | lossy |
| Typical use | MP4 pairs H.264 video with AAC audio in the ISO base media container. | OGV carries Theora video with Vorbis audio in an Ogg container. |
When not to convert MP4 to OGV
- Skip OGV for archival masters: lossy compression discards detail, so keep the MP4 original.
- Keep a master copy: repeated exports stack small losses, so archive MP4 before batch OGV shares.
Limits
Starting point: MP4 - H.264 video with AAC audio in one file. H.264 has no alpha channel, so transparency is dropped. Hardware support is thin, so convert for phones and editors. Encode OGV (Theora / Vorbis) from MP4 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.
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FAQ
How do I convert MP4 to OGV?
Drop your MP4 file onto this page, choose quality and codec settings, then click Convert. The result downloads as OGV instantly. All processing runs in your browser.
What codec is used for OGV?
The default codec for OGV is Theora / Vorbis. You can change the video and audio codec in Advanced mode.
How do you store my files?
We do not store any processed videos. All conversion happens entirely in your browser using FFmpeg WASM.