Browser edition: files stay on your device. Up to 100 MB total and 10 minutes. First use downloads a 32 MB engine. Some formats depend on codec support. Public-link downloading is not ready on this free deployment.
Convert MP4 to OGG
Convert MP4 to OGG online for free. Extract the audio track at the bitrate you choose.
How to convert MP4 to OGG
- Add your fileDrop it on the page, choose it from your device, or paste it with Ctrl+V.
- ConvertAdjust settings if you like, then press the button. You'll see live progress.
- Browser processing uses original files on your device. Public-link downloading is unavailable.
What happens to your file
MP4 files are common for sharing, uploading to social networks, playing on any device, but not every app or device opens them. OGG is ideal for games, open-source apps, web audio. Spool converts MP4 to OGG with FFmpeg — real decoding and encoding, not a renamed file extension.
Audio only. Spool drops the video stream and keeps the soundtrack. The audio is encoded to OGG at the bitrate you choose (192 kbps by default). Tags such as title and artist are carried over when present.
Settings
- Audio bitrate — 320 kbps · best, 256 kbps, 192 kbps · standard, 128 kbps · small, 96 kbps, 64 kbps · voice
- Channels — Original, Mono
- Sample rate — Original, 48 kHz, 44.1 kHz, 22 kHz
MP4 vs OGG
| MP4 | OGG | |
|---|---|---|
| Full name | MPEG-4 Part 14 | Ogg Vorbis |
| Created by | ISO / MPEG, 2001 | Xiph.Org Foundation, 2000 |
| Type | Video container | Lossy audio |
| Typical contents | H.264 or H.265 video with AAC audio | Vorbis (lossy) |
| Best for | sharing, uploading to social networks, playing on any device | games, open-source apps, web audio |
| Strength | Plays everywhere, including iPhone, Android, Windows and macOS | Open and royalty-free |
| Weakness | Lossy: every re-encode loses a little quality | Not supported natively by iPhone or many car stereos |
About MP4
- Type
- MPEG-4 Part 14
- Contains
- H.264 or H.265 video with AAC audio
- Use
- sharing, uploading to social networks, playing on any device
About OGG
- Type
- Ogg Vorbis
- Contains
- Vorbis (lossy)
- Use
- games, open-source apps, web audio
FAQ
What bitrate should I choose for OGG?
192 kbps is a good default for music. Choose 320 kbps for the best quality, 128 kbps for podcasts and voice, 64 kbps for small voice notes.
Can I convert several MP4 files at once?
Yes. Drop up to 10 files at a time — each one is converted in parallel and you can download them individually or all at once.
Is there a file size limit?
Convert and edit files on your device. The browser edition accepts up to 100 MB total, media up to 10 minutes and video up to 4K. Codec availability and device memory can limit individual jobs.
Is this MP4 to OGG converter free and safe?
Yes. There are no pop-ups, redirects or fake download buttons, and no software to install. Files are transferred over HTTPS, processed in isolated job folders and deleted automatically.