Convert MP4 to OGG online in seconds — free, with no sign-up. OGG is lossy and ideal for open-source projects and web audio. Your files are encrypted and deleted automatically after 24 hours.
MP4
MPEG-4 (H.264) — The universal video container — plays on virtually every device, browser and platform.
How to convert MP4 to OGG
- 1Upload your MP4 file
Click “Choose a file” or drag and drop your MP4 file onto the page — no sign-up or email needed.
- 2Convert to OGG
OGG is already selected as the output. Open Options to fine-tune quality if you like, then click Convert.
- 3Download your OGG file
Your OGG file is ready in seconds — click Download to save it. Files are automatically deleted after 24 hours.
MP4 vs OGG
| MP4 | OGG | |
|---|---|---|
| Full name | MPEG-4 (H.264) | Ogg Vorbis |
| Type | Video | Audio |
| Compression | Lossy | Lossy |
| Best for | sharing and publishing video anywhere | open-source projects and web audio |
Frequently asked questions
Does converting MP4 to OGG lose quality?
Both MP4 and OGG use compression, so re-encoding discards a little more data. For a single conversion the change is imperceptible to the ear; just avoid repeatedly re-converting the same file.
What's the difference between MP4 and OGG?
MPEG-4 (H.264) (MP4) is lossy and best for sharing and publishing video anywhere. Ogg Vorbis (OGG) is lossy and best for open-source projects and web audio. Convert MP4 to OGG when you need a audio for open-source projects and web audio.
Is the MP4 to OGG converter free?
Yes — converting MP4 to OGG is completely free. There's no watermark, no sign-up and no email required, and you can convert as many files as you like.
Are my MP4 files private and secure?
Yes. Your uploads are encrypted in transit, processed privately, and automatically deleted within 24 hours. We never share, sell or look at your files.
Can I convert MP4 to OGG on iPhone, Android, Mac or Windows?
Yes. The converter runs entirely in your browser, so it works on any device — iPhone, iPad, Android, Mac, Windows or Linux — with nothing to download or install.
How long does it take to convert MP4 to OGG?
Most files convert in a few seconds. Larger files take a little longer, and your upload speed is usually the limiting factor. There's no queue and no waiting for an email.
What else can I convert MP4 files to?
Besides OGG, you can convert MP4 to AAC, AVI, FLAC, FLV, GIF, JPG and more — see the full list of MP4 conversions below.
Other conversions
Last updated July 2026