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Extract the audio from your MP4 video and encode it as OGG Vorbis — the open-source audio format. Great for web games, Linux audio workflows, and open-format enthusiasts.
By ChangeThisFile Team · Last updated: March 2026
ChangeThisFile extracts audio from your MP4 video and encodes it as OGG Vorbis using FFmpeg on our secure servers. OGG is a free, open-format alternative to MP3 with excellent quality. Files are auto-deleted after conversion, completely free with no signup needed.
MP4 vs OGG: Format Comparison
Key differences between the two formats
| Feature | MP4 | OGG |
|---|---|---|
| Type | Video container (audio + video) | Open-source audio container (Vorbis codec) |
| License | Patented codecs (H.264, AAC) | 100% free and open-source, no royalties |
| Audio quality | Dependent on AAC/MP3 stream inside | Excellent quality via Vorbis encoder |
| File size | Large (video dominates) | Small — comparable to MP3 at same bitrate |
| Compatibility | Universal video players | Linux, VLC, Firefox, web browsers, Android |
| Web support | Requires video tag | Direct HTML5 audio tag support in most browsers |
| Metadata | Title, chapters, subtitles | Vorbis comments (artist, album, track, etc.) |
| Use case | Video playback | Web games, Linux audio, open-source projects |
When to Convert
Common scenarios where this conversion is useful
Add audio to HTML5 web games
OGG Vorbis is widely supported in web browsers for HTML5 game audio via the Web Audio API. Extract game soundtrack or sound effect audio from MP4 cutscene files and convert to OGG for use in your game engine.
Create audio for Linux-based workflows
OGG is the preferred audio format on many Linux distributions and media players like Rhythmbox, Clementine, and Amarok. Convert MP4 audio to OGG for a fully open-source audio library.
Distribute audio without codec licensing concerns
OGG Vorbis carries no patent or licensing restrictions. Developers embedding audio in applications or open-source software often prefer OGG to avoid legal complexity around MP3 and AAC patents.
Extract podcast audio for open-platform distribution
Convert video podcast recordings from MP4 to OGG for distribution on platforms that support open formats. Some podcast aggregators and open-source podcast apps prefer or require non-proprietary formats.
Optimize audio for web page background sound
OGG is an excellent choice for background music on websites because it is natively supported by Chrome, Firefox, and Edge without plugins. Extract video audio to OGG for compact, high-quality web audio assets.
Who Uses This Conversion
Tailored guidance for different workflows
Podcasters
- Pull the audio from a recorded MP4 interview or webinar and publish it as a OGG episode
- Convert a MP4 livestream recording to OGG so listeners can catch up on the go
Musicians & Producers
- Extract a performance take from a MP4 video into OGG to edit in your DAW
- Rip reference audio from a MP4 clip to OGG for sampling or transcription
Content Creators
- Convert a MP4 recording to OGG to reuse the soundtrack as background audio or a voiceover
- Turn a MP4 talk into a OGG audiogram or clip for social platforms
How to Convert MP4 to OGG
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1
Upload your MP4 file
Drag and drop your .mp4 file onto the converter, or click to select it. The free tier accepts files up to 25MB; eligible paid browser access accepts up to 100MB.
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2
Server-side OGG encoding
Your file is uploaded over HTTPS and FFmpeg extracts the audio track, encoding it as OGG Vorbis. The video stream is discarded. Processing typically takes just a few seconds.
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3
Download your OGG file
Click Download to save the .ogg file to your device. The original MP4 and converted OGG are automatically deleted from our servers.
Developers: convert via API →
Frequently Asked Questions
OGG is a free, open-source container format that typically holds Vorbis-encoded audio. Unlike MP3, OGG Vorbis has no patent restrictions and generally delivers better audio quality at the same file size. It is especially common in Linux, web, and open-source contexts.
OGG Vorbis is natively supported in Chrome, Firefox, Edge, and Opera via the HTML5 audio element. Safari has added OGG support in recent versions, though support was historically limited on iOS.
FFmpeg encodes OGG at a high variable bitrate by default, typically equivalent to 192 kbps or higher. The quality ceiling is set by the source audio in the MP4, as re-encoding cannot recover quality lost by the original encoding.
Yes. OGG Vorbis supports up to 255 audio channels, including stereo, 5.1 surround, and beyond. Multi-channel MP4 audio will be preserved in the OGG output.
OGG Vorbis is a lossy format like AAC and MP3. The conversion from MP4 to OGG involves re-encoding, but at a high target quality the difference from the source is generally imperceptible.
Yes. Android has supported OGG Vorbis natively since Android 1.0. It plays in the default media player and all major third-party players.
Yes. Godot uses OGG Vorbis as its primary streaming audio format. Unity also supports OGG for streaming audio clips. Converting MP4 audio to OGG is a common step in game audio workflows.
Yes. Files are transferred over HTTPS and deleted automatically from our servers right after conversion. We do not store, view, or share your files.
ChangeThisFile is a free tool with no terms restricting how you use the converted files. The OGG format itself is also fully open and royalty-free for any purpose including commercial use.
Both OGG and Opus use the OGG container. Opus is a newer codec optimized for speech and low-latency streaming, while Vorbis (OGG) is optimized for music at higher bitrates. For music extraction from MP4, OGG Vorbis is typically the better choice.
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