MP3 to OGG Converter
OGG Vorbis is the audio format Unity and Godot use natively, and what Discord and Spotify (Vorbis-based) emit on the wire. It's also patent-free, which matters if you're building game assets or open-source software. Going from MP3 to OGG is a re-encode between two lossy codecs. Pick the right bitrate and the loss stays inaudible.
How it works
Drop the MP3
Any bitrate, any sample rate.
Up to 200 MB
Pick a target quality
The default Vorbis quality 6 is roughly comparable to 192 kbps MP3. For Unity/Godot game audio, that's the safe target. For music libraries, push to 256 kbps. Don't go below 96 kbps unless it's voice.
Encoder: libvorbis · q=6 default · CBR via -b:a
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The .ogg container holds a single Vorbis stream. What every game engine, web audio player, and open-source music app expects.
Standard Ogg/Vorbis stream
For game devs
The format Unity and Godot actually want
Both Unity and Godot import OGG natively, while MP3 often gets converted at runtime and drags your asset pipeline. OGG Vorbis is also completely patent-free, no licensing to worry about when you ship a game or an open-source project. Drop your music and SFX in, pick the quality, and get engine-ready files.
Smaller bundles
Shave asset size where it counts, especially on mobile
Every kilobyte in an asset bundle matters on a mobile build, and Vorbis tends to sound a touch cleaner than MP3 at the same low bitrate, so you can drop the bitrate further before anyone notices. That's real download-size savings across a project full of clips, without the audio turning to mush.
Honest note
Encode from a lossless source when you can
Going MP3 → OGG is one lossy codec to another, so it can only hold quality steady or lose a little, it can't undo the MP3's existing artifacts. If you still have the original WAV or FLAC, encode the OGG from that for the cleanest result. If MP3 is what you've got, this keeps as much as there is to keep, right in your browser.
Frequently asked questions
Why use OGG instead of MP3?
Three reasons. One: it's patent-free and royalty-free, which matters for open-source projects and indie game devs. Two: Unity and Godot import OGG natively. MP3 import in Unity requires conversion at runtime, which slows asset pipelines. Three: at the same bitrate Vorbis usually sounds slightly cleaner than MP3, especially below 192 kbps.
Will the OGG sound better than the source MP3?
No. Re-encoding a lossy file to a different lossy codec can only preserve or degrade quality. The OGG won't fix MP3 artifacts. To get the best OGG, encode it from a lossless source (WAV or FLAC), not a re-encoded MP3.
What bitrate for game audio?
Music: 192 kbps OGG is fine for most games. SFX: 96-128 kbps for short clips, mono unless the SFX has stereo information. Voice: 64-96 kbps mono. Lower bitrates save asset bundle size, which matters for mobile builds.
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