Convert MP3 to OGG online
Re-encode MP3 files as OGG Opus for games, web projects and apps that prefer open formats. Set the bitrate, convert in batches and keep your files on your device.
Your files stay on your device: they are processed in this browser tab’s memory and never uploaded.
Why OGG Opus
Opus is an open, royalty-free codec that sounds good at low bitrates. Game engines, web apps and voice tools often prefer it.
Settings that work
Opus always runs at 48 kHz. A bitrate of 128 kbps is more than enough for most sound effects and music in a game or on a website.
FAQ
Which codec does the OGG file use?
Opus, in an OGG container.
Does it play in browsers?
Yes. All current major browsers can play OGG Opus.
Is my MP3 uploaded?
No. It is encoded inside this browser tab.
What can you do with an audio converter?
Editors turn phone recordings into WAV files that every timeline accepts; podcasters export a small MP3 from a large master; musicians archive takes as lossless FLAC; and anyone stuck with a file a device refuses to play can switch it to a format that works everywhere.