Convert MP3 to OGG
Makes OGG files with the modern Opus codec: smaller than MP3 at the same quality.
- 100% in your browser
- No upload
- No sign-up needed
- No watermark
How to convert MP3 to OGG
- Add your MP3
Drop an MP3 or any other audio file on the box above. Nothing is uploaded. - Choose quality
128 kbps Opus sounds as good as a 192 kbps MP3 for most music. - Convert to OGG
Download the .ogg file when it is ready.
Features
- No uploadProcessing happens on your device with WebCodecs, so even large files stay private.
- No sign-up needed, no watermarkUse every tool as often as you like. Your output is clean.
- Hardware acceleratedUses your device’s video encoder when available, so most jobs finish in seconds.
- Works on phone and desktopRuns in Chrome, Edge, Safari and Firefox on iPhone, Android, Windows and Mac.
Frequently asked questions
Are my files uploaded?
No. The file is read and processed by your browser. It never leaves your device.
Is it free?
Yes. There is no file limit and no watermark, and you don’t need an account.