Convert MP3 audio files to OGG Vorbis format. Open-source, royalty-free audio. 100% browser-based.
Drag & Drop MP3 file here
MP3 files only · Click to browse
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Processed Today
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Latency
100%
Browser-Based
Nothing uploaded — all browser-based.
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Knowledge Base
OGG is preferred for web games and HTML5 audio because it is patent-free and often produces smaller files than MP3 at the same quality level.
No. MP3 is lossy so converting to OGG does not recover lost quality. For best results start from an uncompressed WAV source.
OGG is supported in Chrome, Firefox and Edge but not in Safari. Always provide an MP3 fallback using the HTML5 audio source element.
Yes. FFmpeg.wasm converts in your browser. No files are uploaded, completely free with no signup or file size limits.