Free is enough for most one-off jobs. Pro raises the file and batch caps; Pro + Media unlocks GB-scale streaming and unlimited duration.
Larger files supported on Developer (5 GB CSV) and Enterprise (unlimited). All processing happens in your browser — files never reach a server.
Drop your OGG file
Choose MP3 bitrate
Download the MP3
0 bytes uploaded. OGG to MP3 Converter runs entirely in your browser using FFmpeg.wasm 8.1, RNNoise, and the Web Audio API. Your audio stays on your device at all times. No data is sent to any server — critical for sensitive interviews and confidential calls.
Both formats are lossy, so going between them adds a generation of compression. Use 256 kbps or higher MP3 to minimise audible loss.
Convert iTunes M4A and Apple Voice Memo files to universally-compatible MP3. Choose bitrate, preserve metadata.
Open toolConvert Opus voice notes (WhatsApp, Telegram, Discord) to MP3. 100% local — your messages never leave your device.
Open toolEncode WAV files to MP3 with selectable bitrate (64-320 kbps). LAME-quality encoding via FFmpeg 8.1 — locally.
Open tool