01
Add files
Drop one or more files onto the stage, or pick them from disk.
Shrink uncompressed recordings into MP3 you can send, archive or play anywhere. Encoding happens on this page.
or click to choose from your device
0 upload. Files stay on your device. Nothing is uploaded.
Drop one or more files onto the stage, or pick them from disk.
Files convert as soon as you add them. Change settings and press Convert again.
Preview the result and download files one by one or as a ZIP.
WAV keeps every sample. That is ideal for editing, and terrible for sharing: a three-minute recording can be 30 MB. MP3 at 192 kbps is usually around a tenth of that, with a difference most people will not hear on laptop speakers.
This tool decodes the audio in your browser with the Web Audio API and encodes MP3 with LAME. Use 192 kbps for music, 128 kbps for voice, 256 kbps if you want extra headroom.
MP3 is lossy. For speech and most music, 192 kbps is a solid default. Keep the WAV if you still need to edit.
No. Conversion is local. We never see the recording.