Audio converter

Convert media files to MP3 directly in your browser. Supported input files: MP4, M4A, OGG, MP3, WAV. Maximum file size: 250 MB.

Input file

Output mode

Stereo MP3 256 kbps 2 channels at 256 kbps constant bitrate Mono MP3 256 kbps 1 channel at 256 kbps constant bitrate. Select this for projects using DF Player Mini MP3 module. Mono WAV 44.1 kHz 1 channel uncompressed WAV at 44.1 kHz. Select this for projects playing from ESP32/Pico directly.

Status

Select a media file to begin.

Progress

All conversion happens locally in your browser. Files are not uploaded to the server.