Audio Format Converter – Free Online
Convert MP3, WAV, OGG, FLAC, AAC, M4A audio files in your browser. Set bitrate and sample rate. Files are never sent to a server.
Drop your audio file here
Supports MP3, WAV, OGG, FLAC, AAC, M4A, OPUS · Multiple files supported
Done!
Frequently Asked Questions
Q. What audio formats are supported?
MP3, WAV, OGG, FLAC, AAC, M4A, OPUS, and AIFF can be used as input. Output formats include MP3, WAV, OGG, FLAC, AAC, M4A, and OPUS.
Q. Are my files stored on a server?
No. All conversion happens inside your browser only. Files are never sent to any external server.
Q. Why does the first conversion take longer?
The FFmpeg conversion engine (~30 MB) is downloaded once on first use. Subsequent conversions use the cached version and are much faster.