Batch convert
Add multiple files and convert them all to the same output format.
Free Online Audio Converter
Convert MP3, WAV, M4A, FLAC, and OGG in your browser. Drag files, pick output format, download—free and private.
Drag & drop audio files
or click to choose files for batch conversion
MP3, WAV, M4A, FLAC, OGG · Up to 200 MB each
Processed locally in your browser — files never leave your device. Need more features offline? Try the Windows Audio Cutter.
Why Use This Free Online Audio Converter?
Batch convert common formats without installing software.
Popular formats
Export MP3, M4A, WAV, OGG, AAC, or FLAC depending on your needs.
Private processing
Conversion happens in your browser—files stay on your device.
How to Convert Audio Online in 3 Steps
Batch convert common formats without installing software.
1
Add audio files
Drag and drop audio files onto the page, or click Choose Files to select files for batch conversion.
2
Choose output format
Select MP3, M4A, WAV, OGG, AAC, or FLAC as the output format for all files in the queue.
3
Convert and download
Click Convert All. Download each converted file when processing completes.
Audio Converter FAQ
Which formats are supported?
Input: most common audio formats. Output: MP3, M4A, WAV, OGG, AAC, FLAC.
Is batch conversion free?
Yes. Add several files, pick a format, and click Convert All.
Are files uploaded?
No. FFmpeg.wasm runs locally in your browser.
Need Pro Audio Tools on Windows?
Videoradius Audio Cutter supports MP3, WAV, M4A, merge, fade, and 100% offline processing.