Audio Format Converter
Convert audio between MP3, WAV, OGG, FLAC, AAC, and M4A. Batch conversion with bitrate and sample rate control.
This may take a moment on first use (~31 MB download)
Drop audio files here or click to browse
Supports MP3, WAV, OGG, FLAC, AAC, M4A, WMA, AIFF — multiple files for batch conversion
Converted Files
Conversion Failed
About Audio Format Converter
Convert audio files between popular formats right in your browser. Supports batch conversion of multiple files. Powered by FFmpeg WebAssembly — everything runs locally and your files never leave your device. Adjust bitrate, sample rate, channels, and volume. Perfect for converting FLAC to MP3 for portable devices, WAV to OGG for web use, or any audio format conversion you need.
Format Guide
Before You Use This Tool
A quick overview of what this page is good for, how it handles data, and what to expect before you start.
What It Does
- Convert audio between MP3, WAV, OGG, FLAC, AAC, and M4A
- Batch conversion with bitrate and sample rate control
Access & Privacy
You can use the main workflow without creating an account.
The core workflow is designed for fast in-browser use. Review the page inputs before pasting sensitive information.
Good Fit For
- Handle short audio, video, webcam, or export tasks online.
- Create lighter media files for sharing or posting.
- Test simple edits before moving into a full editor.
Large files can take longer on older phones or low-memory devices because processing happens on your device.