Multi-Format Audio Converter
Every Common Audio Conversion, One Tool
Need to use Multi-Format Audio Converter right now?
Each output format uses settings appropriate to that specific format, not one generic setting.
Drop an audio file, or click to browse
Processed locally in your browser — never uploaded
One tool for any audio format swap — pick your target and this decodes the source and re-encodes it, all locally in your browser.
Features
- Runs entirely in your browser
- Privacy-first — your data is never uploaded
- Real-time, instant results
- 100% free, no sign-up required
- Works on desktop, tablet, and mobile
- No installation needed
Who uses this tool?
About Multi-Format Audio Converter
Rather than needing a separate dedicated tool for every specific format pair (MP3 to WAV, WAV to OGG, OGG to FLAC, and so on), this tool covers all of the common audio format conversions from one interface — pick your source file, choose the target format, and get the converted result.
A real FFmpeg build compiled to WebAssembly handles the decoding and encoding entirely inside your browser, supporting five common output formats: MP3 for general compatibility, WAV for uncompressed lossless output, OGG for the open Vorbis codec, FLAC for lossless compression, and AAC (.m4a) for Apple's ecosystem — each encoded with settings appropriate to that specific format rather than one generic setting applied everywhere.
The source format doesn't need to match any specific list, since FFmpeg decodes whatever audio format you upload before re-encoding it into your chosen target — this makes the tool genuinely universal on the input side, not just flexible on the output side.
This is the most general-purpose audio conversion tool on the site — for a specific, named format pair (like MP3 to WAV specifically), the dedicated tools for that pair exist too and work identically, just with the target format already chosen for you.
How it works
- Upload your audio file. Any format your browser's FFmpeg build can decode.
- Choose your target format. MP3, WAV, OGG, FLAC, or AAC.
- Convert and download. The re-encoded file in your chosen format.
Examples
Converting to a specific target format
Input
audio file, FLAC selected as output
Output
a losslessly-compressed FLAC file