Audio Converter
Switch audio files between MP3, WAV, FLAC, and more. Preview the result before you download.
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How to convert audio files in your browser
This free Audio Converter transforms audio files between MP3, WAV, OGG, FLAC, and AAC formats entirely in your browser. No upload, no signup, no watermark. Your files never leave your device. Powered by ffmpeg compiled to WebAssembly, it processes audio locally with no server queue and complete privacy.
Features
- Convert between MP3, WAV, OGG, FLAC, and AAC. No upload required
- Also accepts M4A, WMA, and WebM audio inputs
- Adjustable bitrate for lossy formats: 128k, 192k, 256k, 320k
- Preview input and output audio with built-in players
- File size comparison shows before and after
- No watermark, no signup, no usage limits
- 100% client-side. Private and free forever
Why use a browser-based audio converter?
Most audio converters upload your files to a server for processing. This converter is different. It processes everything in your browser using WebAssembly. That means faster processing with no queue, complete privacy for sensitive audio like voice recordings or podcasts, and no file size limits beyond your browser's memory. There are no watermarks and no signup required.
Whether you need to convert WAV files to MP3 for smaller file sizes, FLAC to WAV for audio editing, or any other combination, this tool handles it all with professional-quality encoding. The adjustable bitrate control lets you balance file size and audio quality for lossy formats.
Supported formats
Input: MP3, WAV, OGG, FLAC, AAC, M4A, WMA, WebM. Output: MP3 (LAME encoder), WAV (PCM 16-bit), OGG (Vorbis), FLAC (lossless), AAC. Works with audio from music players, voice recorders, podcasts, and video audio tracks.
Convert audio for any use case
Convert WAV or FLAC to MP3 for sharing and streaming. Convert MP3 to WAV for audio editing in DAWs. Convert to OGG for game development. Convert to FLAC for lossless archival. Convert to AAC for Apple devices and iTunes. All conversions happen instantly in your browser with no upload or queue.