Convert audio files between MP3, WAV, FLAC, AAC, OGG, M4A, and WMA formats instantly. Batch process multiple files. 100% free, no signup, all processing happens in your browser.
Audio Converter
Load the audio engine to start converting files. Processing happens entirely in your browser.
Convert between MP3, WAV, FLAC, AAC, OGG, M4A, and WMA
Batch convert multiple audio files at once
Drag and drop file upload
No file size limits
Preserves audio quality during conversion
Download individual or all converted files
See file size comparison (original vs converted)
100% client-side processing with FFmpeg
No file upload to server - complete privacy
Works on all devices and browsers
Convert your music library between formats for compatibility with different players and devices.
Convert raw audio recordings to MP3 or AAC for podcast distribution on all platforms.
Transform voice memos and dictation recordings into universally compatible formats.
Convert audio files to web-friendly formats like OGG and MP3 for website integration.
Convert audio to lossless FLAC or WAV format for long-term preservation and archival storage.
Convert audio files to formats supported by your phone or tablet for on-the-go listening.
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The fastest, most private way to convert audio files online. Your files never leave your device.
Convert between MP3, WAV, FLAC, AAC, OGG, M4A, and WMA with a single click.
Audio files never leave your device. All conversion happens locally in your browser.
Powered by FFmpeg WebAssembly for near-native speed audio processing.
Convert multiple audio files simultaneously. No limits on quantity or file size.
Use on any device with a modern browser. No software installation required.
Download converted files immediately. No waiting, no email, no signup needed.
Choose the right format for your use case
| Format | Best For | Compression | Quality | File Size |
|---|---|---|---|---|
| MP3 | Music, podcasts, general audio | Lossy | Good | Small |
| WAV | Professional editing, studio work | Uncompressed | Excellent | Very Large |
| FLAC | Archival, audiophile listening | Lossless | Excellent | Large |
| AAC | Streaming, Apple devices | Lossy | Very Good | Small |
| OGG | Web audio, gaming, open source | Lossy | Very Good | Small |
| M4A | Apple ecosystem, iTunes | Lossy/Lossless | Very Good | Small to Medium |
More free tools for audio and media
Audio conversion is essential for device compatibility, storage optimization, and media distribution. Different players and platforms support different formats. Our free audio converter lets you switch between MP3, WAV, FLAC, AAC, OGG, M4A, and WMA formats instantly in your browser.
Unlike CloudConvert, Convertio, or Zamzar which upload your files to their servers, our converter processes everything locally in your browser using FFmpeg WebAssembly. Your audio never leaves your device, ensuring complete privacy for sensitive recordings.
For general use and maximum compatibility, MP3 is the safest choice. For professional audio work and archival, use FLAC or WAV to preserve full quality. AAC and M4A work best with Apple devices and streaming services. OGG is ideal for web applications and open-source projects.
Need to convert an entire music library or batch of recordings? Our batch processing feature handles unlimited files simultaneously. Drag and drop all your audio files, select your target format, and download everything at once. No limits, no signup, completely free.