100% Local Processing • No Server Uploads

Studio Quality
Audio Conversion

The best free audio converter for MP3, WAV, AAC, and OGG. Convert files directly in your browser. Powered by FFmpeg WASM for privacy and speed.

Launch Converter
podcast_intro_final.wav 48kHz • 24-bit → MP3 320kbps
Complete
interview_raw_take1.m4a Processing... 45%
Converting

Secure & Private

Why use an online converter that uploads your data? We use WebAssembly to process files 100% locally. Your audio never leaves your device.

Best Batch Converter

Drag and drop hundreds of files. We are the best free batch audio converter because there are no queue limits and it uses your CPU power directly.

Smart Tagging

Preserve ID3 metadata like Artist and Album automatically. The smart way to convert your music library without losing data.

Frequently Asked Questions

Is Audio Convert 360 free?

Yes, Audio Convert 360 is completely free to use. There are no limits on file size, number of files, or daily usage. It's the best free alternative to paid desktop software.

What is the best way to convert audio on Mac or Windows?

Because Audio Convert 360 runs in your browser, it works perfectly on Mac, Windows, Linux, and even Android/iOS. It's the fastest way to convert audio without installing suspicious software.

Do I need to upload my files?

No. Unlike other "cloud" converters, we process everything locally on your machine. This guarantees 100% privacy for your sensitive voice notes or unreleased music tracks.