Free Online Audio Converter

Convert, record, and analyze audio files directly in your browser. 100% private - no uploads required.

Drop audio files here or click to browse

Supports MP3, WAV, OGG, FLAC, AAC, M4A, WebM

Loading audio engine...
Downloading ~25MB, please wait
00:00

Drop an audio file to analyze

Get detailed information about format, bitrate, duration and more

About This Audio Converter

This free online audio converter runs entirely in your browser using WebAssembly technology. Your files are never uploaded to any server - all processing happens locally on your device for maximum privacy and speed.

Supported Formats

MP3

Most popular format, great compatibility with all devices.

WAV

Uncompressed, lossless quality for professional use.

OGG Vorbis

Open-source format with excellent quality at smaller sizes.

FLAC

Lossless compression, perfect for archiving music.

AAC

Advanced codec with better quality than MP3 at same bitrate.

WebM

Web-optimized format, great for browser playback.

How to Use

  1. Drag and drop your audio file(s) or click to browse
  2. Select your desired output format (MP3, WAV, OGG, etc.)
  3. Adjust quality settings like bitrate and sample rate
  4. Click "Convert Files" and download your converted audio

Frequently Asked Questions

Is this audio converter really free?

Yes, this tool is completely free with no limitations, hidden fees, or subscriptions.

Are my files uploaded to a server?

No. All processing happens locally in your browser using WebAssembly. Your files never leave your device.

What's the best format for music?

For best quality use FLAC (lossless). For good balance of quality and size, MP3 at 320 kbps or OGG at 256 kbps.

Can I convert multiple files at once?

Yes! You can drag and drop multiple audio files and convert them all in batch with your chosen settings.