What audio formats are supported?

You can convert between MP3, WAV, FLAC, OGG, AAC, and M4A formats. The tool supports any audio input format that FFmpeg recognizes.

Free Online Tool

Audio Format Converter

Q: Is my audio file uploaded to a server?

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

Convert audio files between MP3, WAV, FLAC, OGG, AAC, and M4A. Runs 100% in your browser — no upload required.

Drop your audio file here

or click to browse

100% Local Processing

Browser tools send audio to the cloud. Andak runs entirely on your Mac — your voice data never leaves your device.

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Why use this converter?

6 audio formats

Convert between MP3, WAV, FLAC, OGG, AAC, and M4A.

100% private

Files are processed in your browser. Nothing is uploaded.

Fast conversion

Quality control

Choose your preferred bitrate for lossy formats.

How to convert audio files

Upload your audio file

Drag & drop or click to select any audio file.

Choose output format

Select from MP3, WAV, FLAC, OGG, AAC, or M4A.

Set quality (optional)

Adjust bitrate for lossy formats like MP3 or OGG.

Download converted file

Click Convert, then download your new file.

Frequently asked questions

Is this audio converter free?

Yes, completely free with no limits. Your files are processed locally in your browser using WebAssembly — nothing is uploaded to any server.

What audio formats can I convert between?

You can convert between MP3, WAV, FLAC, OGG, AAC, and M4A. The converter accepts any common audio format as input.

Are my files uploaded to a server?

No. All conversion happens locally in your browser using FFmpeg compiled to WebAssembly. Your files never leave your device.

Is there a file size limit?

There's no hard limit, but very large files (over 500MB) may be slow due to browser memory constraints. For most audio files, conversion is fast.

Can I convert video files to audio?

This tool is designed for audio-to-audio conversion. For extracting audio from video files, you would need a dedicated video-to-audio converter.

Need more audio tools?

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