ASF to MP3 converter

Convert ASF to MP3 for free, right in your browser. Your files never leave your device.

Choose ASF files or drop them here · paste a link below

Converted on your device · never uploaded · Free limits

Where it runs: On your device
Free allowance: Unlimited
Typical time: Usually under 5 seconds
Sign-up: Not needed

What happens to your ASF

Only the soundtrack is kept and the picture is dropped. The audio is saved as MP3 at a high bitrate, so it sounds the same as the video.

This conversion runs inside your browser, so the file is never uploaded. Files over 300 MB are sent to our server instead, and deleted within 60 minutes.

How to convert ASF to MP3

Choose your file Tap Choose files and pick the ASF file, or drop it onto the page. You can add several at once.
Convert to MP3 The conversion starts on your device straight away. Nothing is uploaded.
Download Tap Download to save the result.

What is an ASF file?

Microsoft's container for Windows Media video and audio.

Windows Media Player and VLC.

More about ASF files

What is an MP3 file?

The universal compressed audio format. Every phone, car stereo and player supports it, at the cost of some quality at lower bitrates.

Every media player, phone and browser plays MP3.

More about MP3 files

Questions

Is converting ASF to MP3 free?

Yes, completely. This conversion runs on your device, so there is no daily limit and no sign-up. We never ask you to pay after you have converted.

Is it safe to convert my ASF files here?

Yes. The conversion happens inside your browser, and the file never leaves your phone or computer.

How long does ASF to MP3 take?

Usually under 5 seconds. Bigger files take longer, and you can watch the progress on each file.

Can I convert ASF to MP3 on my iPhone or Android phone?

Yes. The converter works in Safari, Chrome and any modern browser. Tap Choose files, pick from Photos or Files, and download the result to your phone.

How do I open an MP3 file?