# Convert ASF to WMA

> Convert ASF to WMA online for free. Runs entirely in your browser, so your files never leave your device. Fast batch conversion, no sign-up, no watermarks.

URL: https://www.converterrr.com/asf-to-wma

- Runs in the browser with FFmpeg (WASM): files are not uploaded, and no credits are used.
- Engines: FFmpeg (WASM) (browser), FFmpeg (cloud).
- API: available. `POST /api/v1/jobs` with `"output_format": "wma"` (paid plans).
- More: [Video converter](https://www.converterrr.com/video-converter), [ASF converter](https://www.converterrr.com/asf-converter).

## How to convert ASF to WMA

1. **Add your ASF files.** Drag and drop ASF files onto the converter, paste them, or click to browse. You can add several at once.
2. **Choose WMA.** WMA is already selected. Open Options if you want to change quality, size or metadata.
3. **Convert.** Click Convert. Your files are converted right in your browser in seconds.
4. **Download your WMA.** Download each WMA file, or everything at once as a ZIP.

## Good to know

- Only the audio track is kept — the result is a WMA file you can play anywhere. Use Options to pick a bitrate.
- ASF files are typically used for legacy Windows Media streams, while WMA is best for legacy Windows music collections.
- This conversion runs on FFmpeg (WASM), running locally in your browser — nothing is uploaded and it works even on slow connections.

## ASF vs WMA

|  | ASF | WMA |
| --- | --- | --- |
| Full name | Advanced Systems Format | Windows Media Audio |
| Type | Video | Audio |
| Extensions | .asf | .wma |
| MIME type | video/x-ms-asf | audio/x-ms-wma |
| Best for | legacy Windows Media streams | legacy Windows music collections |
| Properties | legacy format | proprietary, legacy format |

**ASF:** ASF is Microsoft's streaming container behind WMV and WMA files.

**WMA:** WMA is Microsoft's Windows Media audio format, common in older Windows music libraries.

## Related conversions

- [ASF to MP4](https://www.converterrr.com/asf-to-mp4) (in the browser)
- [MP3 to WMA](https://www.converterrr.com/mp3-to-wma) (in the browser)
- [ASF to MP3](https://www.converterrr.com/asf-to-mp3) (in the browser)
- [MP4 to WMA](https://www.converterrr.com/mp4-to-wma) (in the browser)
- [ASF to WebP](https://www.converterrr.com/asf-to-webp) (in the browser)
- [WAV to WMA](https://www.converterrr.com/wav-to-wma) (in the browser)
- [ASF to MOV](https://www.converterrr.com/asf-to-mov) (in the browser)
- [MOV to WMA](https://www.converterrr.com/mov-to-wma) (in the browser)
- [ASF to GIF](https://www.converterrr.com/asf-to-gif) (in the browser)
- [M4A to WMA](https://www.converterrr.com/m4a-to-wma) (in the browser)
- [ASF to WAV](https://www.converterrr.com/asf-to-wav) (in the browser)
- [WebM to WMA](https://www.converterrr.com/webm-to-wma) (in the browser)

## Convert ASF to other formats

[ASF to MP4](https://www.converterrr.com/asf-to-mp4), [ASF to MP3](https://www.converterrr.com/asf-to-mp3), [ASF to WebP](https://www.converterrr.com/asf-to-webp), [ASF to MOV](https://www.converterrr.com/asf-to-mov), [ASF to GIF](https://www.converterrr.com/asf-to-gif), [ASF to WAV](https://www.converterrr.com/asf-to-wav), [ASF to WebM](https://www.converterrr.com/asf-to-webm), [ASF to MKV](https://www.converterrr.com/asf-to-mkv), [ASF to M4A](https://www.converterrr.com/asf-to-m4a), [ASF to AVI](https://www.converterrr.com/asf-to-avi), [ASF to FLAC](https://www.converterrr.com/asf-to-flac), [ASF to AAC](https://www.converterrr.com/asf-to-aac), [ASF to OGG](https://www.converterrr.com/asf-to-ogg), [ASF to WMV](https://www.converterrr.com/asf-to-wmv), [ASF to Opus](https://www.converterrr.com/asf-to-opus), [ASF to FLV](https://www.converterrr.com/asf-to-flv), [ASF to M4V](https://www.converterrr.com/asf-to-m4v), [ASF to MPEG](https://www.converterrr.com/asf-to-mpeg), [ASF to 3GP](https://www.converterrr.com/asf-to-3gp), [ASF to MPG](https://www.converterrr.com/asf-to-mpg), [ASF to TS](https://www.converterrr.com/asf-to-ts), [ASF to AIFF](https://www.converterrr.com/asf-to-aiff), [ASF to AMR](https://www.converterrr.com/asf-to-amr), [ASF to VOB](https://www.converterrr.com/asf-to-vob)

## Convert other formats to WMA

[MP3 to WMA](https://www.converterrr.com/mp3-to-wma), [MP4 to WMA](https://www.converterrr.com/mp4-to-wma), [WAV to WMA](https://www.converterrr.com/wav-to-wma), [MOV to WMA](https://www.converterrr.com/mov-to-wma), [M4A to WMA](https://www.converterrr.com/m4a-to-wma), [WebM to WMA](https://www.converterrr.com/webm-to-wma), [FLAC to WMA](https://www.converterrr.com/flac-to-wma), [MKV to WMA](https://www.converterrr.com/mkv-to-wma), [AAC to WMA](https://www.converterrr.com/aac-to-wma), [AVI to WMA](https://www.converterrr.com/avi-to-wma), [OGG to WMA](https://www.converterrr.com/ogg-to-wma), [WMV to WMA](https://www.converterrr.com/wmv-to-wma), [Opus to WMA](https://www.converterrr.com/opus-to-wma), [FLV to WMA](https://www.converterrr.com/flv-to-wma), [M4V to WMA](https://www.converterrr.com/m4v-to-wma), [MPEG to WMA](https://www.converterrr.com/mpeg-to-wma), [3GP to WMA](https://www.converterrr.com/3gp-to-wma), [AIFF to WMA](https://www.converterrr.com/aiff-to-wma), [AMR to WMA](https://www.converterrr.com/amr-to-wma), [MPG to WMA](https://www.converterrr.com/mpg-to-wma), [TS to WMA](https://www.converterrr.com/ts-to-wma), [M4B to WMA](https://www.converterrr.com/m4b-to-wma), [MTS to WMA](https://www.converterrr.com/mts-to-wma), [VOB to WMA](https://www.converterrr.com/vob-to-wma)

## ASF to WMA: frequently asked questions

### How do I convert ASF to WMA?

Drop your ASF file onto the converter above, make sure WMA is selected, and click Convert. When it's done, download the WMA file — it usually takes a few seconds.

### Is it safe to convert ASF to WMA here?

Yes. ASF to WMA conversion happens entirely inside your browser using WebAssembly, so your file is never uploaded to any server.

### Is the ASF to WMA converter free?

Yes — free with no watermark. Signed-out visitors can convert 25 files a day, and a free account raises that to 250.

### Will converting ASF to WMA reduce quality?

No — WMA preserves the content of your ASF file as faithfully as the format allows.

### Can I convert multiple ASF files at once?

Yes. Add up to 5 files at a time without an account, 10 with a free account and up to 500 on paid plans, then download them individually or as a single ZIP.