# Convert ASF to WMV > Convert ASF to WMV 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-wmv - 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": "wmv"` (paid plans). - More: [Video converter](https://www.converterrr.com/video-converter), [ASF converter](https://www.converterrr.com/asf-converter). ## How to convert ASF to WMV 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 WMV.** WMV 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 WMV.** Download each WMV file, or everything at once as a ZIP. ## Good to know - ASF files are typically used for legacy Windows Media streams, while WMV is best for legacy Windows video. - This conversion runs on FFmpeg (WASM), running locally in your browser — nothing is uploaded and it works even on slow connections. ## ASF vs WMV | | ASF | WMV | | --- | --- | --- | | Full name | Advanced Systems Format | Windows Media Video | | Type | Video | Video | | Extensions | .asf | .wmv | | MIME type | video/x-ms-asf | video/x-ms-wmv | | Best for | legacy Windows Media streams | legacy Windows video | | Properties | legacy format | proprietary, legacy format | **ASF:** ASF is Microsoft's streaming container behind WMV and WMA files. **WMV:** WMV is Microsoft's Windows Media video format, common on older Windows PCs but poorly supported on Mac and mobile. The other way around: [convert WMV to ASF](https://www.converterrr.com/wmv-to-asf). ## Related conversions - [WMV to ASF](https://www.converterrr.com/wmv-to-asf) (in the browser) - [ASF to MP4](https://www.converterrr.com/asf-to-mp4) (in the browser) - [MP4 to WMV](https://www.converterrr.com/mp4-to-wmv) (in the browser) - [ASF to MP3](https://www.converterrr.com/asf-to-mp3) (in the browser) - [MOV to WMV](https://www.converterrr.com/mov-to-wmv) (in the browser) - [ASF to WebP](https://www.converterrr.com/asf-to-webp) (in the browser) - [GIF to WMV](https://www.converterrr.com/gif-to-wmv) (in the browser) - [ASF to MOV](https://www.converterrr.com/asf-to-mov) (in the browser) - [WebM to WMV](https://www.converterrr.com/webm-to-wmv) (in the browser) - [ASF to GIF](https://www.converterrr.com/asf-to-gif) (in the browser) - [MKV to WMV](https://www.converterrr.com/mkv-to-wmv) (in the browser) - [ASF to WAV](https://www.converterrr.com/asf-to-wav) (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 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 WMA](https://www.converterrr.com/asf-to-wma), [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 WMV [MP4 to WMV](https://www.converterrr.com/mp4-to-wmv), [MOV to WMV](https://www.converterrr.com/mov-to-wmv), [GIF to WMV](https://www.converterrr.com/gif-to-wmv), [WebM to WMV](https://www.converterrr.com/webm-to-wmv), [MKV to WMV](https://www.converterrr.com/mkv-to-wmv), [AVI to WMV](https://www.converterrr.com/avi-to-wmv), [FLV to WMV](https://www.converterrr.com/flv-to-wmv), [M4V to WMV](https://www.converterrr.com/m4v-to-wmv), [MPEG to WMV](https://www.converterrr.com/mpeg-to-wmv), [3GP to WMV](https://www.converterrr.com/3gp-to-wmv), [MPG to WMV](https://www.converterrr.com/mpg-to-wmv), [TS to WMV](https://www.converterrr.com/ts-to-wmv), [MTS to WMV](https://www.converterrr.com/mts-to-wmv), [VOB to WMV](https://www.converterrr.com/vob-to-wmv), [M2TS to WMV](https://www.converterrr.com/m2ts-to-wmv), [APNG to WMV](https://www.converterrr.com/apng-to-wmv), [OGV to WMV](https://www.converterrr.com/ogv-to-wmv), [MXF to WMV](https://www.converterrr.com/mxf-to-wmv), [DivX to WMV](https://www.converterrr.com/divx-to-wmv), [3G2 to WMV](https://www.converterrr.com/3g2-to-wmv), [RM to WMV](https://www.converterrr.com/rm-to-wmv), [RMVB to WMV](https://www.converterrr.com/rmvb-to-wmv), [F4V to WMV](https://www.converterrr.com/f4v-to-wmv) ## ASF to WMV: frequently asked questions ### How do I convert ASF to WMV? Drop your ASF file onto the converter above, make sure WMV is selected, and click Convert. When it's done, download the WMV file — it usually takes a few seconds. ### Is it safe to convert ASF to WMV here? Yes. ASF to WMV conversion happens entirely inside your browser using WebAssembly, so your file is never uploaded to any server. ### Is the ASF to WMV 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 WMV reduce quality? No — WMV 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. ### Can I convert WMV back to ASF? Yes — use our WMV to ASF converter. Note that converting back and forth between formats can't recover detail lost to lossy compression.