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  • Convert MP4 videos to ASF, MP3, WMA, M4A, FLAC and 1000+ video/audio formats.
  • 30X faster conversion speed than any conventional converters.
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Convert ASF to MP3

Convert MP4 to ASF Without Quality Loss

by Christine Smith • 2020-10-28 17:58:00 • Proven solutions

ASF, also known as advanced system formats, is a common file format for Windows media files. It is a container format for Windows Media audio and video files. If you have media players that can play ASF audio/video files directly and handle ASF files efficiently, you can convert MP4 to ASF.

Part 1. The best way to convert MP4 to ASF recommended

There are numerous converting software packages available in the markets that transform MP4 to ASF. However, if you are looking for the best MP4 to ASF video converter, then Wondershare UniConverter is the perfect option. This converter makes the process completely easy and short.

Wondershare UniConverter logo Wondershare UniConverter - Your Complete Video Toolbox

video converter ultimate
  • Convert MP4 to ASF, MP3, AVI, MKV, MOV, and other 1000+ formats.
  • Convert video files to an optimized preset for almost all of the devices.
  • 30X faster conversion speed than any conventional converters.
  • Edit, enhance & personalize your ASF video files.
  • Burn ASF videos to playable DVD with attractive free DVD templates.
  • Download or record videos from YouTube and other 10,000 video sharing sites.
  • Versatile toolbox combines fixing video metadata, GIF maker, VR converter, and screen recorder.
  • Supported OS: Windows 10/8/7, macOS 11 Big Sur, 10.15, 10.14, 10.13, 10.12, 10.11, 10.10, 10.9, 10.8, 10.7, 10.6.
security Security Verified, 5,942,222 people have downloaded it

Step 1 Load the MP4 video file.

After downloading Wondershare UniConverter, launch it and then load the MP4 file that you want to convert to ASF. Either drag it into the interface or choose the + Add files icon and select the desired file.

load the mp4 video

Step 2 Choose ASF as output format.

Having loaded the respective MP4 file, choose ASF as your preferred output format. Go to the Settings tab and select the Video section. Choose ASF as the format you want and can change the resolution on the right.

choose asf as the output format

Step 3 Start Converting MP4 to ASF.

You can edit the file using the editing icons below the clip thumbnail. When done proceed with converting by hitting the Convert button on the right or Start All at the bottom.

mp4 to asf

Part 2. How to convert MP4 to ASF free online

If you don’t like downloading applications as required above, there is another way to convert MP4 to ASF. You can use Online UniConverter instead, which is the best MP4 to ASF online converter. This is an online tool with the capability to not only convert MP4 to ASF online but also compress and edit video, audio, and image files as well.

Step 1: Upload your MP4 file

When converting MP4 to ASF with this MP4 to ASF converter for free, there are various ways to upload the MP4 file. You can drag and drop the MP4 files or click the Choose Files option to upload from your computer storage. Alternatively, you can get the file from Dropbox or Google Drive.

upload the mp4 video

Step 2: Convert MP4 to ASF.

Once you upload, select ASF as the output format and then click Convert to transform the MP4 files.

Step 3: Download the converted ASF file.

When MP4 to ASF conversion is complete click the Download utility to save the converted ASF file.

convert mp4 to asf online

Part 3. Other 3 MP4 to ASF converters you can try

  1. Wondershare Free Video converter

Wondershare Free Video Converter is a great MP4 to ASF converter because it also comes with an editing suite that enables you to tweak your clip. It configures the quality of encoding output, customization, and subtitles. Additionally, it merges video files together, meaning that you can merge MP4 files and then convert them to ASF. Aside from conversion, it also acts as a video and audio player application.

mp4 to asf free converter


  • Comes with video editing tools.
  • feature-rich experience.
  • media player functionality.


  • The free experience lacks device presets.
  • It is not ideal for beginners.
  1. Convertio

Convertio is a free tool that converts MP4 to ASF in an instant. This MP4 to ASF converter for free does not disappoint as it works with numerous popular formats. These include ASF, MP4, AVI, CAVS, FLV, and SWF, among others. It also converts HD files without quality loss and allows customization, whereby you can change quality and aspect ratio, and rotate and flip the footage.

mp4 to asf online converter


  • It provides video and audio file protection.
  • It is free and accessible from any browser on your computer.
  • It comes with customizable settings.


  • It only functions online and thus requires a stable internet connection.
  1. AnyConv

AnyConv is another excellent MP4 to ASF online converter that you can rely on. It converts multiple video formats to audio as well, and thus supports a wide range of file formats. Additionally, it supports image formats like JPG and JPEG, document formats like PDF and HTML. Therefore, it handles a wide variety of conversions. It makes the conversion process fast through few clicks.



  • Conversion is a simple and short process.
  • It is suitable for beginners.
  • Works with multiple formats.


  • It has an untidy interface.
  • It limits the file size.


As seen above, there are various ways to convert MP4 to ASF. You can use an application such as Wondershare UniConverter that is highly recommended or use an online converter such as Online UniConverter. Although there are other converters that you can try, it is necessary to use these best tools for the most desirable results.

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Christine Smith

Christine Smith

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