EaseUS Video Converter

A 4K video converter to convert video or audio files to 1000+ formats at 30X faster speed.

  • Convert video to MP4, AVI, MOV, MKV, MPG, and other 500+ formats
  • Convert audio to desired formats, like MP3, M4A, MAV, M4R, AIFF, etc.
  • Extract audio from video or convert audio to a wide range of video formats
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Best ASF Video Converter: How to Convert ASF to MP4 Easily

Vanessa Chiang updated on Oct 14, 2021 to Video Converter Tips

ASF, developed by Microsoft, is an abbreviation of Advanced Streaming Format. ASF format is used to play the full dynamic images on the Internet to download video while playing the image synchronously. You can open it with Windows Media Player.

Pros Cons
local or network playback. Large file size
Extensible media types. /
Part download, scalable media type. /
Multilingual support, environmental independence. /

Best ASF to MP4 Video Converter on Windows

For converting ASF videos to MP4 format, you need to find a competent format converter, such as the two apps in this part.

1. EaseUS Video Converter

It's well known that ASF is not as popular as other video formats, like MP4, AVI, or MOV, so many converters don't support converting ASF videos to MP4. EaseUS Video Converter is a user-friendly file converting app that you can convert ASF videos to MP4 with simple clicks. As this converter supports up to 500 formats, you can turn videos in an unfamiliar format into some common ones. 

Before the conversion, you can adjust the setting freely. For instance, this converter allows you to customize the bitrate and frame rate of the output videos, and you can also choose the suitable video resolution, including 4K and 1080P.

Key Features:

  • One of the free video converters for Windows
  • Keep video quality as good as the original file
  • Merge videos into one while converting
  • Preview converted videos with a built-in player

Besides video conversion, this versatile software also supports audio conversion as well as converting audio to video. Don't hesitate to click on this button and download this software to convert ASF to MP4. 

Steps to Convert ASF to MP4 with EaseUS Video Converter:

Step 1. Launch EaseUS Video Converter on your PC, and choose the "Video Converter." Click on the "Choose Files" button to import the video you want to convert. It also allows you to drag and drop the video to import it.

import video

Step 2. Click on the "Settings" option to select the target format. You can choose MP4 as the output format and adjust the resolution and bitrate properly.

select mp4

Step 3. Customize the folder to save the MP4 video after conversion. Two buttons are available to converter the file. The "Convert" button can help you convert one video, while the "Convert All" button can process a batch of videos. 

convert video to mp4

Step 4. In the "Finished" tab, you can find the converted MP4 video. If you want to preview it, click on the "Open" button to activate the built-in media player.

save video as mp4

2. EaseUS Video Editor

Converting your video format to another is a common thing for vloggers and other video producers. When you check solutions on the Internet, you may get lost for which software to choose. Which ASF video converter can achieve fast conversion speed and a user-friendly interface? EaseUS Video Editor is a free video editor, supporting many video conversions.

EaseUS Video Editor

Easy & smart video editing software for beginners

  • Support many video format conversions
  • Add Text, Filters, Overlays, Transitions, Elements, and Music to the video
  • Customize your output settings
  • Support green screen cutout, PIP, voiceover, speech & text convert

Trusted by TechRadar, Fstopper, etc.

Pros Cons
Intuitive interface. No watermark in the paid version.
Fast conversion speed. /
Convert video to audio. /

Free ASF to MP4 Converter on Mac

The VLC media player is a portable, free, open-source, and cross-platform media player. 

Pros Cons
super fast conversion speed. Video errors.

So to convert ASF to MP4:
Step 1. Run VLC media player.
Step 2. Select Media> Convert/Save on the main menu.

vlc asf to mp4
Step 3. Choose to Add on the File tab.

vlc asf to mp4
Step 4. Click the triangle on the bottom right corner of the play. Select Convert.

vlc asf to mp4
Step 5. On the Convert Window, select Profile as Audio - MP3(MP4).

vlc asf to mp4

Tip: The conversion time of ASF to MP4 depends on your PC performance and file size.

Free Online ASF to MP4 Converter

If you do not want to install third-party software or your disk space is in an emergency, and you can try these two online converters to complete ASF to MP4.


This is a free, fast online converter, which converts PDF, image, video, document, audio, e-book, and compressed file formats to other formats. It is straightforward to use. You only need to select the format on the drop-down bar (such as the document in the document converter). Press Go to reach the upload file page, and you will be prompted to download after uploading.

Pros Cons
No installation is required. Limited function.

Step 1. Click Choose Files or Drop Files here. (It supports uploading video through URL, Dropbox, and Google Drive.)
You can wait for the upload progress bar for a few seconds.
Step 2. Click the Start conversion.
Before choosing the conversion button, you may see the advanced video settings. It is optional for you. 

online convert


FreeFileConvert provides various formats conversions, which support more than 8000+ conversion types such as audio, video, image, document, archive, and more.

Pros Cons
No installation is required. Limit download time.
Data Security. The file will format after 24 hours. /

Step 1. Input the ASF video.
Step 2. Select an output format.
The Convert files to frame contain 40+ format files. Skip the first two categories and choose MP4 down the Video Formats.
Step 3. Click Convert.

free file convert

Wrap up

We've explained many methods to convert ASF to MP4 on Windows, Mac, and Online. If you want to use a friendly ASF video converter, EaseUS Video Converter offers this capacity to help you. If your computer is Mac, we explain the wise guide to you. If your computer has no scope, then your best choice is an online website.

Frequently Asked Questions about ASF 

1. How do I convert an ASF file to MP4?

Download EaseUS Video Editor > Import ASF file > Export > Choose MP4

2. What is the ASF video format?

The full name of ASF is Advanced Streaming Format, a media playback format developed by Microsoft, suitable for playing on the network. The files based on Windows media are defined as ASF files.
It supports data transmission on multiple networks. ASF is also suitable for local playback, broadcasting, and editing on personal computers and other devices that currently support the format.
3. How do I open an ASF file on Mac?

VideoLan VLC Media Player: VLC is a free and open-source multimedia player. The majority of video format is compatible with VLC, including MP4, AVI, MPG, MKV, RM, RMVB, WMV, MP3, H264, MOV, 3GP, OGG, WAV, DTS, AAC, and FLV.

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