How to Convert ASF to MP4 on Windows/Mac/Online/Android

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convert asf to mp4

ASF(Advanced Systems File) is a proprietary container format that carries audio, video, and metadata. It is specifically suited for streaming although it suffers some drawbacks. One con is that ASF has a capped maximum resolution, 352×288, and playback is limited to only support the Windows platform.

To get rid of these hurdles, converting ASF to another format like MP4 is necessary. MP4s are known to be universal and are therefore supported by a ton of devices. In that light, this article aims at presenting a couple of the best ways to convert ASF to MP4 using programs that are specially crafted for the task at hand.

ASF vs MP4

What is ASF?

ASF (formerly Active Streaming Format, Advanced Streaming Format) is a proprietary digital audio/video container format that is best suited for streaming media. The commonest type of media stored in ASF files includes Windows Media Video (WMV) and Windows Media Audio (WMA), not forgetting the ability to carry metadata and support for Digital Rights Management (DRM) options.

What is MP4?

MP4 or MPEG-4 Part 14 is a digital media container format used to store audio and video data with usage extending to also include still images and subtitles. It is considered a universal format that is playable on almost any device/platform and very suitable for streaming over the internet.

Convert ASF to MP4 with the Best ASF to MP4 Converter

TalkHelper Video Converter is your go-to offline and best ASF to MP4 converter software on Windows. It presents a boatload of features that are aimed at a flawless ASF to MP4 conversion process. As a comprehensive ASF converter, you get to process various formats including FLV, AMV, DVD, AVI, MP4, MOV, MPEG, ASF, RMVB, WMV, SWF, 3GP, M4V, RM, and more.

TalkHelper pushes for excellence and therefore ensures that every task to convert ASF to MP4 results in high-quality output that satisfies you. And with the full range compatibility, you are sure to transform any ASF file into a native or device-specific device.

Download TalkHelper Video Converter

Steps to Convert ASF Files to MP4 Using TalkHelper Video Converter:

Step 1: Add an ASF file into the conversion list. Hit the “Add Media” button (has a “+” symbol) and choose the “Add Video File…” option.


From the “Open a video” window that pops up, head over to the source folder, select the ASF file, and hit the “Open” button.


Step 2: Output to the target MP4 format. Click on the “Output Format” button to open the list of categories, select the “Popular” category, “MP4” in the side-kick menu, and lastly pick your preferred MP4 subformat based on resolution.


Step 3: Set output path, quality level, and convert. Use the “More parameters” link to open the “Single file parameters” dialog box, adjust the “Target path:” and “Quality:” if necessary, save by clicking on the “OK” button, and finally hit the “Start Convert” button.


Download TalkHelper Video Converter

How to Convert ASF to MP4 with Freeware (No Watermark)

# VLC Media Player

VLC Media Player is a popular all-media player tool that also happens to feature a built-in video converter. It is a free and open-source ASF to MP4 converter that is available on all platforms including Windows, Mac, Linux, and more, translating into reliability. With it, you can convert any file, DVD/CD/VCD disc, stream, webcam, or device-specific video that comes in the ASF format and output to MP4 file equivalent while keeping the original quality pretty much intact.


  • Works on multiple platforms
  • Offers conversion presets that make the process much easier
  • The video conversion process is pretty straightforward
  • No need to install extra codecs


  • No batch processing
  • Conversion options are not that obvious

Supported OS: Windows, Linux, Mac.

Download VLC Media Player

Steps to Convert ASF to MP4 Format Using VLC Media Player:

Step 1: Open the conversion interface by clicking to expand the “Media” menu and then choose the “Convert/Save…” option or simply hit the Ctrl+R hotkey on Windows.


Step 2: Using the resulting “Open Media” interface, use the “Add…” button to import the ASF file and then hit the “Convert/Save” button.

Step 3: From the “Convert” window, pick an MP4 preset profile, hit the “Browse” button to pick a destination directory, set the filename to have .mp4 as the file extension, and click on the “Start” button to complete the process.


Download vlc media player

# HandBrake

HandBrake is a free and open-source transcoder for digital videos and DVD/Blu-ray media. With it, any ASF video can be converted into the MP4 format with ease. To make the process of converting ASF into MP4 overly convenient, HandBrake sews in a set of extensive and optimized preset profiles to support native and device-specific output. Also, there are several video and DVD editing options to help tweak the output further. Changes can be previewed before the actual conversion too.


  • Free and open-source
  • Offers various adjustable video/audio parameters
  • Features pass-through audio options
  • Helps to restore old and low-quality clips
  • Allows you to preview the output before conversion


  • No batch conversion
  • Only 3 output formats are supported

Supported OS: Windows, Mac, Linux

Download handbrake

Steps to Turn ASF into MP4 Format Using HandBrake:

Step 1: Click on the “File” option, navigate to the folder containing the ASF file, select the video, and hit the “Open” button.

Step 2: Pick your preferred “Preset:” option, and below that, navigate through the tabs adjusting various parameters like the video dimensions, filters, among others.


Step 3: From the “Format:” section, ensure that “MP4” is the selected option, and hit the “Start Encode” button to transform your ASF video into MP4.


Download HandBrake

# FFmpeg

FFmpeg is a comprehensive, free, and open-source ASF to MP4 converter with cross-platform support. One advantage of this ASF converter is its portability coupled with support for almost any format. However, this converter works from the command line and therefore best suits advanced users. Although, the step-by-step guide below simplifies the process for everyone.


  • Extensive filter and codec support
  • A ton of encoders and decoders supported
  • Offers web hosting and video streaming options
  • Features a built-in player
  • Cross-platform


  • Can be cumbersome for novice users
  • No graphical user interface

Supported OS: Windows, Linux, Mac

Steps to Convert ASF into MP4 Using FFmpeg:

Step 1: Download and extract FFmpeg files from

Step 2: Copy the ASF file into the same directory containing the FFmpeg executables.


Step 3: Open a command window in the executables’ folder, type this command (without quotes), “ffmpeg -i input.asf output.mp4” and hit the Enter key. Substitute the input and output names with your preferred ones like the example below;



How to Convert ASF to MP4 Online

# Zamzar

With over 1100 supported formats, Zamzar is one of the best ASF to MP4 converter software. In just a matter of 3 steps, you can obtain an MP4 file from an ASF file. If you do not want to wait for the process to complete, you can provide your email address so that you are notified once the conversion process is complete. The top perks in this MP4 converter are convenience and speed while keeping the initial quality intact.

Steps to Convert ASF into MP4 Using Zamzar:

Step 1: Open Zamzar on your favorite browser by navigating to

Step 2: Click on the “Add Files…” button to upload the ASF file.


Step 3: Choose MP4 as the output format and hit the “Convert Now” button to complete the process.


# Convertio

Convertio is another online ASF to MP4 converter that boasts over 300 supported formats. It is characterized by high levels of simplicity while still making sure that you are getting high-quality MP4 files from ASF videos. All devices are supported, your files remain secure, and there are custom settings that let you adjust parameters like codecs, aspect ratio, quality, rotate, and flip options, among others.

Steps to Convert ASF to MP4 Using Convertio:

Step 1: On your web browser, type in the address bar and hit “Enter”.

Step 2: Upload the ASF video file by clicking on the “Choose Files” button to open the necessary window for this task.


Step 3: Choose MP4 as the output format and finally hit the “Convert” button to transform the imported ASF video into the MP4 format equivalent.


How to Convert ASF to MP4 on Android

Media Converter provides a very simple way to convert ASF to MP4 on Android devices like smartphones and tablets. The main advantage is that you can carry out ASF to MP4 conversion tasks anywhere, as long as you have your Android device in hand. Advanced users get to clip, extract audio for ringtones, crop, and rotate clips, besides adjusting parameters like the bitrate, resolution, frame rate, sample rate, and more.

Steps to Convert ASF to MP4 Using Media Converter on Android:

Step 1: Open Media Converter and under the “Video” tab, select the ASF file to convert.


Step 2: Click on the “Convert to mp4” option to start the process of converting ASF to MP4.


Once the process is done, you will get a notification that your ASF to MP4 task is done, with your converted MP4 file ready for further actions.


This article has shed light on the various best ways to convert ASF to MP4, combining both the software to use and the guides to follow to achieve the same, depending on the setting. To suit every user, no their level of experience, the tutorials in this article have been simplified to the best level possible. All you need to do now is choose your preferred tool, follow the related guide and convert your ASF files into the MP4 format equivalent.

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