DAT files often show up when dealing with old video discs or certain software, but playing them can be frustrating. Unlike MP4, which is universal, DAT is not widely supported. That is why many users look for ways to convert a DAT file to MP4. This guide will break down what a DAT file is, explain how it differs from MP4, and share both desktop and online tools that can help you turn your files into a format that actually works.

Part 1. What is a DAT File?

A DAT file is a generic data format that can hold many types of content, such as text, video, or program data. When it comes to videos, DAT files are usually found on Video CDs or VCDs and often contain movie or clip data. The issue is that they do not follow a single standard, which makes them hard to play on modern devices. This is why many users look for ways to convert DAT to MP4, since MP4 is a universal format that works across phones, computers, and media players.

Part 2. Differences Between DAT and MP4

Both DAT and MP4 files can contain video data, which are not identical across all aspects such as structure, compatibility and usability. DAT files are outdated and do not have a universal standard, and MP4 is one of the video formats that is most common one now. This disparity is the reason why most users will change the DAT file to MP4 to have a smooth play and easy sharing.

1. Format Structure:

DAT is a container, which is generic and may contain data of different types, not only video. On the other hand, MP4 is a standardized multimedia file with the express purpose of video and audio content.

2. Compatibility:

Many DAT files can only be played with special software or a VCD player, whereas MP4 is compatible with almost all devices and platforms, such as mobile devices, desktops, and streaming services.

3. Compression & Quality:

MP4 can be used to support state-of-the-art compression, and smaller files do not have to be sacrificed as much. DAT files are comparatively larger and inefficient.

4. Usage Today:

DAT has largely become obsolete and associated with older disks or software. The modern default is MP4, which is compatible with all editing software, including DJI video editing software and all social media.

Part 3. How to Convert a DAT File to MP4

1. AVAide MP4 Converter

If your goal is to convert DAT to MP4 without stress, AVAide MP4 Converter is the tool you can rely on. It is quick, batch convertible, and does not compromise the quality of video, os as most of the other alternatives. The distinguishing feature is the built-in editing suite, which allows you to edit your videos before storing them. Novices will love the sterile design, and the advanced users can get into configuration. That mix of power and simplicity makes AVAide the most comprehensive converter of DAT files.

Step 1Get the latest version of the app on your computer by clicking the download button that we have here. Follow the process to install it and launch the app to proceed.

Step 2After that, upload the DAT file to the app by clicking the Add File button that we have on the upper side of the interface. By clicking it, you will get to the file folder and find the DAT file you want to convert, and click Open.

Upload Video

Step 3Set the format to MP4 and the settings you want to achieve based on the selections available here. As you can see, each MP4 setting does have a different encoder, resolution, and more.

Select MP4

Step 4Finally, click the Convert All button to start the encoding process to MP4.

Convert To MP4

2. VLC Media Player

Most people know VLC Media Player as a video player, but fewer realize it doubles as a DAT to MP4 converter. The conversion feature is not as polished as dedicated software, but it gets the job done if you only need to process a few files. The downside is the learning curve; you will need to adjust settings manually. Still, for a free tool that almost everyone already has installed, VLC is a solid backup option.

Step 1Open VLC Media Player on your computer. From the top menu, click Media and choose Convert / Save.

Step 2Click Add, then browse and select the DAT file you want to convert. Click Convert / Save at the bottom.

Add Files VLC

Step 3Under Profile, choose Video - H.264 + MP3 (MP4) as the output format. Set the destination where you want to save it and click Start.

3. WinX Video Converter

If speed matters to you, WinX Video Converter is worth a try. With GPU acceleration, it can change a DAT file to MP4 faster than many free tools. It also offers format flexibility so that you can export videos for mobile, desktop, or even web use. While the free edition has a few limits, the overall performance makes it a practical choice for users who value efficiency.

Step 1Open WinX Video Converter and click +Video to load your DAT file. You can also drag and drop the file into the program window.

Step 2When the output settings appear, go to General Profiles and choose MP4 Video (H.264 + AAC) or MPEG4 Video (MPEG4 + MP3) as the format. Click OK to confirm.

General Profile Winx

Step 3Select where you want to save the new file by clicking Browse, then hit RUN to start converting your DAT file to MP4.

4. Video Converter from 123apps.com (Online)

For quick online conversions, 123apps is one of the easiest tools to use. This converts a large DAT file to MP4 online for free, works right from your browser, so no installation is needed. Just upload your file, choose MP4, and let it process. The catch is that large uploads can take a long time, and the feature set is basic. But if you want simplicity and speed for smaller files, it is a handy online pick.

Step 1Visit the official page of the web tool and click the Open File button to import the DAT file.

Open Dat 123apps

Step 2Under the Video, choose the MP4 format and set the resolution and settings you want to achieve.

Step 3Then, click Convert.

5. Video Converter from VidSoftLab (Android)

On Android devices, VidSoftLab offers a practical way to handle DAT files without a computer. The app is light, easy to navigate, and functions as a portable DAT file converter. It shines when you need a DAT file to MP4 converter, especially while away from your desktop. It may not have the advanced options of PC software, but for mobile users, it is a convenient solution.

Step 1Download the app on your phone and press Open to launch it. Then, click Let's Start to proceed and open its main menu.

Step 2At the top, choose the Video Converter and allow the app to have access to your photos and media to upload the DAT file and click Next.

Step 3Set the Format to MP4 and adjust the necessary settings you want before you click Done.

Videolab Convert MP4
Conclusion

To change DAT files to MP4, you will surely need a reliable converter on your device, either on PC or phone. Here, we list down the best options you can choose from, but if you are having trouble choosing which one, then we suggest that you rely on the AVAide tool, for it is made to help you convert any of your files, including the DAT, into a standard MP4 format with ease.

By Sylvie Hyde on Sep 19, 2025

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