Convert RMVB to MP4 with the Best RMVB to MP4 Converters

Are you excited about playing your video stored in RMVB format only to find out that you can't play it on your modern device, smart TV, or other media players? Well, you are not alone! RealMedia Variable Bitrate was once a popular choice for its better compression. However, this format is not playable on some modern media players, making it bad news for some movie enthusiasts with a video stored in RMVB format. But the good part here is that there is a solution for you. For effective video playback, the best thing to do is to change your RMVB file to MP4. With that, you can watch your favorite videos without encountering any compatibility issues. Thus, visit this article and learn how to convert RMVB to MP4.

Part 1. RMVB vs. MP4: Which is Better

Are you wondering which is better between the RMVB and MP4 formats? If so, you can check the comparison table below to get more insights about these formats.

As you can see from the provided table, we can tell the MP4 format is far superior to RMVB. It is because the format is more supported and can offer an excellent video quality. The best part here is that it can handle the latest codec, allowing you to have a smooth video playback on almost all media players. Thus, if you want a better video format, MP4 is the right choice.

Part 2. Free Ways to Convert RMVB to MP4

Do you want to convert RMVB to MP4 for free? In that case, you can check all the best and effective methods we have provided below.

Method 1. Convert RMVB to MP4 Using AVAide MP4 Converter

AVAide MP4 Converter is one of the most effective RMVB to MP4 converters you can access on your Mac and Windows. With this video converter, you can ensure that you can make an MP4 file from your RMVB file. What makes the converter ideal is that it has a simple layout and a fast conversion speed for up to 30 times faster. Moreover, you can also convert your RMVB files to other formats, such as AVI, FLV, MOV, WMV, M4V, VOB, and more. It can even support a batch conversion feature for transcoding multiple files at once. Thus, if you want to convert an RMVB file to MP4 perfectly, follow the tutorial below.

Step 1To start the conversion process, click the buttons below to download AVAide MP4 Converter on your computer.

Step 2Then, proceed to the Converter > Add Files option to start adding the RMVB file you want to convert. You can also insert multiple files at once.

Step 3Then, you can now proceed to the Output Format function to click the MP4 format. You can also change the video quality based on your preferences.

Step 4Lastly, you can now begin the conversion procedure by ticking the Convert All button.

Method 2. Convert RMVB to MP4 Using FFmpeg

Another tool that can help you convert RMVB to MP4 is the FFmpeg tool. This open-source transcoder allows you to deal with your RMVB files smoothly and instantly. The good part here is that you can even use more commands to edit videos. You can crop videos on FFmpeg, trim, merge, enhance quality, and more. The only drawback here is that this tool is not for beginners. It requires a user to have the skills to insert the proper conversion command for an effective conversion process. So, to convert RMVB to MP4 for free, use the instructions below.

Step 1Download and set up the FFmpeg tool on your computer. After that, launch CMD to start the process.

Step 2Then, you can now type the code to start converting your RMVB file. You can type:
ffmpeg -i input.rmvb output.mp4

Once done, you can now enjoy your video on various media players.

Method 3. Convert RMVB to MP4 Using Convertio

Do you prefer using an online tool to convert your RMVB file to MP4 format? If so, you can use Convertio. It is an online-based media converter that is perfect for transforming your RMVB files to MP4. What we like here is that you can have a smooth conversion process due to its simple user interface. It can also convert multiple files, allowing you to save more time. It can also support various output formats, including MKV, WMV, AVI, M4V, MOV, and more. Thus, if you want to convert your files on your browser, consider using Convertio. So, if you want to convert RMVB to MP4 online, see the steps below.

Step 1Search Convertio on your browser. After that, click the Choose Files button to upload your RMVB file.

Step 2Go to the Format section and choose the MP4 format. To begin the RMVB to MP4 conversion process, click the Convert function on the right side.

Step 3Lastly, tap Download to save the converted file on your computer.

Part 3. Paid Methods to Convert RMVB to MP4

If you are interested in learning the paid methods for converting RMVB to MP4, rely on the steps we have provided below.

Method 1. Convert RMVB to MP4 Using Cisdem Video Converter

Cisdem Video Converter is an excellent advanced video converter designed for transcoding video files. What makes it unique is that it can let you convert your video files to MP4 with the best quality for up to 8K. You can also convert more than one RMVB file, which can help you avoid consuming much time. To learn how to change RMVB to MP4, check the steps below.

Step 1Access the Cisdem Video Converter on your computer. After that, start dragging the RMVB file you want to transcode.

Step 2After that, go to the Convert all tasks to option below and choose the MP4 format.

Step 3For the last process, hit the Start button below to begin converting your RMVB to MP4.

Method 2. Convert RMVB to MP4 Using VideoProc Converter AI

Another paid converter that you can access on your computer is VideoProc Converter AI. This software ensures that it gives you a professional-grade output since it can convert video files with the best quality. Aside from that, you can also convert your RMVB to various formats. You can convert the RMVB to MOV, AVI, FLV, MKV, and more. So, to start converting your RMVB files to MP4, follow the instructions below.

Step 1After you have downloaded the VideoProc Converter AI, launch it and click Video to add the RMVB file.

Step 2Then, proceed to the Target Format section and select the MP4 format.

Step 3For the final process, click the RUN button below to begin converting RMVB to MP4 format.

By Sylvie Hyde on Oct 17, 2025