12 Best Free RMVB to MP4 Converter Online Websites

Here is a list best free RMVB to MP4 converter online websites. RMVB stands for Real Media Variable Bitrate. It is a variation of Real Media file format with more efficient compression. RMVB format uses a variable bitrate to optimize the content and reduce the file size. There are some media players that can play RMVB files but it is not as mainstream as MP4. If you want to convert RMVB to MP4 then here are 12 websites that you can use.

All these websites are free to use or offer a free plan. You can use them anonymously without creating an account. The conversion process is also quite simple. All you have to do is upload your RMVB files, set the output format to MP4, and convert. Most of these websites can convert multiple files simultaneously. Some websites also offer additional conversion options to configure the output video file. There is a maximum file size limit on most websites. You can go through the post and check them one by one in detail.

My Favorite RMVB to MP4 Converter Online

FreeConvert is my favorite RMVB to MP4 converter online. This website has many unique offerings which make it my favorite. The first thing is upload size. It can convert RMVB files up to 1 GB in size. This is a pretty good size range considering that it is a free service. The second thing is that you can upload up to 20 files at once and convert them into sets of 5. Last but least, it lets you not only import but export converted video files directly to Google Drive or Dropbox.

You can also check our lists of the best free TS to MP4 Online Converter Websites, MP4 to GIF Converter Online Websites, and MP4 Converter Apps for Android.

FreeConvert.com

FreeConvert is a free online RMVB to MP4 converter website. This website packs a wide collection of online converters, compressors, and other video tools. It has a dedicated RMVB to MP4 converter that you can use online. It can convert videos up to 1 GB in size. For that, you can upload files from local storage or fetch them from the cloud. You can add up to 20 files at once and convert them into a set of 5 at a time. This limit is applied when you use the website without an account. You can extend this limit by creating a free account on the website. This will also increase the upload size from 1 GB. On top of that, you also get additional conversion options to change resolution, orientation, compress, and remove metadata.

How to convert RMVB to MP4 online with FreeConvert?

Follow the link given below to open this RMVB to MP4 converter in your browser.
Add your RMVB files to the converter.
On the next screen, make sure the output format is set to MP4.
Start the conversion. Wait for it to finish.
Once done, download the converted MP4 files.

Highlights:

This website allows you to add up to 20 files at once and convert them into batches of 5 files.
It can import RMVB files from Google Drive, Dropbox, or URLs.
It also gives you an option to export the converted files directly to Google Drive or Dropbox.
Options to change video resolution and orientation.
Apply compression to converted videos and strip metadata.
It can easily process files up to 1 GB in size which is decent for converting larger video files.
You get the option to delete all your files right after the conversion.
This website offers 750 free conversion minutes per month that allow you to perform roughly 25 conversions per day.

Home Page

Converter365.com

Converter365 is a free web-based converter website that supports over 1000 file formats for videos, audio, images, and more. With its video converter, you can convert RMVB to MP4 online. It is simple to use with a drag and drop approach. There is no need to select the format first. You can simply upload the file first and then pick the output format which is MP4 in this case. Along with that, you get additional options for the conversion. This includes options to change codec, resolution, cut, crop, mirror, mute, and more. This website can process files of up to 100 MB in size and can convert up to 10 files simultaneously. There is a 20 tasks per month limit for free users.

How to convert RMVB to MP4 online with Converter365?

Go to the Converter365 website and pick the “Video Converter” feature.
Upload your RMVB file there and select MP4 as the output format.
Customize the additional conversion options as per your needs.
Then start the conversion to get the MP4 file.

Highlights:

This website can convert 10 files simultaneously.
It can process files up to 100 MB in size.
Along with local uploads, you can also fetch files from the web via URL.
It lets you change various aspects of the final video including codec, resolution, audio channels, etc.
It also gives options to cut, crop, rotate, and mute the video.

Home Page

CloudConvert.com

Cloud Convert is a cloud-based file conversion platform that offers a free online MP4 converter. you can use this converter for RMVB files. You can upload up to 5 files from the local storage. Or, you can fetch the files from Google Drive, Dropbox, or the web. Either way, you get the option to pick the output format for each file separately. Along with that, you also get an option to configure the conversion by changing the codec, bitrate, volume, and other audio settings. And if you want to crop the video or hardcode subtitles, you can do that too. With all these features, you get 750 free conversion minutes per month.

How to convert RMVB to MP4 online with CloudConvert?

Visit the Cloud Convert websites and add your RMVB files there.
Pick MP4 as the output format from the dropdown.
Click on the gear icon to configure additional conversion options.
Click on the Convert button to start the conversion and get the MP4 files.

Highlights:

This website can convert up to 5 files per conversion.
There is no size limitation for the conversion.
It supports import from Google Drive, Dropbox, and the Web.
It lets you individually pick the output format for each file.
Offers additional options to change the codec, bitrate, volume, and other audio settings.
It also lets you trim the video and add subtitles when needed.
This website offers 750 free conversion minutes per month.

Home Page

Convertio.co

Convertio is a free online RMVB to MP4 converter website. It is a cloud-based conversion platform to convert one file type to another. You can upload RMVB videos files to this website and convert those to MP4. For that, you can upload files from local storage or import videos directly from Google Drive or Dropbox. The overall conversion process is very simple and only takes a few seconds. If you have to cut, resize, rotate video or change audio parameters, you can do that too. This website puts a maximum size limit of 100 MB for each conversion. Whether you convert one or multiple video files, their combined size must be under 100 MB. This converter allows 2 concurrent conversions to the free users with a limit of 10 conversion minutes per day.

How to convert RMVB to MP4 online with Convertio?

Go to the Convertio website and click on the Choose Files button to add RMVB files. You can also import from Google Drive or Dropbox.
Click on the output dropdown and pick MP4 format from the Video section.
With the gear-icon, you can access and configure additional video and audio settings.
Then click the Convert button to convert the video files.

Highlights:

Convert up to 2 RMVB video files to MP4 for free.
The allowed upload size limit for each conversion is 100 MB.
Direct import from the web, Google Drive, and Dropbox is also supported.
Options to resize, crop, and cut the video. Also, change bitrate, codec, audio channel, frequency, and volume.
Offers 10 free conversion minutes per day.

Home Page

FreeFileConvert.com

Free File Convert is a free online cloud-based file conversion service with support for hundreds of file formats. It offers free file converter tools that you can use online. Under the Video Converters, you can configure a converter for RMVB to MP4 conversion. It supports imports via URL, Google Drive, and Dropbox along with local uploads. You can add up to 5 files at once as long as the total size is under 300 MB. This website has an option to get an email notification for the conversion. If a conversion is taking more time or you want to share it with someone, you can use that feature to send an email notification. Further, it allows you to delete the file after conversion.

How to convert RMVB to MP4 online with FreeFileConvert?

Follow the link given below to access this online converter.
Add your RMVB files to the converter. You can add up to 5 files at once.
Set the output format to MP4 from the drop-down list.
Wait until your file is uploaded and converted into the MP4 format.

Highlights:

Convert up to 5 files simultaneously (combined size must be under 300 MB).
Import from Google Drive, Dropbox, and via URLs.
Option to get email notification when the conversion finishes.
Option to delete all the files after the conversion.

Home Page

FileZigZag.com

FileZigZap is a free online converter where you can convert RMVB to MP4. This website has a dedicated converter for this particular conversion. You can drag and drop up to 10 RMVB files to this converter. It supports local uploads only. There is a 50 MB limit for each file. It does not offer any additional conversion options. You can simply add the files and get them converted.

How to convert RMVB to MP4 online with FileZigZag?

Use the link given below to access FileZigZag RMVB to MP4 converter.
Upload your RMVB file to the converter.
optionally enable the email notification option.
Then start the conversion and download the converted files.

Highlights:

This website can convert 10 files simultaneously.
It can process files up to 50 MB in size.
There are no conversion settings for changing the file video.
Options to get an email with links to converted files.

Home Page

OnlineConvertFree.com

OnlineConvertFree is a free website to convert RMVB to MP4 online. You can upload your RMVB files from the local storage. Initially, you can upload one file only. Once the file is uploaded, it gives you an option to add more files. With that option, you can only add a maximum of two files with a size limit of 100 MB for each. Then you can pick an output format of your choice for the conversion. This converter allows you to select the different file formats for each file as well. After the conversion, you can download your converted files and remove them from the website. And, if you converted more than one file then you also get an option to download all the files as ZIP.

How to convert RMVB to MP4 online with OnlineConvertFree?

Follow the link given below to access this online converter.
Click on the Choose File button and add an RMVB file.
On the next screen, you can add one more RMVB file for the conversion.
Then pick MP4 as the output format for both files.
Start the conversion process to convert the MP4 files.

Highlights:

This website can convert 2 RMVB files simultaneously.
It has a 100 MB upload size limit per conversion.
It lets you pick an output format separately for each file.
There is a lack of conversion options to configure the output.

Home Page

AnyConv.com

Any Conv is a free file converter online that can convert RMVB to MP4 online. This website supports a wide variety of file-formats including image, document, audio, video, ebook, archive, font, CAD, etc. It comes with a simple converter where you can upload your files and then pick the output format for the conversion. It supports local file uploads only with no option for cloud import. The converter is limited to 1 file conversion at a time. You can add a file up to 100 MB in size and convert. One nice feature of this converter is that it automatically deletes all the files 1 hour after the conversion.

How to convert RMVB to MP4 online with Any Conv?

Go to the AnyConv website and scroll to the converter section.
Click on the Choose File button and upload your RMVB file.
In the next step, click on the output format option, search MP4 and pick that option.
Then click on the Convert button to start the conversion.
Wait for the conversion to finish and download the converted MP4 file.

Highlights:

This website converts one file at a time.
It can convert a file up to 100 MB in size.
There are no additional conversion options for the output.
It automatically deletes all the files 1 hour after the conversion.

Home Page

OnlineConverter.com

OnlineConverter is another free online file converter website that offers a wide collection of converters. It has an online RMVB to MP4 converter that can process one file at a time. It supports local uploads with a file size limit of 200 MB. It also offers some conversion options. These options cut the video by timestamps and frame size by dimensions. You can skip or customize these options as per your needs and proceed with the conversion.

How to convert RMVB to MP4 online with OnlineConverter?

Use the link given below to access this RMVB to MP4 Online Converter.
Click on the Choose File button and upload your RMVB file.
Check the Options checkbox to configure the conversion.
Click the Convert button to start the conversion.

Highlights:

This website converts one file at a time.
It has a 200 MB upload size limit for the conversion.
It has options to cut and crop the video.
Offers an option to delete the video after conversion.

Home Page

File-Converter-Online.com

File-Converter-Online is another free website to convert RMVB to MP4 online. It is a simple online file conversion website that processes one file at a time. You can upload a file from local storage or import it from Google Drive or Dropbox. You can also import a file by adding a URL to it. This website has dedicated converters for various combinations. You can use the RMVB to MP4 converter and convert your files. There is no upload size limit mentioned on the website. After the conversion, it automatically prompts to download the file and removes it after 3 hours.

How to convert RMVB to MP4 online with File-Converter-Free?

Follow the link given below to open this RMVB to MP4 converter.
Click on the Choose File button to upload your RMVB file.
Then start the conversion to get the MP4 file.

Highlights:

This website converts one file at a time.
There is no mention of an upload size limit.
It does not offer any additional conversion settings.
It automatically deleted the files 3 hours after the conversion.

Home Page

FileProInfo.com

File Pro Info offers a collection of free file tools, extensions, software, online tools, and more. There is a free RMVB to MP4 converter on this website. This is a simple converter that supports local upload only. It can convert one file at a time but there is no size limit for that. You can add an RMVB file of any size and get it converted to MP4 for free. This converter does not offer any additional conversion options and does not support cloud import as well. Also, you have to complete a captcha to start the conversion.

How to convert RMVB to MP4 online with FileProInfo?

Open this RMVB to MP4 converter using the link given below.
Click on the Select RMVB files button and upload your file there.
Then complete the captcha and start the conversion process.
Wait for the conversion to finish and then download the converted MP4 file.

Highlights:

FileProInfo converts one file at a time.
There is no upload size or conversion limit on this website.

Home Page

Zamzar.com

Zamzar is another free file conversion platform that can convert RMVB to MP4 online. You can find a converter for particular file types or use the converter from the home page. You can upload your files there and then select the output format for the conversion. However, the free plan is aggressively restricted. It allows you to convert only 2 files in 24 hours and the maximum size limit for the conversion is 50 MB. Apart from that, it offers email notifications. This feature sends you an email to alert you that your conversion is completed.

How to convert RMVB to MP4 online with Zamzar?

Open the Zamzar website in your browser or follow the link given below.
Use the Add Files button to upload your RMVB files (2 file max).
Pick MP4 as the output format for the conversion.
Start the conversion and wait till it finishes. Or enable the email notification instead.