Convert WebM to MP4

Convert WebM to MP4 quickly and easily, in your browser
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A simple yet powerful tool to convert WebM to MP4

If you're looking for an easy way to convert your WebM videos to MP4, you're in the right place! Our online video editor automatically converts any video you upload to MP4 without compromising on visual or audio quality. You can bring your files over from your computer as well as online storage services and our cloud-powered tool will process and convert them in minutes. 

Flixier also allows you to cut or trim your WebM video, enhance it with filters and color correction sliders, or replace the audio. It's all done in your web browser, using an intuitive click and drag interface so no video editing experience is required. You can even generate subtitles and voice overs for your clips!

Convert WebM to MP4

Save time with an online WebM to MP4 converter 

Our WebM to MP4 converter runs entirely in your web browser! This means that you don't need to download or install anything to your computer in order to use it, saving you a lot of time and headaches in the process. You don't even have to register an account in order to convert your files.

Combine and convert WebM file to MP4

Flixier allows you to easily combine multiple files together with ease. Our online video editor is also compatible with all of the popular media formats, so you can easily combine WebM videos with MKVs and MP3 audio and then save the final video as an MP4, for example. 

Edit and convert Webm files to MP4 easily 

Flixier isn’t just a file converter! It’s a fully featured online video editor that you can use to edit your WebM clips right in your web browser. Make precise cuts, trim the duration of your videos and apply transitions, motion text and color corrections easily, by clicking and dragging. 

Try a cloud integrated WebM to MP4 converter online 

Our cloud integrations allow you to edit your files even when they aren’t on your computer. You can bring files over directly from cloud storage services like OneDrive, Dropbox or Google Drive. You can also choose to publish your videos directly to YouTube or have them saved to a cloud storage platform as well, in order to save time and hard drive space.

How do I convert a WebM file to MP4?

How do I convert a WebM file to MP4?

Bring the WebM files you want to convert over to your Flixier library. You can either drag them over from your computer or bring them over from online cloud storage services.


Drag the WebM video you want to convert down to the Timeline. Cut your video, trim it, or combine it with other images, clips and audio tracks. Use the menu on the right side of the screen to enhance your video with filters using the vibrance, brightness and contrast sliders. 

Convert and Download

When you’re done editing your video, click on the Export and Download button in the top right corner. Make sure that Video is selected under Format, and then click on Export and Download again. Flixier will take a few minutes to process your video and then it will be saved to your computer.

Why use Flixier to convert WebM videos to MP4?

Take advantage of a free online WebM to MP4 converter

Flixier is entirely free to try. You don’t even need to register an account in order to use it. Our main file conversion and editing features are all available to free users as well, so you can try Flixier out and experience it for yourself before deciding whether or not you want to upgrade to a paid account. 

Replace the audio and convert your WebM to MP4 online 

Our powerful editing features make it easy to adjust or even replace the audio in your video. You can upload audio tracks from your computer, paste in SoundCloud links or even record audio directly to Flixier with your computer’s microphone. You can also generate natural sounding voice overs in multiple languages quickly and easily with our text to speech tool. 

Add subtitles to your WebM before converting it to MP4 online

Making your videos accessible is important if you want them to be enjoyed by as many people as possible. Flixier makes this easy by allowing you to generate automated subtitles in minutes and translate them to over 30 different languages. You can customize and hardcode the subtitles into the video or save them to your computer as separate files. 

A quick and easy way to convert WebM videos to MP4 

Flixier’s intuitive interface makes it an easy way to convert and edit WebM files, even if you don’t have any previous video editing experience. What’s more, our cloud servers do all the heavy lifting for you, ensuring that your videos are processed in minutes regardless of your computer specifications. All you need is an internet connection. 


I’ve been looking for a solution like Flixier for years. Now that my virtual team and I can edit projects together on the cloud with Flixier, it tripled my company’s video output! Super easy to use and unbelievably quick exports.

Steve Mastroianni -

My main criteria for an editor was that the interface is familiar and most importantly that the renders were in the cloud and super fast. Flixier more than delivered in both. I've now been using it daily to edit Facebook videos for my 1M follower page.

Evgeni Kogan

I'm so relieved I found Flixier. I have a YouTube channel with over 700k subscribers and Flixier allows me to collaborate seamlessly with my team, they can work from any device at any time plus, renders are cloud powered and super super fast on any computer.

Anja Winter, Owner, LearnGermanWithAnja

Frequently asked questions.

Frequently Asked Questions

If you have any further questions, Get in touch with our friendly team
If you have any further questions, Get in touch with our friendly team

Can you save WebM as MP4?

Can you save WebM as MP4?

You can convert and save WebM videos as MP4 using an online converter tool like Flixier.

What can open WebM files?

What can open WebM files?

WebM files can be opened by most modern browsers. If you don’t want to play one using your web browser, you can always rely on VLC Player to open it. 

Can I convert WebM to MP4 for free?

Can I convert WebM to MP4 for free?

Yes, you can easily convert WebM files to MP4 using Flixier.

Can I convert WebM to MP4 for free?

Can I convert WebM to MP4 for free?

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