12 Best WebM to MP4 Converter to Convert WebM to MP4

Convert Video to MP4
WebM to MP4

WebM video format is designed mainly for HTML5 video playing. The video quality of WebM is roughly similar with MP4, while its file size is quite smaller. However, if you wanna play WebM videos on mobile browsers or other media players, you need to convert WebM format to MP4. WebM to MP4 conversion is not a difficult task. You can read this post to get WebM to MP4 converter freeware or professional video converters that enable you get converted MP4 file in high quality.

Section 1: Top 5 Free WebM to MP4 Converter

The followings are best 5 online WebM to MP4 Converter programs. If you do not convert WebM to MP4 frequently, then using online video converter freeware is a better choice.

Top 1: Convertio

URL: https://convertio.co/webm-mp4/

Convertio is the online WebM to MP4 converter that accepts WebM files under 100MB. So if you just need to convert a WebM to a MP4 online, then come and choose Convertio.


  • Support WebM video sources from computer, Dropbox, Google Drive or URL
  • More than 200 formats supported for video conversion
  • Convert WebM files to MP4 free on Windows and Mac computer


Make sure your WebM file size is no more than 100MB

How to Convert WebM to MP4:

Step 1: Import your HTML5 video.

Step 2: Set "MP4" as the output video format.

Step 3: Choose the folder to save your converted MP4 video.

Step 4: Hit "convert" to convert WebM file to MP4.

WebM to MP4 with Convertio

Top 2: Online-convert

URL: https://video.online-convert.com/convert-to-mp4

Online-convert allows users to customize WebM videos before MP4 conversions. Thus, you can both edit and convert WebM to MP4 online for free.


  • Upload MP4 file from computer, URL, Dropbox and Google Drive
  • Offer "Optional Settings" menu and enable users to edit original WebM video
  • The MP4 converter can convert from over 50 source formats


The WebM to MP4 converter fails to batch convert WebM to MP4 online

How to Convert WebM to MP4:

Step 1: Upload your WebM video.

Step 2: Edit the original video with "Optional Settings" below.
You can cut video, change video bitrate and do other more settings.

Step 3: Tap "Convert" to start WebM to MP4 conversion online.

WebM to MP4 with Online-convert

Top 3: Zamzar

URL: http://www.zamzar.com/convert/webm-to-mp4/

Zamzar is the precise online and free WebM to MP4 converter. Every time you use Zamzar to convert videos, you can learn detailed knowledge about file extensions.


  • Display information of WebM and MP4 video files
  • Send email of converted MP4 video instead of downloading directly
  • Support using modern versions of Google Chrome, Firefox and Safari to open WebM files


No basic video-editing filters to manage original WebM file

How to Convert WebM to MP4:

Step 1: Drag and drop your Webm file.

Step 2: Choose "MP4" from the "Convert files to" option.

Step 3: Enter your email address.

Step 4: Tap "Convert" to convert WebM to MP4 online.

WebM to MP4 with Zamzar

Top 4: Cloudconvert

URL: https://cloudconvert.com/webm-to-mp4

Cloudconvert is the online video converter that can convert any video to MP4 without installing third party apps. And you are able to convert MKV to WebM because this online tool supports various video formats.


  • Import WebM video from computer, URL, Dropbox, Google Drive, OneDrive and Box
  • Offer Cloudconvert iOS app and Chrome plugin
  • Send converted MP4 files to Dropbox and other cloud storage space


No built-in video editors in the WebM to MP4 online converter

How to Convert WebM to MP4:

Step 1: Hit "Select Files" button to import the WebM file.

Step 2: Choose "MP4" as the output video format.

Step 3: Hit "Start Conversion" to get converted MP4 video from WebM.

WebM to MP4 with Cloudconvert

Top 5: Aconvert

URL: https://www.aconvert.com/video/webm-to-mp4/

Aconvert is the simple but useful WebM to MP4 online converter. Of course, you can also cut, merge, rotate, crop and edit converted html5 to MP4 video for free.


  • Change size, bitrate or frame rate of original WebM video
  • Upload WebM files from computer or URL
  • Convert document, ebook, image, video, audio, archive and webpage for free


Not able to change video quality, cut video and do other settings

How to Convert WebM to MP4:

Step 1: Click "Choose File" to upload your WebM video.

Step 2: Select "MP4" from the "Target Format" drop-down menu.

Step 3: Adjust video setting to change size, bitrate or framerate.

Step 4: Hit "Convert Now!" in the WebM to MP4 free converter.

WebM to MP4 with Aconvert

Section 2: Top 7 Professional WebM to MP4 Converter

Here are paid WebM to MP4 converter programs. You can get much more video editing filters than above free video converters. And it will be easier to manage your large number of videos on Windows or Mac computer.

Top 1: Tipard Video Converter Ultimate

You can use Tipard Video Converter Ultimate to convert any 4K video, HD, or general ones. And the output MP4 video is highly compatible with most popular devices including iPhone 12/11/XS/XR/X/8/7 and more. Furthermore, Video Converter Ultimate Video offers video enhancer that can optimize converted MP4 video in best video quality automatically. Thus, once you can convert WebM to MP4 on Mac and PC freely.


  • Rip DVD movies through the video converter
  • Numerous built-in filters enable users to customize and enhance video quality directly
  • Output converted video files without quality loss

How to Convert WebM to MP4:

Step 1

Upload WebM videos to WebM to MP4 converter

Free download AnyMP4 Video Converter Ultimate. Launch it and click "Add File" button. Select which WebM video to add from Mac or PC from the popping-up browser.

Step 2

Customize WebM videos

Tap "Edit" to enter video-editing page with various filters. You can rotate video, crop video, enhance video effect and add watermark. There is the preview window displayed above the Original Preview window, with which you can customize WebM video easier.


Step 3

Convert WebM to MP4 on Mac/PC

Select "MP4" from "Profiles" drop-down menu. Set the destination folder to save converted WebM video. Hit "Convert" button on the professional WebM to MP4 Converter to start converting WebM to MP4 without losing quality.

Edit Video

Top 2: Movavi Video Converter

Movavi Video Converter allows users to convert WebM to MP4 and other formats in lightning-fast speed without quality loss. Compares with online WebM to MP4 converters, you can get more filters to customize WebM files on Windows and Mac computers.


  • Convert WebM to MP4 quickly with the WebM to MP4 freeware
  • Offer several parts to edit video, audio, devices and images on PC and Mac
  • Numerous media formats supported


No video-editing filters inserted

How to Convert WebM to MP4:

Step 1: Free download Movavi Video Converter on Mac OS X or Windows.

Step 2: Hit "Add Media" and "Add Video" to upload your HTML5 video file.

Step 3: Specify the output format as "MP4".

Step 4: Hit "Convert" to start WebM file to MP4 conversion for free.

WebM to MP4 with Movavi Video Converter

Top 3: Wondershare Video Converter Ultimate

Wondershare Video Converter Ultimate can convert video to thousands of formats. So it is quite easy to convert WebM files to MP4 format here. You can get many choices to edit, convert, download and record videos on Windows and Mac with ease.


  • Convert videos over 1000 formats including WebM, MP4, MKV, FLV and more
  • Edit, enhance and personalize your original WebM video files
  • Offer versatile toolbox of video metadata, GIF maker, VR converter, etc

How to Convert WebM to MP4:

Step 1: Launch Wondershare Video Converter Ultimate.

Step 2: Turn to "Convert" page and hit "Add Files" to add the HTML5 video.

Step 3: Select "MP4 Video" in the "Convert All Files to" option.

Step 4: Tap "Convert All" to convert WebM file format to MP4 file format.

WebM to MP4 with Wondershare Video Converter Ultimate

Top 4: Free WebM to MP4 Converter 1.0

Free WebM to MP4 Converter offers straightforward interface that enables users to convert WebM to MP4 videos only. And just as its name has shown, it is the free WebM to MP4 converter, so you do not need to pay anything to have a try.


  • Convert WebM to MP4 free directly
  • Easy to use interface and simple WebM to MP4 operation


  • Only WebM to MP4 conversion supported
  • No extra video-editing tools and features

How to Convert WebM to MP4:

Step 1: Free download Free WebM to MP4 Converter 1.0.

Step 2: Launch it and hit "Add" button to add your WebM video.

Step 3: Set the output folder to save converted MP4 file.

Step 4: Tap "Convert to MP4" button to start.

WebM to MP4 with Free WebM to MP4 Converter

Top 5: Any Video Converter

Any Video Converter offers wide-range video formats for you to choose. In another word, you are able to convert WebM files to any common video format freely in fast speed.


  • Convert videos between any formats freely
  • Rip and extract audio from CDs and videos

How to Convert WebM to MP4:

Step 1: Free download Any Video Converter.

Step 2: Launch the WebM to MP4 converter and hit "Add Video" on the toolbar.

Step 3: Select "MP4" as output format from the drop-down list.

Step 4: Tap "Convert Now!" button to convert WebM to MP4 for free.

Any Video Converter

TOP 6: VLC Media Player

VLC Media Player is a powerful platform multimedia player which can play most multimedia files. Besides, it can be a WebM to MP3 converter on Windows, Mac, Linux, and more platforms. As a media player and WebM to MP3 converter, it has no spyware, no ads, and no user tracking.


  • Open folder, disc, network stream directly.
  • Support almost all file formats
  • Offer detailed adjustment.


  • It cannot convert WebM to MP3 on mobile phone.
  • Thew interface is not user-friendly as a WebM to MP3 converter.

How to Convert WebM to MP4:

Step 1: Free download and launch the VLC Media Player Then, click the "Media" button.

Step 2: Click the "Convert/Save" and add video files to your conversion list.

Step 3: Tap the "Convert/Save" and set mp4 as your output format.

Step 4: Finally, choose the destination file and click the "Start".

Convert Webm to MP4 Files

TOP 7: FFmpeg

FFmpeg is the leading multimedia framework, which can decode, encode, transcode, and play pretty much video formats. FFmpeg is also a very fast video and audio converter that can also grab from a live audio/video source. It supports the most obscure ancient formats up to the cutting edge.


  • Create or convert one format to another format.
  • Process raw audio and video frames.
  • Provide more options of manual control of stream selection.


  • It is not easy to use for beginners.
  • It is slow to convert WebM to MP4 in FFmpeg with the command line.

How to Convert WebM to MP4:

Step 1: Download and install FFmpeg, and you can access it from the command line.

Step 2: Run FFmpeg on your computer, and it works on multiple paltforms.

Step 3: Input the command line: ffmpeg -i input.webm output.mp4.

Then FFmpeg will process the WebM to MP4 videos conversion.

Be aware that video and audio encoding can take a very long time to run.

FFMpeg Convert Webm to mP4
Updated by Lily Stark to Convert Video
May 21, 2021 09:17
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12 Best WebM to MP4 Converter to Convert WebM to MP4