How to Convert WEBM to MP4 Online?

free WEBM to MP4 Converter

Add WEBM file(s) that you want to convert.


Select MP4 as the output format you want to convert WEBM file(s) to.


Click CONVERT to convert your WEBM file(s).


Click DOWNLOAD to save your converted MP4 file(s).

Differences Between Online and Desktop Converters

online webm converter

Online Converter

  • Long-time wait
  • Up to 100MB file size
  • Popular formats supported
  • A maximum of 2 files in one conversion
  • Slow conversion speed
fast desktop converter

Faster Desktop Converter

  • 0 second wait
  • No size limits
  • 1000+ formats supported
  • Limitless batch conversion mode integrated
  • 30X faster than any converter

How to Convert WebM to MP4 and Vice Versa Easily

With .WEBM extension, a WebM is an audiovisual media file format by Google. Being new in the field, a lot of PCs, devices, and smartphone would need plug-ins, components, and other specific requirements to play WebM files. Thus, to avoid this hassle, a simple solution would be to convert WebM to MP4 which is a widely accepted format. There is no dearth of free WebM to MP4 converter, online WebM to MP4 converter, and other desktop software. Wondershare UniConverter (originally Wondershare Video Converter Ultimate) is one such professional MP4 converter that works as excellent video converter WebM to MP4. Available for both Windows and Mac system, the software supports more than 1000 formats, facilitates video editing, allows video download, and performs an array of other functions as well. Reverse conversion that is from MP4 to WebM is also supported. The steps below will help you on how to convert WebM to MP4:

Step 1: Open Wondershare WebM to MP4 video converter.

Launch Wondershare UniConverter (originally Wondershare Video Converter Ultimate) on your PC/Mac after it is successfully downloaded and installed.

One-Stop Easy Solution to Convert, Edit, Burn Media Files and More.

Step 2: Add WebM files to the WebM to MP4 converter.

Click +Add Files from the Convert tab to browse and load WebM videos from your PC to the software interface. You can also simply drag and drop the files. For batch processing, multiple files at a time can be added.

After files are added, you can also edit them by clicking one of the icons of Trim, Crop, and Apply Effects under the video thumbnail.

Add WebM files to the WebM to MP4 converter

Step 3: Choose MP4 as output format.

Open the drop down menu at Convert all files to: option at the top-right corner. From the new pop-up window, select MP4 format and resolution from the Video tab.

To change frame rate, bit rate, resolution and other parameters, hit +Create Custom. Select the desired values and click Create.

Choose MP4 as output format.

Step 4: Convert WebM files to MP4.

Select the location on your PC to save the converted file at the Output tab or just keep what it is by default. And then hit the Convert All button to change WebM to MP4.

Convert WebM files to MP4

The steps above can also be used to convert MP4 to WebM. In place of WebM, you need to add MP4 as input file, and select WebM as output file format.

Use Wondershare UniConverter (originally Wondershare Video Converter Ultimate) for all your video related needs, be it WebM file to MP4 conversion, MP4 to WebM Mac/PC conversion, video editing, download, recording, DVD burning or others.

Frequently Asked Questions About WebM Converter


Convert webfile to a variety of other formats:

Convert WEBM to AVI (Audio Video Interleave)

Convert WEBM to WMV (Windows Media Video)

Convert WEBM to MOV (QuickTime File Format)

Convert WEBM to WAV (Waveform Audio File Format)

Convert WEBM to M4A (Compressed Audio File)

Convert WEBM to MP3 (MP3 Audio Format)

Convert WEBM to FLV (Flash Video)

Convert WEBM to OGG (Ogg Vorbis Compressed Audio File)

Convert WEBM to OGV (Ogg Vorbis Video)