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Convert MP4 to WEBM

Convert WEBM to MP4

Convert online and free WEBM to MP4

Free: up to 750 MB per file (Premium: 20 GB)
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Converting in only three steps

1
Upload file
2
Choose target filetype
3
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convert . webm to . mp4
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4.4/5(31 votes)

The WEBM video format is widely used for online playback, but isn't compatible with all devices or programs. If you want to convert a WEBM file to the widely used MP4 format, file-converter-online.com offers a quick and easy solution – no installation required and no watermark. The conversion takes place in three simple steps:

  1. Upload file: Select the desired WEBM file directly from your device.
  2. Press "Start Conversion": The online converter will immediately begin converting to MP4 format.
  3. Download file: After a few moments, the converted MP4 file will be ready for download.

The conversion takes place entirely in the browser—no software installation required. Your files are processed securely and automatically deleted after a short time. We take it for granted: The result contains no watermark and is ready for immediate reuse. With file-converter-online.com, WEBM files can be easily converted to MP4—ideal for smooth playback on virtually all devices and platforms.

4.4/5(31 votes)

Sören RamspeckLast updated on April 11, 2025 by Sören Ramspeck with the experience of more than 128,416,474 converted files since 2013.

How to convert WEBM to MP4 online?

  1. Upload WEBM file Choose your WEBM file with the "Choose File" Button, Drag & Drop or import it directly from Dropbox/Google Drive.
  2. Choose target filetype MP4 is set as default target format. Change it if you need a different target filetype for your conversion.
  3. Start Conversion Click "Start Converting!". Most files process in seconds, only the largest files may take a few minutes.
  4. Download your MP4 file Download your finished MP4 file. Your files will be automatically deleted from our servers.
How to convert WEBM files online to MP4

Currently we support the following conversions with WEBM files:

All Converters

Information about the extensions for the conversion from webm to MP4

From: webm

Open video container for the web (VP8/VP9)

WEBM is a file format for playing videos and music, similar to other video files like WMV and MP4. Specifically, WEBM is a container format for audio and video files with the file extension .webm. WEBM was specially developed for use on the Internet …

File extension: .webm
More information and converters for webm

To: MP4

universal MPEG-4 video container

MP4 is a container format that can include multimedia content such as video and sound tracks, graphics, 2D and 3D animations, subtitled texts, interactive applications in the form of menus, and much more. Despite the strong compression, a file in MP4 …

File extension: .mp4
More information and converters for MP4

Convert WEBM to MP4 - Frequently asked Questions

Once uploaded, the conversion is quick, taking around 1 second per 10 MB. This means that a 100 MB WEBM file will be converted to MP4 in around 10 seconds. Progress is indicated by a progress bar.
The video’s resolution and frame rate remain unchanged. As the video is re-encoded for the MP4 container, the image quality will be slightly lower, as is the case with re-encoding; however, this will usually be barely noticeable.
WEBM files generally use the highly efficient VP8 or VP9 codecs. To ensure the best possible compatibility with MP4 files, H.264 is usually used, so you can expect the MP4 file to be slightly larger.
The conversion can be carried out on any device with a web browser and a stable internet connection.
Yes, the conversion can also be reversed. But be careful: the conversion cannot be 'undone'. Every additional conversion results in a slight loss of image quality.
Up to 3 files per hour, even simultaneously, can be converted free of charge. With our Premium version, you can convert up to 50 files at the same time.
WEBM videos up to 750 MB can be converted free of charge. With our Premium plan, files of up to 20 GB are supported.

Convert WEBM to MP4

Video-Tutorial: Convert WEBM to MP4

File-Converter-Online.com converts your files for free – no registration, no installation, no watermarks. Works on any device - Windows, macOS, Linux, Android and iOS. The free version supports files up to 750 MB, with Premium up to 20 GB. Our servers are located in Germany, all files are encrypted during transfer and automatically deleted after conversion. Since 2013, we have converted over 128,416,474 files - if you have any questions or issues, you can reach us anytime via the contact form.

2 Comments

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  1. your mom
    12. June 2022

    ok nice

  2. rohin
    29. October 2020

    amazing!


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