In the digital media field, the WebM format is popular for its open source features and efficient compression capabilities.

However, sometimes you may need to convert your WebM file to more common formats such as MP4 , AVI , or MKV .

This article will guide you to convert WebM to various formats using simple Linux command line tools.

Understand WebM and its advantages

WebM is a multimedia container format developed by Google , designed primarily as a royalty-free alternative to the widely used H.264 video codec.

It supports VP8 and VP9 video codecs, as well as Opus and Vorbis audio codecs. The WebM format is known for its excellent compression efficiency, making it a popular choice for online video streaming and storage.

A key advantage of WebM is its open source nature, which means it is free to be used, modified and distributed without licensing fees or royalties.

Install FFmpeg and HandBrake tools on Linux

To convert WebM files to other formats on Linux, you need to install the following tools on your system:

FFmpeg is a powerful multimedia framework that can handle a variety of video and audio formats. This is the main tool we will use for the transformation process.

 <code>sudo apt install ffmpeg [在<strong>Debian, Ubuntu和Mint</strong>上] sudo yum install ffmpeg [在<strong>RHEL/CentOS/Fedora</strong>和<strong>Rocky/AlmaLinux</strong>上] sudo emerge -a sys-apps/ffmpeg [在<strong>Gentoo Linux</strong>上] sudo apk add ffmpeg [在<strong>Alpine Linux</strong>上] sudo pacman -S ffmpeg [在<strong>Arch Linux</strong>上] sudo zypper install ffmpeg [在<strong>OpenSUSE</strong>上] sudo pkg install ffmpeg [在FreeBSD上]</code>

While FFmpeg is a versatile tool, you may also want to consider using HandBrake , a popular open source video transcoder that provides a user-friendly graphical interface that is especially suitable for batch conversions or more complex video processing tasks.

 <code>sudo apt install handbrake-cli [在<strong>Debian, Ubuntu和Mint</strong>上] sudo yum install handbrake-cli [在<strong>RHEL/CentOS/Fedora</strong>和<strong>Rocky/AlmaLinux</strong>上] sudo emerge -a sys-apps/handbrake-cli [在<strong>Gentoo Linux</strong>上] sudo apk add handbrake-cli [在<strong>Alpine Linux</strong>上] sudo pacman -S handbrake-cli [在<strong>Arch Linux</strong>上] sudo zypper install handbrake-cli [在<strong>OpenSUSE</strong>上] sudo pkg install handbrake-cli [在FreeBSD上]</code>

Convert WebM to another format using FFmpeg

FFmpeg is a powerful command line tool that can handle a variety of video and audio formats. To convert a WebM file to another format, you can use the following common command structure:

 <code>ffmpeg -i input_file.webm -c:v codec_name -c:a codec_name output_file.format</code>

Convert WebM to MP4 on Linux

To convert WebM files to MP4 files using H.264 video codec and AAC audio codec.

 <code>ffmpeg -i input_file.webm -c:v libx264 -c:a aac -f mp4 output_file.mp4</code>

Convert WebM to AVI on Linux

To convert WebM files to AVI files using H.264 video codec and MP3 audio codec.

 <code>ffmpeg -i input_file.webm -c:v libx264 -c:a mp3 output_file.avi</code>

Convert WebM to MKV on Linux

To convert WebM files to MKV files using H.264 video codec and AAC audio codec.

 <code>ffmpeg -i input_file.webm -c:v libx264 -c:a aac output_file.mkv</code>

Convert WebM to another format using HandBrake

HandBrake is a user-friendly video transcoder that can also be used to convert WebM files to other formats.

Here is how to convert using the HandBrake command line interface (CLI):

Convert WebM to MP4 using HandBrake CLI

The following command converts a WebM file with x264 video codec and quality set to 20 to MP4 file.

 <code>handbrake-cli -i input_file.webm -o output_file.mp4 -f mp4 -e x264 -q 20</code>

Convert WebM to AVI using HandBrake CLI

The following command converts a WebM file with x264 video codec and quality set to 20 to AVI file.

 <code>handbrake-cli -i input_file.webm -o output_file.avi -f avi -e x264 -q 20</code>

Convert WebM to MKV using HandBrake CLI

The following command converts a WebM file with x264 video codec and quality set to 20 to MKV file.

 <code>handbrake-cli -i input_file.webm -o output_file.mkv -f mkv -e x264 -q 20</code>

Batch Convert WebM Files

If you have multiple WebM files that need to be converted, you can use a simple shell script to automate the process.

Here is a sample script that uses FFmpeg to convert all WebM files in a directory to MP4 format:

 <code>#!/bin/bash for file in *.webm; do ffmpeg -i "$file" -c:v libx264 -c:a aac "${file%.webm}.mp4" done</code>

Save this script as a file (for example, webm_to_mp4.sh ) and make it executable using the following command:

 <code>chmod x webm_to_mp4.sh</code>

Then, run the script in the directory containing your WebM files:

 <code>./webm_to_mp4.sh</code>

This will convert all WebM files in the directory to MP4 format.

in conclusion

In this article, we explore the process of converting WebM files to other popular video formats such as MP4 , AVI , and MKV on Linux using the powerful FFmpeg and HandBrake tools.

By understanding the benefits of the WebM format and the conversion tools available, you can now easily adjust your video files to suit your specific needs and ensure compatibility across a variety of media players and platforms.

Remember that specific command line options and parameters may vary depending on your needs, such as the required video and audio codec, quality settings, and output file format.

Feel free to try and customize the commands for the best video conversion effect.

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