It combines wide support with strong compression, so it plays on nearly every device and platform while keeping files small.
Video Glossary
MP4
MP4 is a widely used digital format that stores video, audio, and subtitles in a single file.
What is MP4?
MP4 is one of the most common video file formats. It stores video, audio, and even subtitles in a single file, and it plays on nearly every device, browser, and platform. When in doubt, MP4 is the safe choice for sharing video online.
Why MP4 is so popular
MP4 combines wide support with strong compression, so files stay small without a big drop in quality. That balance is why social platforms, video players, and streaming services all favor it.
MP4 vs. other formats
Formats like MOV offer high quality for editing, while others suit specific uses. For final delivery, MP4 is usually best because it plays everywhere and keeps file sizes manageable.
MP4 and your videos
Most tools export to MP4 by default, and it is the standard for on-demand and social video. If you need audio only, you can also convert files, for example with a video to MP3 tool.
Frequently Asked Questions
Why is MP4 the most common video format?
What is the difference between MP4 and MOV?
They often hold similar video, but MOV suits editing and Apple devices, while MP4 is best for final delivery because it plays almost everywhere.
Should I export my videos as MP4?
For sharing online, yes. MP4 is the safe default for social, web, and on-demand video (https://livestorm.co/webinar-software/on-demand-webinars).
Can I convert an MP4 to audio only?
Yes. You can extract the audio, for example with a video to MP3 tool (https://livestorm.co/tools/convert/mp4-to-mp3).
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