How to open a .mp4 file?

MP4 files can be opened by most video players and editors. You can also convert MP4 to other formats online using SquishConvert.

How to convert a .mp4 file?

Upload your .mp4 file to SquishConvert, select an output format, and click Convert. Your converted file will be ready to download in seconds.

Video format

.mp4

MPEG-4 Part 14

MP4 is the most widely used video format in the world. It's the default for everything from YouTube to TikTok, smartphones to streaming services. If you need one video format that works everywhere, MP4 is it.

MIME type

video/mp4

Developer

ISO / Moving Picture Experts Group

Introduced

2001

Advantages

Universal compatibility
Excellent compression with H.264/H.265
Supports subtitles and multiple audio tracks
Streaming-friendly with progressive download

Limitations

Lossy compression
Patent-encumbered codecs
Quality varies greatly by encoding settings
Large files at high quality

When to use MP4

Video sharing and social media

Streaming platforms

Mobile video recording

Web video playback

Technical details

MP4 is a container format based on Apple's QuickTime. It typically contains H.264 or H.265 video with AAC audio. Supports resolutions up to 8K, multiple audio/subtitle tracks, and metadata.

Convert MP4 to other formats

7 conversion options available

MP4 to WebM MP4 to MOV MP4 to AVI MP4 to MKV MP4 to FLV MP4 to WMV MP4 to 3GP

Convert to MP4 from other formats

7 formats can be converted to MP4

WebM to MP4 MOV to MP4 AVI to MP4 MKV to MP4 FLV to MP4 WMV to MP4 3GP to MP4

Ready to convert your MP4 files?

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.mp4

Advantages

Limitations

When to use MP4

Technical details

Convert MP4 to other formats

Convert to MP4 from other formats

Ready to convert your MP4 files?

Other video formats

.mp4

Advantages

Limitations

When to use MP4

Technical details

Convert MP4 to other formats

Convert to MP4 from other formats

Ready to convert your MP4 files?

Other video formats