mp4

.mp4 — MPEG-4 Video

Moving Picture Experts Group · 2001

개발자

Moving Picture Experts Group

카테고리

비디오

MIME 유형

video/mp4

최초 출시

2001

오픈 포맷

예

파일 서명

66 74 79 70 (ftyp)

.mp4 파일이란?

MP4 (MPEG-4 Part 14) is the most popular video container format in the world. It can store video, audio, subtitles, and still images in a single file. MP4 typically uses H.264 or H.265 video codecs with AAC audio, delivering excellent quality at relatively small file sizes. It is the standard format for online video streaming, social media uploads, and digital video storage.

.mp4 파일을 여는 프로그램

플랫폼	프로그램
Windows	VLC Media Player	무료
	Windows Media Player	무료	공식
	PotPlayer	무료
macOS	QuickTime Player	무료	공식
	VLC Media Player	무료

.mp4 파일의 일반적인 문제

⚠️ Cannot open .mp4 file

Install one of the recommended programs listed above. For a free option, try the first free program in the list.

⚠️ .mp4 file is corrupted

Try re-downloading the file. If the file was transferred, ensure the transfer completed without errors.

자주 묻는 질문

What program opens .mp4 files?▼

.mp4 files can be opened with several programs. VLC Media Player is one of the most popular choices.

Is .mp4 a safe file format?▼

Generally yes, .mp4 files are safe to open with appropriate software.

Can I convert .mp4 to another format?▼

Yes, there are many online and offline tools available to convert .mp4 files. Check the conversion section above for specific methods.

기술 세부 정보

MPEG-4 Video files use the video/mp4 MIME type and were first introduced in 2001 by Moving Picture Experts Group. The file can be identified by its signature: 66 74 79 70 (ftyp).

알고 계셨나요?

MPEG-4 Video was first released in 2001 by Moving Picture Experts Group

보안 정보

.mp4 files are generally safe to open. However, always ensure your software is up to date to protect against potential vulnerabilities.