.mov

File format · Released 1991 · By Apple Computer

About MOV Files

QuickTime Movie

MOV is Apple's QuickTime container format, widely used in video production on macOS and iOS. It supports high-quality codecs like ProRes and is the default recording format for iPhones and professional cameras.

Family

Video Files

Extension

.mov

MIME Type

video/quicktime

Can Use As

Input Output

● Hex Magic-Bytes Signature (Offset 0x00) Video Files Binary/Text Stream

4D 4F 56 46 00 01 00 00 4B 41 49 4A ASCII: MOVF....KAIJ

Convert MOV → MP4 → 28+ CONVERSIONS ↓

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Lossless JPEG Q100 + standard COM segment padding for government & exam portals

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The story

HOW MOV CAME TO BE.

1991

2001

QuickTime launched in December 1991 as Apple’s digital video system for Mac, and .mov was its native container. Apple’s design was ahead of its time: a single file could hold video, multiple audio tracks, subtitles, chapters, sprites, and arbitrary custom tracks. That architecture was so ahead of the field that ISO borrowed it wholesale for MPEG-4 in 2001 — the MP4 container is literally the QuickTime file format with a different header.

For three decades .mov has been the lingua franca of professional video editing. Final Cut Pro, Adobe Premiere, DaVinci Resolve, and Avid all work natively in MOV. Broadcast pipelines, post houses, and indie filmmakers all ship MOV masters with ProRes codecs inside. Consumer-facing .mov files are rarer now as iPhones record MP4/HEVC — but professional video stays MOV.

ISO / MIME SPECS

Technical Specifications

MIME type: video/quicktime
Extensions: .mov, .qt
Container: QuickTime File Format (ISO Base Media File Format)
Common codecs: ProRes, H.264, HEVC, DNxHD, Animation
Max file size: 2^64 bytes

Typical Sizes & Weights

iPhone 4K clip (HEVC, 1 min)

170-300 MB

4K ProRes 422 (1 min)

400-600 MB

1080p ProRes 4444 (1 min)

800 MB - 1.5 GB

STRENGTHS & LIMITATIONS.

Strengths

Professional-grade container — supports ProRes, DNxHD, and every pro codec.
Multi-track friendly — video, audio, subtitles, chapters, markers all coexist.
Native in every major NLE (Final Cut, Premiere, Resolve, Avid).
Low overhead — the ISOBMFF structure is efficient.
Timecode, alpha channels, and HDR metadata are first-class citizens.

Limitations

Windows and Linux need QuickTime or FFmpeg-based players to read all features.
ProRes-encoded MOVs are gigantic — 4K clips run 400-900 MB/minute.
Metadata format diverges slightly from MP4, which causes interop bugs.
Older QuickTime codecs (like Animation or DV) are considered legacy.

CURIOSITIES & TRIVIA.

The ISO MP4 container spec is literally a copy of the QuickTime file format with a new MIME type.

A single .mov file can hold dozens of tracks: multiple videos, audio languages, subtitles, chapters, even 3D geometry.

Apple ProRes (standard editing codec in pro video) lives almost exclusively inside .mov containers.

The QuickTime Player on macOS can play 28 different video formats but only writes .mov natively.

Final Cut Pro's entire render pipeline assumes .mov — you can import MP4 but output is always MOV.

STUDIO TOOLS FOR MOV

Specialized Utilities for .MOV Files

View all 45 tools →

compress →

Reduce Video Size

Compress video files to reduce size for sharing and uploading. Adjustable quality settings let you balance file size and visual quality.

convert →

Convert Video for WhatsApp

Convert and compress videos to meet WhatsApp size and format requirements. Automatically adjusts resolution, codec, and file size for seamless sharing.

convert →

Video to GIF

Convert short video clips to animated GIFs. Set custom start time, duration, frame rate, and output size. Great for memes, reactions, and social sharing.

extract →

Video to MP3 Audio Extractor

Extract high-bitrate MP3 audio tracks from MP4, MOV, MKV, AVI, and WebM video recordings in seconds—ideal for podcasts, lectures, and interviews.

extract →

Extract Audio from Video

Extract the audio track from any video file and save it as MP3, WAV, or other audio formats. Perfect for creating podcasts, music rips, or voice-only recordings.

CONVERT FROM MOV

mov jpg mov png mov webp mov gif mov bmp mov mp4 mov mkv mov avi mov webm mov flv mov wmv mov 3gp mov mp3 mov wav mov flac mov aac mov m4a mov ogg mov opus mov wma mov ogv mov m4v mov ts mov dv mov m2v mov mjpeg mov nut mov y4m

CONVERT TO MOV

mp4 mov avi mov mkv mov webm mov flv mov wmv mov mpeg mov 3gp mov ogv mov vob mov m4v mov ts mov m2ts mov mts mov mpg mov asf mov dv mov f4v mov h264 mov h265 mov m2v mov mjpeg mov mxf mov rm mov rmvb mov divx mov nut mov y4m mov swf mov

Common Use Cases

Video editing, Apple ecosystem, professional video production.