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QT File - What is a .qt file and how do I open it?
Learn about .QT files and view a list of programs that open them.
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Overview
What is a QT file? A QT file is a movie file saved in the QuickTime File Format (QTFF), a multimedia container format developed by Apple. It contains one or more audio, video, or text (subtitle) tracks and typically uses the MPEG-4 codec for compression. QT files most often store movies and video clips.
More Information QT file open in Apple QuickTime Player 10.5 In 1991, Apple released QTFF, which eventually led to the formation of the MPEG-4 standard. Apple designed QTFF to support various media types to accommodate the transfer of multimedia between applications, operating systems, and devices. Video files saved in QTFF may use the .qt or .mov file extensions but .MOV files are much more common than QT files. Since MOV and QT files often store video compressed with the MPEG-4 codec, they are commonly interchanged with .MP4 video files. More information about the QuickTime File Format QTFF is object-oriented and forward-compatible, allowing it to support new object types introduced over time. In addition, the format supports media data, which is the video, audio, or text data, and metadata . The metadata includes the media compression utilized, timing information, the number of media tracks, and an index of the media data location.
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DeveloperApple
Popularity3.0 | 42 Votes
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.QT File Extension
Apple QuickTime Movie
| Developer | Apple |
| Popularity |
3.0 | 42 Votes |
NEW: Open your .QT file online with File Helper . View Online
What is a QT file?
A QT file is a movie file saved in the QuickTime File Format (QTFF), a multimedia container format developed by Apple. It contains one or more audio, video, or text (subtitle) tracks and typically uses the MPEG-4 codec for compression. QT files most often store movies and video clips.
More Information
QT file open in Apple QuickTime Player 10.5
In 1991, Apple released QTFF, which eventually led to the formation of the MPEG-4 standard. Apple designed QTFF to support various media types to accommodate the transfer of multimedia between applications, operating systems, and devices.
Video files saved in QTFF may use the .qt or .mov file extensions but .MOV files are much more common than QT files. Since MOV and QT files often store video compressed with the MPEG-4 codec, they are commonly interchanged with .MP4 video files.
More information about the QuickTime File Format
QTFF is object-oriented and forward-compatible, allowing it to support new object types introduced over time. In addition, the format supports media data, which is the video, audio, or text data, and metadata . The metadata includes the media compression utilized, timing information, the number of media tracks, and an index of the media data location.
How to open a QT file
You can open QT files with various multimedia players, such as Apple QuickTime Player (Mac) and VLC media player (cross-platform).
You can also play QT files in Android and iOS with VLC for Android and VLC for iOS .
How to convert a QT file
VideoLAN VLC media player can convert QT files to the following video formats:
VLC media player can also convert the audio in QT files to the following formats:
Programs that open QT files
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Windows
File Viewer Plus
—
Get it from Microsoft
Free +
VideoLAN VLC media player
Free
Media Player Classic with K-Lite Codec Pack
Free
Roxio Creator NXT Pro 9
Paid
CyberLink PowerDVD 21
Free Trial
Attractor Mobile Software Codec Packs
Free
Mac
Apple QuickTime Player
Included with OS
VideoLAN VLC media player
Free
Roxio Toast 20
Paid
Roxio Popcorn
Paid
Eltima Elmedia Player
Free +
Linux
VideoLAN VLC media player
Free
Web
FileHelper.com
Free
iOS
VideoLAN VLC for Mobile
Free
Android
Videolabs VLC for Android
Free
Category: Video Files
Updated: June 7, 2022