QT Converter

Add your file.
Choose the output format.
Click Convert.

Convert
Compress

Add Your Media

4.7 (18,971 reviews)

Download for Free

Available translations: EN, DE, FR, IT, ES, PT, NL, PL, JP, KR, ZH

You can also convert your files with our powerful desktop app.

Go to Movavi Video Converter

Convert
Compress

Add Your Media

Convert to

Convert

Convert QT files online for free

With this QT video converter, you can change your video format in a couple of clicks. To convert QT files, just add them to the program, select the output format, and start the process. Alternatively, if you need to convert a QT movie or lots of files, try out the desktop version of this online tool for free on Windows and Mac.

What is QT?

Full name

QuickTime File Format

Format type

Video

Developed by

Apple Inc.

Description

QT is an extension of the QuickTime File Format (QTFF). QTFF, created by Apple in 1991, is a container format used by Apple’s mobile and desktop devices to store and play videos. Other devices can also play QT videos, if they support the video and audio codecs used by the format.

File extension

.qt

Technical details

QT files just like other containers store video, audio and subtitles in separate tracks. The video codecs used in QT files are MPEG-4, H.264, MJPEG, Sorenson 1/3, AIC, ProRes, CineForm, and others. Audio codecs you can find in QT files include MP3, AC3, AAC, and ALAC.

Associated programs

QuickTime Player, VLC, Media Player Classic

Popular QT conversions

Convert from QT

Convert to QT