Convert QT to subtitles

Sonix transcribes your QT file and creates timestamped subtitles in SRT, VTT, and other formats.

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SRT & VTT
5-min turnaround
All platforms
QT conversion guide

Create subtitles from QT in 6 steps

  1. 1
    Create account~30 sec

    Sign up for a free Sonix trial with 30 free minutes.

  2. 2
    Upload file~1 min

    Upload your QT file from your computer or cloud storage.

    44+ formats supported
  3. 3
    Select language~10 sec

    Select the language spoken in your file.

    54+ languages
  4. 4
    Auto-transcribe~5 min

    Sonix AI transcribes your QT with word-level timestamps.

  5. 5
    Split subtitles~2 min

    Customize line length, duration, and subtitle breaks.

  6. 6
    Export~10 sec

    Download your subtitles as SRT or VTT files.

    30+ export formats
The QT file format

Understanding QT files

What is a QT file?

QuickTime movie file from Apple

QT is an acronym for Apple’s famous QuickTime codec. Thus, files with the .qt file extension are Apple QuickTime movie files. QT files were developed for the purpose of creating, editing, publishing, and viewing multimedia files for Apple’s QuickTime Player. QT files typically contain movies, graphics, videos, animations, and virtual reality content. QT files are compressed to optimize their delivery via the Internet and for better performance when streaming multimedia. QT files are supported by both Windows and MacOS operating systems.

Common uses for QT files

  • QuickTime video content
  • Mac video playback
  • Virtual reality content
  • QuickTime Player exports
  • Mac applications

Who works with QT files?

Video archivists, post-production teams, and IT staff restoring older Mac-based projects most often encounter .qt files when migrating legacy QuickTime footage to modern workflows. Educators and corporate trainers also inherit them in archived courseware and screen recordings produced with earlier versions of QuickTime.

QT vs MOV: which should you use?

QT and MOV files use the same Apple QuickTime container; .qt is the older extension from early QuickTime releases, while .mov became the standard and remains in active use today. Because the underlying structure is identical, a .qt file can usually be renamed to .mov and play normally. Choose MOV for new exports and broad software compatibility; .qt mainly appears in legacy archives and older Mac projects.

Convert MOV to text
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Faster than real-time
Get your QT subtitles in minutes
99%
Accuracy rate
Industry-leading AI for QT files
53+
Languages
Subtitles in any language
30+
Export formats
SRT, VTT, FCPXML, and more
QT conversion FAQ

QT subtitles: frequently asked questions

Can you create subtitles from QT files?

Yes! Sonix transcribes your QT file with word-level timestamps and creates professional subtitles in SRT, VTT, and other formats.

What subtitle formats are supported?

Export subtitles as SRT (most universal), VTT (web video), FCPXML (Final Cut Pro), and many more formats.

Can I customize subtitle timing?

Yes! Adjust max characters per line, lines per caption, max duration, and manually fine-tune any timing.

How do I add subtitles to my video?

Upload the SRT/VTT file to YouTube, Vimeo, or import into your video editor. You can also burn subtitles directly into the video.

Can I translate subtitles?

Yes! Sonix can translate your subtitles into 55+ languages, making your content accessible globally.

Are the subtitles accurate?

Sonix achieves up to 99% accuracy. Use our editor to make any corrections before exporting.

Is a QT file the same as a MOV file?

Both use Apple's QuickTime container format; .qt is the older extension and .mov is the current standard. The contents are structurally the same, which is why most tools treat them identically.

Why won't my QT file open in my media player?

Some modern players only recognize the .mov extension even though the container is the same. Renaming the file from .qt to .mov often restores playback, though very old files may use discontinued codecs that require conversion.

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