Step 1
Upload video
Upload your QT video file to Sonix and select the language.
Add subtitles to QT videos
Sonix automatically transcribes your QT video and lets you add professional subtitles with customizable styling.
Auto-transcribe
Custom styling
Burn-in option
Audio
Video
DOCX
SRT/VTT
PDF
53+ Languages
10x
Faster than real-time
Add subtitles to QT in minutes
99%
Accuracy rate
Industry-leading AI transcription
53+
Languages
Subtitles in any language
Custom
Styling
Fonts, colors, positioning
Add subtitles to QT in 4 steps
Step 2
Auto-transcribe
Sonix AI transcribes your video with word-level timestamps.
Step 3
Customize subtitles
Split subtitles, adjust timing, and customize fonts and colors.
Step 4
Export or burn-in
Download SRT/VTT files or burn subtitles directly into your video.
Everything about adding QT subtitles
Can Sonix add subtitles to QT videos?
Yes! Upload your QT video, and Sonix will transcribe it and let you add professional subtitles with customizable styling.
Can I burn subtitles into the video?
Yes! Sonix can permanently embed (burn-in) subtitles into your QT video with your choice of fonts, colors, and positioning.
What subtitle styles are available?
Customize fonts, colors, background boxes, positioning (top, center, bottom), and more for your burned-in subtitles.
Can I download subtitle files separately?
Yes! Export subtitles as SRT, VTT, or other formats to use with YouTube, Vimeo, or your video editor.
Can I translate subtitles to other languages?
Absolutely! Sonix can translate your subtitles into 54+ languages for multilingual videos.
How do I split subtitles correctly?
Sonix offers auto-split options for max characters per line, lines per caption, and max duration. Fine-tune manually if needed.
The easiest way to add video subtitles
Auto-Transcribe
Upload your QT and get accurate subtitles automatically.
Custom Styling
Choose fonts, colors, and positioning for professional results.
Burn-in Option
Permanently embed subtitles into your video with one click.
Translate
Create subtitles in 53+ languages from your original video.
More ways to work with QT files
Other QT conversions
Trusted by video creators
Sonix is by far the best transcription tool I have ever used.
Sonix is amazing. It’s like adding the most brilliant brain to my staff.
Transcription was almost perfect!!
I am impressed by the almost perfect accuracy of the conversion and the speed by which the transcription was completed. Your web display is also impressive with clear and easy-to-u...
This technology managed to shock me! It saved me so much time and effort!
In one word? FAN-TAS-TIC!! The possibility to split the transcript to subtitles AND split them! THAT IS FANTASTIC!!
I wouldn't have been able to pass my course without this technology. I was able to get two A's thanks to this program!
Sonix is light years ahead of all the other solutions I researched and tried!
Add subtitles to QT now
Try Sonix free with 30 minutes of transcription. No credit card required.
