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.
Free to start — no credit card required.See pricing
Auto-transcribe
Custom styling
Burn-in option
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 55+ 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.
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.
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 54+ languages from your original video.
More ways to work with QT files
More ways to convert & transcribe
Jump straight to a related format, language, or tool — every link below is a real page.
Trusted by video creators
Researched and did trials of at least 12 other services. Chose Sonix because of accuracy and simplicity.
I had tried several other software that worked poorly, and was so impressed how well Sonix worked!
Add subtitles to QT now
Try Sonix free with 30 minutes of transcription. No credit card required.
