Convert TXT_QUICKTIME Subtitles to VTT Format

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About TXT_QUICKTIME

QuickTime Text, often called QTText, is Apple's native format for creating text tracks in QuickTime videos. It's a simple text file that can include timestamps and some basic styling descriptors using text-based tags. It was commonly used for adding subtitles, chapter markers, and other timed text to videos within the Apple ecosystem.

About VTT

WebVTT (Web Video Text Tracks) is the modern standard for displaying subtitles on the web, designed specifically for use with HTML5 video. It's similar to SRT but includes added features for styling (using CSS), positioning, and metadata. This allows for more dynamic, accessible, and richly formatted captions and subtitles directly in the browser.

TXT_QUICKTIME vs VTT

FeatureTXT_QUICKTIMEVTT
Styling Supportfalsetrue
Positioning Supportfalsetrue
Animation Supportfalsefalse
Learning Curvebeginnerintermediate
Quality Rating25
Patent Statusproprietaryopen standard
Year Introduced19992012

Frequently Asked Questions

Does QuickTime Text work outside of Apple products?

Support for QTText is very limited outside of the Apple ecosystem. Players like VLC may have some support for it, but in general, it is not a portable format. For cross-platform compatibility, it's much better to use a universal format like SRT.

Can I style QuickTime Text subtitles?

Yes, QTText supports some basic text styling. You can add descriptors in the file header to define a font, size, and color, and use tags within the subtitle text to apply styles like bold or italic. However, the styling is much more limited than formats like VTT or ASS.

How is VTT different from SRT?

The main differences are that VTT supports styling, positioning, and metadata, while SRT does not. VTT also has a slightly different timestamp format (using a period instead of a comma for milliseconds) and requires a 'WEBVTT' header. VTT is the standard for modern web video.

Can I use HTML tags in a VTT file?

You can use certain HTML-like tags within VTT cues for basic formatting, such as <b> for bold, <i> for italic, and <u> for underline. You can also define more complex styles in an external CSS file linked to the video player.

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