SRT file

SRT (SubRip Text) is the simplest and most widely supported subtitle format: numbered blocks of start/end timecodes and text lines, in a plain-text file.

SRT's limitation is styling — no colors, fonts or positioning — which is exactly why it is universally compatible. It is the safe interchange format; richer needs move to VTT or broadcast formats.

Related terms

WebVTT fileWebVTT (VTT) is the web-native subtitle format used by HTML5 video, extending SRT-style cues with styling, pos… SubtitlesSubtitles are timed text displayed over video showing what is being said, primarily for viewers who can hear t… Subtitle timingSubtitle timing (spotting) is deciding when each caption appears and disappears — synchronized to speech onset…

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