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Subtitle editor specifications

Following environments and formats are supported by the subtitle and captions editor SHIRE.

Browsers (only desktop)

  • Chrome (latest version)
  • Firefox (latest version)
  • Edge (from 15.01.2020 onwards)

Media formats

  • video: mp4, webm, ogv, ogg
  • audio: mp3

Media sources

  • HTTP/HTTPS
  • HTTP-Live-Streaming (HLS)
  • YouTube
  • local

Subtitle formats import

  • VTT/WebVTT
  • SRT
  • TimedText
  • SBV
  • HORSE JS
  • HORSE SHIRE
  • HORSE PROJECT

Subtitle formats export

  • VTT
  • SRT
  • Timed Text
  • CSV
  • TXT
  • HORSE SHIRE
  • HORSE PROJECT

Time formats

  • frames, any rate: HH:MM:SS:FF
  • milliseconds: HH:MM:SS:MSMS

Configuration

Individual configuration by JSON files or as a javascript setup variables. Full documentation available.

  • Alerts (modal or snackbar)
  • Help modals
  • Language
  • Menu
  • Options
  • Shortcuts
  • Toolbar
  • UI / Workspaces

API

  • Autosave: REST API
  • Autosave: localstorage
  • Save by user: REST API

Audiobuffer format

  • JSON: Float32Array
  • JSON: HORSE string (much smaller)