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SubtitleComposer

Subtitle Composer - KF5/Qt Video Subtitle Editor

Install / Use

/learn @maxrd2/SubtitleComposer
About this skill

Quality Score

0/100

Supported Platforms

Universal

README

Subtitle Composer

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IMPORTANT: The development of Subtitle Composer has moved to KDE. This repository is only a mirror and might not be up-to-date.

Homepage - Project page - Issue Tracker - Downloads

ABOUT

An open source text-based subtitle editor that supports basic and advanced editing operations, aiming to become an improved version of Subtitle Workshop for every platform supported by Plasma Frameworks.

FEATURES

  • Open/Save Text Subtitle Formats
    • SubRip/SRT, MicroDVD, SSA/ASS, MPlayer, TMPlayer and YouTube captions
  • Open/OCR Graphics Subtitle Formats
    • VobSub (.idx/.sub/.rar), BluRay/PGS (*.sup), formats supported by ffmpeg (DVD/Vob, DVB, XSUB, HDMV-PGS)
  • Demux Graphics/Text Subtitle Stream from video file
    • SRT, SSA/ASS, MOV text, MicroDVD, Graphic formats supported by ffmpeg (DVD/Vob, DVB, XSUB, HDMV-PGS)
  • Speech Recognition from audio/video file using PocketSphinx
  • Smart language/text encoding detection
  • Live preview of subtitles in integrated video player (FFmpeg) w/ audio stream selection
  • Preview/editing of subtitles on audio waveform w/ audio stream selection
  • Quick and easy subtitle sync:
    • Dragging several anchors/graftpoints and stretching timeline
    • Time shifting and scaling, lines duration re-calculation, framerate conversion, etc.
    • Joining and splitting of subtitle files
  • Side by side subtitle translations
  • Text styles (italic, bold, underline, stroke, color)
  • Spell checking
  • Detection of timing errors in subtitles
  • Scripting (JavaScript, Python, Ruby and other languages supported by Kross).

Main Window

LICENSE

Subtitle Composer is released under GNU General Public License v2.0

Related Skills

View on GitHub
GitHub Stars253
CategoryContent
Updated26d ago
Forks29

Languages

C++

Security Score

85/100

Audited on Mar 4, 2026

No findings