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Subtitle Composer

Категории:   Мультимедиа
Main application window

Subtitle Composer is an open source text-based subtitle editor that supports basic and advanced editing operations.


  • 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, 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 w/ audio stream selection
  • Preview/editing of subtitles on graphical audio waveform w/ audio stream selection
  • Sync by 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).
Установить на
Для использования этой функции требуется центр приложений Discover или другой центр приложений, поддерживающий работу с AppStream. Такое приложение также может быть установлено из системы управления пакетами используемого дистрибутива.
Скачать из каталога приложений в формате Snap

Выпуски RSS

0.8.1 2024-06-07
  • Fixed (rare) memory issues and crashes
  • Fixed crashes on waveform widget
  • Fixed video player rendering in Qt 6.7
  • Fixed scripts manager assert failures
  • Fixed inability to view non-script files in scripts manager
  • Fixed seeking in some media formats
  • Fixed video player subtitle rendering
  • Fixed broken rendering on hi-res videos
  • Fixed HDR video rendering (SMPTE-ST-2084 gamma transfer)
  • Added check for maximum number of characters per line
  • Added MinT translate engine
  • Improved translation support and UI
  • Improved video player scaling
  • Dropped KIO file operations
AppImage - x86_64 (59.07 MB)
sha256: 1222fd30bbcaf3586dfb78db27376e5e4852cb3f5d98878e2bff0744536bfcb7
- (63.46 MB)
sha256: 2fea6c3e0a9d20a2d296ff8ab078a1fafbd2dbbafb0e315d312f9ab9c2759507
sha256: 23c022768d7422c092149f41d51ebea80f54b27655573cf43f736efb88c30027
0.8.0 2023-11-06
  • Fixed video player on GLES only hardware
  • Fixed skewed video on video player
  • Fixed closing fullscreen video player
  • Fixed subtitles under fullscreen video toolbar
  • Fixed video player media state notifications
  • Fixed subtitle video overlay font size accuracy
  • Fixed deadlock/crash while changing audio stream on paused/stopped media
  • Improved Waveform widget performance
  • Fixed waveform misalignment due to rounding error
  • Fixed waveform widget drawing on null image and painting of removed lines
  • Fixed waveform default zoom scale
  • Fixed subtitle text line separator draw on LinesWidget
  • Fixed unbreak lines (newline searches in QTextDocument)
  • Fixed crash in split lines
  • Fixed VobSub import ignoring Text styles
  • Fixed VobSub crash when moving to previous image
  • Fixed YouTubeCaptions format parsing/saving
  • Fixed undo/redo actions creation order, incorrect state
  • Fixed some memory and saving issues
  • Fixed embedded ASS decoding
  • Fixed example remove hearing impaired script
  • Fixed broken about dialog
  • Added Qt6 support
  • Added WebVTT format support
  • Added subtitle positioning UI and support
  • Added subtitle class/comments/voice UI and support
  • Improved rich text editing/preview
  • Rich text rendering on waveform/video/editors
  • Added DeepL translate engine
  • Added Google Cloud translate engine
  • Recreated translation interface
  • Added/improved ffmpeg 5 support
  • Subtitle lines are always time sorted; remove sort lines menu action
  • Replaced Kross with QJSEngine, removed ruby and python support
  • Improved script manager and tools menu
AppImage - x86_64 (59.03 MB)
sha256: 2c67d5d68e9a765a97b57f6aa623ddce7e2d1c997ee7e28bddad5636c6af98b2
- (63.36 MB)
sha256: d654d044cb93df5eca8aa9d5cfce895d62b76f997c6a1c644714a8e6e77979ad
- (36.25 MB)
sha256: 514c669888e349f45993ad6a85983e80ba898b88b2ed08bf726522277c629ce1
sha256: b1416bdf7223b1979a36620b913c117c1b6c933bf165e28491af476310d7c9f8
0.7.1 2021-07-28
  • Fixed script edititing on AppImage
  • Fixed AppImage/Windows builds, themes and look
  • Fixed theme/icons/look outside KDE environment
  • Fixed opening files on windows
  • Fixed various bugs and rare crashes
  • Fixed Undo stack and improved text editing undo
  • Improved/replaced Video player(s) (performance, Wayland support, OpenGL/FFmpeg)
  • Improved Waveform performance
  • Improved LinesWidget/Model performance
  • Improved Wayland support
  • Improved open/save file dialogs to use native dialogs
  • Improved text charsets/encodings/end-of-line selection, detection and handling
  • Improved VobSub support
  • Improved inline editor to support text styles
  • Improved subtitle style rendering
  • Improved character/sec support and added coloring
  • Improvide command line - ability to open all subtitle/media files
  • Added Pause/Duration columns to list view
  • Removed invalid subpicture/x-pgs mime
  • Updated/added many translations - thanks to KDE community
AppImage - x86_64 (60.08 MB)
sha256: ac124b356a008ff8358b0540d8aa7be068cd9df60b55a8bcdfed8a6c48d28dae
- (64.52 MB)
sha256: 2c2415cd69cd6074056446d8ac3f433faf3c6bed0e02a536d65df98e01ae4201
- (36.24 MB)
sha256: e3ab604123b3e6f2351396c25e7cb122a93cda3cd048a59e9f5427e5e342d703
sha256: ef9cb3c0c1fe1f40cf9d8e795859b9b28adf2da3be77a076d46bc28df4cd0255
0.7.0 2019-06-27
  • Fixed parsing of absolute paths containing '#' character
  • Fixed open dialogs not showing all supported files
  • Fixed subtitle text not respecting system font configuration
  • Fixed waveform not rendering correctly/completely on some formats
  • Fixed waveform displaying subtitles at wrong times
  • Fixed waveform not working with some
  • Fixes to MPV, GStreamer and Xine video player backends
  • Waveform scrolling is configurable
  • PocketSphinx language models and VAD are configurable
  • Added show status bar action to main window popup menu
  • Improved (scripting) performance
  • Spell checker will use translation text when it is selected
  • Waveform and video docks can be hidden
  • Split lines won't split text on spaces while there are multiple lines
  • Subtitle lines will always stay sorted by their time
  • Improved fullscreen video player
  • Added ability to step by frame
  • Added play rate controls to video menu
  • Updated Croatian translation - thanks @muzena
  • Updated Italian translation - thanks Luigi Toscano @tosky
  • Updated Russian translation - thanks Nick Shaforostoff @shaforostoff
0.6.6 2018-02-11
  • Fixed open video dialog filters
  • Fixed "Insert Line" on waveform adding at the wrong index - thanks @qsniyg
  • Added MMB seeking on waveform - thanks @qsniyg
  • Fixed some compilation issues
  • Updated translations - thanks @gogogogi, @muzena
  • Fixed vobsub when opening from video file and symbol cache filename
  • Fixed subtitle loading times of huge files
  • Improved vobsub text detection
  • Fixed ASS rich text parsing on import subtitle stream action
  • Replaced buggy mplayer vobsub import code with ffmpeg
  • Fixed memory leaks/usage of WaveformWidget's scroll animation
  • Optimized import subtitle stream from video action
  • Replaced gstreamer with ffmpeg libraries in application core usage
  • Added abort button to speech recognition
  • Waveform smooth scrolling
  • Added join/split lines actions to waveform context menu
  • Fixed some crashes, memory leaks and overall code cleanups
  • Cleaned up settings widget and texts
0.6.5 2017-09-18
  • ADD: Added support for binary subtitle formats
  • ADD: fine control video playback speed
  • ADD: controls for video playback speed
  • MOD: GStreamer backend audio improvements.
  • MOD: Moved open video actions under File menu
  • MOD: More tolerant parsing of SubRip subtitles
  • MOD: Improved split lines command
  • MOD: Updated Czech translation - thanks @goliashcz
  • MOD: Updated Croatian translations - thanks @muzena
  • FIX: Waveform widget dragging and speed improvements, fixed buffer overflow
  • FIX: WaveformWidget: zoom out wasn't working on movies without audio
  • FIX: Fixed cases where subtitle hide time would end up before show time
  • FIX: Improved context menus
  • FIX: Fixed moving of anchored lines
  • FIX: Open subtitle wouldn't autoload video in some cases
  • FIX: Open video now includes .divx and .webm extensions
  • FIX: Tools menu scripts are filtered based on installed kross interpreters
  • FIX: Moved custom icons to more standard location, using QIcon::fromTheme()
  • FIX: Error Check > Absolute Duration config fields were changing incorrect values
  • FIX: MPV Backend: fixed deprecated options, updated vo devices - thanks @luzfcb
  • FIX: better rendering on high DPI screens
  • FIX: MPV Backend: framerate/video length wasn't reported to subtitle composer anymore
  • FIX: detection/handling of current playing line
  • FIX: Parsing text containing <font> without color attribute
  • FIX: compilation without xine - thanks @pinotree
  • FIX: ASS parsing - thanks @Martchus
0.6.4 2016-05-07
0.6.3 2016-04-03
0.6.2 2016-03-25
0.6.1 2016-03-15
0.6.0 2016-03-15
0.5.9 2016-02-08
0.5.8 2016-02-07
0.5.7 2014-09-26
0.5.6 2013-11-25
0.5.5 2013-10-09
0.5.4 2013-06-10
0.5.3 2009-05-25
0.5.2 2008-11-12
0.5.1 2008-09-04
0.5.0 2008-07-10
0.4.3 2008-09-04
0.4.2 2008-07-10
0.4.1 2008-04-22
0.4.0 2008-04-11
0.3 2008-01-08
0.2.1 2007-12-16
0.2 2007-12-16
0.1 2007-11-15