Last Updated on July 11, 2023
Subtitle Composer is an open source text-based subtitles editor that supports basic operations as well as more advanced ones, aiming to become an improved version of Subtitle Workshop for every platform supported by KDE.
- 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 (MPV, GStreamer, MPlayer, Xine, Phonon) 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.
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