Gnome Subtitles is a subtitle editor for the GNOME desktop.
It supports the most common text-based subtitle formats and allows for subtitle editing, translation and synchronization.
Gnome Subtitles is free and open source software.
Key Features
- WYSIWYG user interface.
- Supports a wide range of subtitle files including SubStation Alpha (and also Advanced SubStation Alpha), SubRip and MicroDVD.
- Support for webm and ogv video files.
- Support for non-standard video framerates.
- Subtitle translation support.
- Merge and split subtitle lines.
- View character counts.
- Spell checking support.
- Edit subtitle headers.
- Find and Replace, supporting regular expressions.
- Multi-level undo/redo.
- Drag-and-drop files.
- Character coding and subtitle format auto-detection (on file open).
- Relaxed subtitle parsing, to read subtitles that contain errors.
- Set the gap between subtitles, to be used when inserting or splitting subtitles.
- Reaction delay.
- Search functionality.
- Support for merging and splitting subtitle lines.
- Allow to view character counts in the subtitle list and editing area.
- Video previewing:
- Playback the videos showing subtitles with formatting.
- Drag-and-drop files.
- Can be used for timings synchronization.
- Fast and slow motion playback.
- Uses the GStreamer backend.
- Apply a reaction delay when timing start/end on video playback.
- Synchronize using the video, by setting 2 or more correct times (sync points).
- Shift subtitles by a specified delay (can be based on the video).
- Works for audio files too.
- Auto-adjust timings based on 2 correct times / sync points
- Convert between framerates.
- Apply a reaction delay.
- Shortcuts for quick synchronization.
- Encoding selection.
- Internationalization support.
Website: sourceforge.net/projects/gnome-subtitles
Support: GitLab Code Repository
Developer: Pedro Castro
License: GNU General Public License Version 2 or later

Gnome Subtitles is written in C#. Learn C# with our recommended free books and free tutorials.
Related Software
| Subtitle Editors | |
|---|---|
| Subtitle Edit | Versatile and feature-laden editor for video subtitles |
| Gaupol | Editor for text-based subtitle files |
| Aegisub | Highly customizable tool for creating and modifying subtitles |
| AutoSubs | Subtitles made simple |
| Subtitle Composer | Editor that supports basic and advanced operations |
| Jubler | Author new subtitles - convert, transform, correct and refine |
| Gnome Subtitles | Video subtitling for the GNOME desktop |
| Tero Subtitler | Feature-rich subtitle creation, translation and validation tool |
| YTSubConverter | Create styled YouTube subtitles |
| Subtitle Forge | Desktop application for working with subtitles across the full workflow |
| Sub Editor | Visual, keyboard-driven subtitle editor with waveform timing |
| Subtitle Editor | GTK+3 tool to edit subtitles |
| Subtitld | Edit, transcribe and create subtitles |
| subedit | Command-line editor written in Bash |
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