Gnome Subtitles is a subtitle editor for the GNOME desktop. It supports the most common text-based subtitle formats, video previewing, timings synchronization and subtitle translation.

Synchronize Times and Frames

• Synchronize using the video, by setting 2 or more correct times (sync points)
• Auto-adjust timings based on 2 correct times / sync points
• Shift subtitles by a specified delay (can be based on the video)
• Convert between framerates
• Apply a reaction delay
• Shortcuts for quick synchronization

Built-in Video Preview

• 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
• Works for audio files too

Support for Multiple File Formats

• Adobe Encore DVD
• Advanced Sub Station Alpha
• AQ Title
• DKS Subtitle Format
• FAB Subtitler
• Karaoke Lyrics LRC
• Karaoke Lyrics VKT
• MacSUB
• MicroDVD
• ایم پی پلیئر
• MPlayer 2
• MPSub
• Panimator
• Phoenix Japanimation Society
• Power DivX
• Sofni
• SubCreator 1.x
• SubRip
• Sub Station Alpha
• SubViewer 1.0
• SubViewer 2.0
• ViPlay Subtitle File

Editing

• Subtitle translation support
• Merge and split subtitle lines
• WYSIWYG (What You See Is What You Get) – Supports formatting while editing subtitles
• 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)
• User manual
• Relaxed subtitle parsing, to read subtitles that contain errors