Jubler Subtitle Εditor
Jubler is a free and open source subtitle editor for creating, editing, and converting text-based subtitles. It provides tools for authoring new subtitles and refining existing ones with video preview, quality validation, and extensive format support.
Key Features:
- 20+ subtitle formats including SubRip (SRT), Advanced SubStation Alpha (ASS/SSA), WebVTT, MicroDVD, SubViewer, MPL2, TTML, ITT, DFXP, and YouTube subtitles
- FFmpeg integration for frame preview and audio waveform visualization
- MPlayer support for video playback with real-time subtitle editing
- Interactive timeline with draggable subtitle blocks and two-point synchronization
- Enhanced preview controls with shift/alt key support and snapping functionality
- Comprehensive editing tools: time shift, frame rate conversion, split/join entries and files, spell checker, regex find & replace
- Quality validation with configurable rules and TED guidelines compliance checking
- Character and paragraph-level styling for advanced formats
- Translation mode with Azure Translator support
- HiDPI support with adjustable scaling and dark theme
- Command-line tools for batch processing and automation
Licensed under the GNU Affero General Public License v3 (AGPL-3.0). Written in Java 8 for cross-platform compatibility. Officially supports macOS, Windows, and Linux.
Optional external applications: MPlayer for video preview and ASpell for spell checking.
Sponsors
Free code signing on Windows provided by SignPath.io, certificate by SignPath Foundation
Other sponsors
This site would like to also thank the following sites:
Excel High School Online Schooling