Need subtitles whose dialogue and timing match the video? This open-source subtitle editor lets you create captions, correct existing tracks, synchronize lines with playback, and convert files between subtitle formats.
Edit subtitle lines against video playback
Jubler displays subtitle entries with their text and timing, so dialogue and timecodes can be edited together. During playback, VLC integration provides a video preview, audio playback, and an audio waveform without requiring a separate player window.
For synchronization fixes, adjust the duration of an individual caption, shift a group of entries, or move the whole subtitle track. Splitting and merging lines can also clean up captions whose dialogue or formatting needs to be reorganized.
Convert common subtitle formats
The editor handles formats such as SRT, ASS, SSA, WebVTT, MicroDVD, TTML, and YouTube subtitles. It can convert a subtitle file from one supported format to another, and its text-encoding options accommodate files containing different character sets.
- Use regular-expression search and replace to locate or change matching text.
- Run spell checking while editing dialogue.
- Undo history, autosave, and file recovery support the editing workflow.
Find timing and reading problems before export
Jubler’s validation tools flag overlapping captions, timing issues, and entries that remain on screen too briefly. Characters-per-second measurements offer another way to spot lines that may be difficult to read. Color-coded warnings identify entries that need attention in the subtitle track.
Translate dialogue and adjust subtitle appearance
Translation mode places the source dialogue beside the translated text, keeping each pair of lines together as the new version is written. Depending on the subtitle format, project settings can also control visual properties such as color and placement.
Pros
- Preview video, audio, and waveform through VLC integration
- Edit SRT, ASS, SSA, WebVTT, MicroDVD, and TTML files
- Use translation mode to keep original dialogue beside new text
- Flag overlaps, timing errors, and captions that vanish quickly
Can Jubler synchronize subtitles with a video?
Yes. Use video playback to compare captions with the action, then adjust individual timings, sections, or the full subtitle track.
Which subtitle formats can Jubler edit?
Supported formats include SRT, ASS, SSA, WebVTT, MicroDVD, TTML, and YouTube subtitles. Jubler can also convert between supported formats.
Can I translate subtitles in Jubler?
Yes. Translation mode shows the original dialogue beside the translated line so the two remain visible together during editing.