About Subtitle Merger & Bilingual Combiner
Merge multi-part subtitle files (CD1 + CD2) with automated timestamp offsets, or combine two different language tracks into synchronized bilingual dual-layer subtitles for language learners.
Key Capabilities & Features
- Sequential mode: Combines Part 1 + Part 2 with automatic timestamp continuation
- Bilingual mode: Overlays primary and secondary language cues into stacked lines
- Automatic cue index renumbering and timecode integrity
- Export directly as SRT or VTT
How to Use Subtitle Merger & Bilingual Combiner
Select Merge Mode
Choose Sequential (Part 1 + Part 2) or Bilingual (Primary + Secondary Language).
Input Subtitle Tracks
Paste both subtitle files into the respective editor panels.
Generate & Export
Download the combined unified subtitle file.
Privacy & In-Browser Execution Guarantee
Processed locally in browser memory. Complete user privacy guaranteed.
Frequently Asked Questions
How does bilingual subtitle merging work?
Bilingual mode matches overlapping timecodes between both subtitle tracks and formats them into two vertical lines (e.g. English top line, Spanish bottom line) so both languages can be read simultaneously.