Combine two subtitle files into dual-language subtitles
Watch with both languages on screen: the first file stays on top and the second appears below it. Subtitles are matched by time, so the two files don't need the same number of cues.
Runs entirely in your browser. Your subtitles are never uploaded.
How to make dual-language subtitles
- Paste or choose the subtitles in the first language — they set the timing.
- Paste or choose the subtitles in the second language and decide whether it should be in italics.
- Click “Combine subtitles” and download one SRT or VTT file.
Questions
- How are the two files matched?
- Each subtitle of the second file joins the subtitle of the first file it overlaps with the longest. A subtitle that overlaps with none stays on its own, with its own time, so no text is lost.
- Which file should be first?
- The one whose timing fits your video best: its times are used for the combined subtitles, and its text is shown on top.
- Will both languages fit on the screen?
- Each subtitle now holds the lines of both languages, so it can have four lines or more. If that is too much, shorten long lines first with the line length tool.
- Are my files uploaded anywhere?
- Runs entirely in your browser. Your subtitles are never uploaded.
Related tools
- Online subtitle editorEdit subtitle text and timing in your browser, check them on your own video and save as SRT or VTT. Opens SRT, VTT, SBV and ASS. Free, nothing is uploaded.
- Subtitle translator (SRT, VTT)Upload an SRT or VTT file, choose a language and download translated subtitles with the original timings. Free machine translation, no account needed.
- SRT ↔ VTT converterConvert SRT subtitles to WebVTT or VTT to SRT in your browser. Free, no sign-up, and your file never leaves your computer.
- VTT to SRT converterConvert WebVTT (.vtt) subtitles to SRT in your browser. Cues are numbered and VTT-only tags removed. Free, no sign-up, the file never leaves your device.