FREE VIDEO WORKFLOW TOOLS
Subtitle timing summary
Measure cue count, covered time, gaps and overlaps in an existing subtitle file.
Free · no sign-up · no model calls. Your input stays in browser memory. Combined input limit: 1 MiB UTF-8 text.
Coverage merges overlapping intervals. Timeline end is the last caption end, not the measured duration of your video. Silent gaps may be intentional.
How to use it
- Enter your own input, or load the labelled example.
- Run the tool and review its complete result and limitations.
- Download the draft or report, then check it in your intended workflow.
What to check
Coverage merges overlapping intervals. Timeline end is the last caption end, not the measured duration of your video. Silent gaps may be intentional.
Continue your video project
Your result is available above without registering. To organize a brief, script and source records in Topicut, start a project. Public video generation is not open yet.
Related free tools
Learn the terms in the video glossary, or follow a workflow guide.
Free deterministic tool · updated October 29, 2026.