No upload · Runs in browser
Subtitle tools for editors & short-form video
One-line answer: use these free tools to fix SRT timing, export plain text for translation, and keep on-screen captions within safe line lengths — all locally in your browser.
- SRT time shift Offset all cues by milliseconds or seconds (fix drift, sync dubs).
- SRT to plain text Export dialogue for translation or script review; optional timestamps.
- Caption line length checker See max characters per line; defaults tuned for vertical video.
- Read time estimator Estimate VO duration from word count (English WPM presets).
Guides
Workflow guides — fix sync delay, shift SRT online, export text for translation, and check line length for Reels.
FAQ
- Do you upload my subtitle files?
- No. Processing runs entirely in your browser with JavaScript. Nothing is sent to our servers.
- Who is this for?
- Video editors, localization teams, and short-drama creators who need quick SRT fixes without installing desktop software.