Overlapping SRT cues: fix timing before you burn captions in
When two cues share the same second, players fight. Use the timing fixer on this site, then re-check speed.
OpenNews
Short notes on caption speed, safe zones, and SRT timing — each one links to a free checker.
Characters per second for Shorts: a readable cue length
If a line flashes too fast, viewers miss it. Check characters per second before you burn captions in.
OpenSafe zone before burn-in: preview the 9:16 frame
Platform UI covers the bottom of Shorts and Reels. Preview captions inside the safe zone before you burn them into the video.
OpenUpdated 12 November 2026.