Purpose-Built
An offline subtitle and caption quality studio for SRT, WebVTT, TTML, timing, overlaps, reading speed, line length, style, search, comparison, and clean exports.
One-time iPhone and iPad app
Cuewarrant
SRT, VTT and TTML
Core Features
- Parse SRT, WebVTT, TTML, SSA, and common timecodes
- Find overlaps, reversals, gaps, and media overruns
- Measure characters per second and line balance
- Search, retime, split, merge, and compare cue files
- Export repaired captions and a QC evidence report
Private by Design
No account, subscription, ads, tracking, third-party analytics, or developer-operated backend. Core features work offline, and your work stays on device unless you deliberately share or export it.
Use It Responsibly
Quality-control aid. Delivery platforms, language conventions, accessibility policy, and editorial intent differ; review every changed cue against picture and sound.