UE
Utility Empire
single-file tools · media
media video-subtitle-sync 100% offline · client-side

Subtitle Sync & Converter

Drop an .srt or .vtt subtitle file (or paste raw text) and read it into a cue model. Shift every cue by a timing offset, check that each line is readable within its display window, and re-serialize to SRT or WebVTT. Nothing leaves your machine.

● detector rack — stage health

click a module for detail

Input subtitles

srt · vtt · auto-detect
▤

Drop a subtitle file

or browse files · stays local

format — 0 cues 0 flags no file loaded

Transform

applies instantly
presets

negative = start earlier · positive = play later · timestamps clamp at 0

output format

auto keeps the detected source format · srt renumbers cues · vtt emits a WEBVTT header

chars / sec

a cue whose text needs more time than its window allows is flagged above this rate

Converted output

0 cues 0 KB
idle output is derived · read-only