loper

Loper · Subtitles, captions & localization

Open .vtt files on your Mac.

.vtt .webvtt

Web subtitles with cue settings like line and position, NOTE and STYLE blocks.

Loper is a free, minimal editor for macOS that opens WebVTT instantly and colors every part of the file, so you find the value you need at a glance and can fix it right there. No IDE, no project to load, no gray wall of text.

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episode_01.vtt opened in Loper: WebVTT with color-coded Subtitles (SRT, VTT, LRC)
Show the file as text
WEBVTT NOTE Translated by the localization team 00:00:01.000 --> 00:00:04.200 line:90% position:50%<v Mia>Previously on Night Shift… 00:00:04.800 --> 00:00:07.950Are all the cards offloaded?

How to open .vtt files

  1. Download Loper (free, Apple silicon, signed and notarized) and move it to Applications.
  2. Double-click your .vtt file, drag it onto the Loper window, or right-click it and choose Open With › Loper.
  3. Want every .vtt file to open in Loper? Choose Loper › Make Loper the Default Editor….

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