Loper · Subtitles, captions & localization

Open .srt files on your Mac.

.srt

Cue numbers, timecodes, arrows and formatting tags stand out from the text.

Loper is a free, minimal editor for macOS that opens SubRip subtitles (SRT) 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.

episode_01.de.srt opened in Loper: SubRip subtitles (SRT) with color-coded Subtitles (SRT, VTT, LRC)
Show the file as text
100:00:01,000 --> 00:00:04,200<i>Previously on Night Shift…</i> 200:00:04,800 --> 00:00:07,950Are all the cards offloaded? 300:00:08,100 --> 00:00:10,000Twice. And verified.

How to open .srt files

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