Loper · Subtitles, captions & localization
Open .sbv files on your Mac.
.sbv
YouTube's simple caption format: a start,end time line, then the text.
Loper is a free, minimal editor for macOS that opens YouTube captions (.sbv) 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.

Show the file as text
0:00:00.500,0:00:03.200Welcome back to the channel. 0:00:03.400,0:00:07.000Today we grade a night exteriorshot on the ALEXA 35. 0:00:07.200,0:00:09.800Let's start with the balance.How to open .sbv files
- Download Loper (free, Apple silicon, signed and notarized) and move it to Applications.
- Double-click your .sbv file, drag it onto the Loper window, or right-click it and choose Open With › Loper.
- Want every .sbv file to open in Loper? Choose Loper › Make Loper the Default Editor….
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