loper

Loper · Broadcast, IPTV & streaming

Open .vpy files on your Mac.

.vpy

VapourSynth video processing scripts, written in Python.

Loper is a free, minimal editor for macOS that opens VapourSynth script (.vpy) 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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denoise.vpy opened in Loper: VapourSynth script (.vpy) with color-coded Python
Show the file as text
import vapoursynth as vs core = vs.core clip = core.lsmas.LWLibavSource("A001C003.mov")clip = core.resize.Bicubic(clip, format=vs.YUV420P10, matrix_s="709")clip = core.std.Trim(clip, first=50, last=1550)clip = core.knlm.KNLMeansCL(clip, d=2, a=2, h=0.8) clip.set_output()

How to open .vpy files

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

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