Loper · Editors & assistant editors

Open .epr files on your Mac.

.epr

Premiere Pro and Media Encoder presets: codec, frame size, bitrate and audio settings.

Loper is a free, minimal editor for macOS that opens Adobe export preset (.epr) 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.

ProRes 422 HQ - Delivery.epr opened in Loper: Adobe export preset (.epr) with color-coded XML
Show the file as text
<?xml version="1.0" encoding="UTF-8"?><PremiereData Version="3">  <ExporterParamContainer>    <ExporterName>QuickTime</ExporterName>    <PresetName>ProRes 422 HQ - Delivery</PresetName>    <VideoCodec>Apple ProRes 422 HQ</VideoCodec>    <FrameWidth>3840</FrameWidth>    <FrameHeight>2160</FrameHeight>    <FrameRate>25</FrameRate>    <AudioSampleRate>48000</AudioSampleRate>    <AudioChannels>8</AudioChannels>  </ExporterParamContainer></PremiereData>

How to open .epr files

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