loper

Loper · Subtitles, captions & localization

Open .resx files on your Mac.

.resx

Translations and resources for .NET apps: named data entries with values and comments.

Loper is a free, minimal editor for macOS that opens .NET resources (.resx) 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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Strings.de.resx opened in Loper: .NET resources (.resx) with color-coded XML
Show the file as text
<?xml version="1.0" encoding="utf-8"?><root>  <resheader name="resmimetype">    <value>text/microsoft-resx</value>  </resheader>  <data name="ExportButton" xml:space="preserve">    <value>Exportieren</value>    <comment>Main toolbar</comment>  </data>  <data name="CopyProgress" xml:space="preserve">    <value>Kopiere {0} von {1} Dateien</value>  </data></root>

How to open .resx files

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

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