diff --git a/scripts/potomo.js b/scripts/potomo.js
new file mode 100644
index 00000000..f7fbffa5
--- /dev/null
+++ b/scripts/potomo.js
@@ -0,0 +1,33 @@
+/* Convert .po files to .mo files. */
+'use strict';
+const childProcess = require('child_process');
+const fs = require('fs');
+const path = require('path');
+
+/* This isn't portable but it doesn't (yet?) need to be. */
+const msgfmtPath = path.join('C:\\', 'Program Files (x86)', 'Poedit', 'GettextTools', 'bin', 'msgfmt.exe');
+
+let rootPath = '.';
+if (process.argv.length > 2) {
+  rootPath = process.argv[2];
+}
+
+const l10nPath = path.join(rootPath, 'resources', 'l10n');
+fs.readdirSync(l10nPath).forEach((file) => {
+  if (fs.statSync(path.join(l10nPath, file)).isDirectory()) {
+    try {
+      const poPath = path.join(l10nPath, file, 'LC_MESSAGES', 'loot.po');
+      const moPath = path.join(l10nPath, file, 'LC_MESSAGES', 'loot.mo');
+
+      fs.accessSync(poPath, fs.R_OK);
+
+      childProcess.execFileSync(msgfmtPath, [
+        poPath,
+        '-o',
+        moPath,
+      ]);
+    } catch (error) {
+      console.log(error);
+    }
+  }
+});