diff --git a/scripts/extract-elx/extract-elx.js b/scripts/extract-elx/extract-elx.js
index 13e18db..f7c37ca 100644
--- a/scripts/extract-elx/extract-elx.js
+++ b/scripts/extract-elx/extract-elx.js
@@ -65,6 +65,27 @@ try {
   }
 }
 
+// Import crc-32 for file integrity checks (try multiple locations)
+let crc32;
+try {
+  // Try local node_modules first
+  crc32 = require('crc-32');
+} catch (err) {
+  try {
+    // Try to find npm global prefix and load from there
+    const npmPrefix = execSync('npm config get prefix', { encoding: 'utf-8' }).trim();
+    const globalCrc32 = join(npmPrefix, 'node_modules', 'crc-32');
+    crc32 = require(globalCrc32);
+  } catch (err2) {
+    console.error(
+      '\n❌ Missing dependency: crc-32\n' +
+      'Please install globally with: npm install -g crc-32\n' +
+      'Or locally in the current directory with: npm install crc-32\n'
+    );
+    process.exit(1);
+  }
+}
+
 // ============================================================================
 // CONFIGURATION
 // ============================================================================
diff --git a/scripts/extract-elx/package-lock.json b/scripts/extract-elx/package-lock.json
index 609a5b2..45c9187 100644
--- a/scripts/extract-elx/package-lock.json
+++ b/scripts/extract-elx/package-lock.json
@@ -5,7 +5,9 @@
   "packages": {
     "": {
       "dependencies": {
-        "fast-xml-parser": "^5.8.0"
+        "crc-32": "^1.2.2",
+        "fast-xml-parser": "^5.8.0",
+        "xml-formatter": "^3.7.0"
       }
     },
     "node_modules/@nodable/entities": {
@@ -20,6 +22,18 @@
       ],
       "license": "MIT"
     },
+    "node_modules/crc-32": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmjs.org/crc-32/-/crc-32-1.2.2.tgz",
+      "integrity": "sha512-ROmzCKrTnOwybPcJApAA6WBWij23HVfGVNKqqrZpuyZOHqK2CwHSvpGuyt/UNNvaIjEd8X5IFGp4Mh+Ie1IHJQ==",
+      "license": "Apache-2.0",
+      "bin": {
+        "crc32": "bin/crc32.njs"
+      },
+      "engines": {
+        "node": ">=0.8"
+      }
+    },
     "node_modules/fast-xml-builder": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/fast-xml-builder/-/fast-xml-builder-1.2.0.tgz",
@@ -85,6 +99,18 @@
       ],
       "license": "MIT"
     },
+    "node_modules/xml-formatter": {
+      "version": "3.7.0",
+      "resolved": "https://registry.npmjs.org/xml-formatter/-/xml-formatter-3.7.0.tgz",
+      "integrity": "sha512-+8qTc3zv2UcJ1v9IsSIce37Dl4MQG14Cp7tWrwmy202UaI1wqRukw5QMX1JHsV+DX64yw77EgGsj2s5wGvuMbQ==",
+      "license": "MIT",
+      "dependencies": {
+        "xml-parser-xo": "^4.1.5"
+      },
+      "engines": {
+        "node": ">= 16"
+      }
+    },
     "node_modules/xml-naming": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/xml-naming/-/xml-naming-0.1.0.tgz",
@@ -99,6 +125,15 @@
       "engines": {
         "node": ">=16.0.0"
       }
+    },
+    "node_modules/xml-parser-xo": {
+      "version": "4.1.5",
+      "resolved": "https://registry.npmjs.org/xml-parser-xo/-/xml-parser-xo-4.1.5.tgz",
+      "integrity": "sha512-TxyRxk9sTOUg3glxSIY6f0nfuqRll2OEF8TspLgh5mZkLuBgheCn3zClcDSGJ58TvNmiwyCCuat4UajPud/5Og==",
+      "license": "MIT",
+      "engines": {
+        "node": ">= 16"
+      }
     }
   }
 }
diff --git a/scripts/extract-elx/package.json b/scripts/extract-elx/package.json
index 09d099d..8faa62d 100644
--- a/scripts/extract-elx/package.json
+++ b/scripts/extract-elx/package.json
@@ -1,5 +1,7 @@
 {
   "dependencies": {
-    "fast-xml-parser": "^5.8.0"
+    "crc-32": "^1.2.2",
+    "fast-xml-parser": "^5.8.0",
+    "xml-formatter": "^3.7.0"
   }
 }