diff --git a/build.js b/build.js
index c2b0222..e476ef5 100644
--- a/build.js
+++ b/build.js
@@ -1,10 +1,12 @@
 import * as esbuild from 'esbuild';
 import { cpSync, mkdirSync, readFileSync, writeFileSync } from 'fs';
+import { execSync } from 'child_process';
 import { resolve, dirname } from 'path';
 import { fileURLToPath } from 'url';
 
 const __dirname = dirname(fileURLToPath(import.meta.url));
 const isWatch = process.argv.includes('--watch');
+const isPackage = process.argv.includes('--package');
 
 const entries = [
   { in: 'src/content/index.js', out: 'dist/content.js' },
@@ -32,12 +34,19 @@ async function build() {
   // Copy static assets
   cpSync('static/icons', 'dist/icons', { recursive: true });
   cpSync('static/overlay.css', 'dist/overlay.css');
-  cpSync('src/debug/debug.js', 'dist/debug.js');
   cpSync('src/popup/popup.html', 'dist/popup.html');
   cpSync('src/popup/popup.css', 'dist/popup.css');
 
-  // Copy manifest.json
-  cpSync('manifest.json', 'dist/manifest.json');
+  // Copy manifest.json, stripping debug content script for production
+  const manifest = JSON.parse(readFileSync('manifest.json', 'utf8'));
+  if (isPackage) {
+    manifest.content_scripts = manifest.content_scripts.filter(
+      (cs) => !cs.js.includes('debug.js'),
+    );
+  } else {
+    cpSync('src/debug/debug.js', 'dist/debug.js');
+  }
+  writeFileSync('dist/manifest.json', JSON.stringify(manifest, null, 2));
 
   console.log('Build complete → dist/');
 }
@@ -64,8 +73,23 @@ async function watch() {
   console.log('Watching for changes...');
 }
 
+async function packageExtension() {
+  await build();
+
+  const manifest = JSON.parse(readFileSync('dist/manifest.json', 'utf8'));
+  const zipName = `cesar-v${manifest.version}.zip`;
+
+  execSync(`cd dist && zip -r ../${zipName} .`);
+  console.log(`Packaged → ${zipName}`);
+}
+
 if (isWatch) {
   watch().catch(console.error);
+} else if (isPackage) {
+  packageExtension().catch((err) => {
+    console.error(err);
+    process.exit(1);
+  });
 } else {
   build().catch((err) => {
     console.error(err);
diff --git a/package-lock.json b/package-lock.json
index e84c7cc..19f7e47 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -117,7 +117,6 @@
         }
       ],
       "license": "MIT",
-      "peer": true,
       "engines": {
         "node": ">=18"
       },
@@ -141,7 +140,6 @@
         }
       ],
       "license": "MIT",
-      "peer": true,
       "engines": {
         "node": ">=18"
       }
@@ -1294,7 +1292,6 @@
       "integrity": "sha512-UVJyE9MttOsBQIDKw1skb9nAwQuR5wuGD3+82K6JgJlm/Y+KI92oNsMNGZCYdDsVtRHSak0pcV5Dno5+4jh9sw==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "bin": {
         "acorn": "bin/acorn"
       },
@@ -1762,7 +1759,6 @@
       "integrity": "sha512-XoMjdBOwe/esVgEvLmNsD3IRHkm7fbKIUGvrleloJXUZgDHig2IPWNniv+GwjyJXzuNqVjlr5+4yVUZjycJwfQ==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "@eslint-community/eslint-utils": "^4.8.0",
         "@eslint-community/regexpp": "^4.12.1",
@@ -2347,7 +2343,6 @@
       "integrity": "sha512-8i7LzZj7BF8uplX+ZyOlIz86V6TAsSs+np6m1kpW9u0JWi4z/1t+FzcK1aek+ybTnAC4KhBL4uXCNT0wcUIeCw==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "dependencies": {
         "cssstyle": "^4.1.0",
         "data-urls": "^5.0.0",
@@ -2687,7 +2682,6 @@
       "integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
       "dev": true,
       "license": "MIT",
-      "peer": true,
       "engines": {
         "node": ">=12"
       },
diff --git a/package.json b/package.json
index 6edf7be..1b41f5d 100644
--- a/package.json
+++ b/package.json
@@ -11,7 +11,8 @@
     "format": "prettier --write \"src/**/*.{js,css,html}\"",
     "test": "vitest run",
     "test:watch": "vitest",
-    "ci": "npm run lint && npm run test && npm run build"
+    "ci": "npm run lint && npm run test && npm run build",
+    "package": "node build.js --package"
   },
   "devDependencies": {
     "esbuild": "^0.25.0",