diff --git a/electron/build.js b/electron/build.js
index 45cca82b..2713f319 100644
--- a/electron/build.js
+++ b/electron/build.js
@@ -6,7 +6,17 @@ const path = require("path")
 const afterPack = async (context) => {
   if (context.electronPlatformName === "darwin") {
     const appPath = context.appOutDir
-    const fastapiPath = path.join(appPath, "Presenton.app/Contents/Resources/app/resources/fastapi/fastapi")
+    const appBundleName = `${context.packager.appInfo.productFilename}.app`
+    const resourcesRoot = path.join(
+      appPath,
+      appBundleName,
+      "Contents",
+      "Resources",
+      "app",
+      "resources"
+    )
+    const fastapiPath = path.join(resourcesRoot, "fastapi", "fastapi")
+    const convertPath = path.join(resourcesRoot, "export", "py", "convert")
 
     console.log("Setting executable permissions for FastAPI binary...")
     console.log("FastAPI path:", fastapiPath)
@@ -18,10 +28,25 @@ const afterPack = async (context) => {
       console.warn("⚠ FastAPI binary not found at:", fastapiPath)
     }
 
-    const fastapiDir = path.join(appPath, "Presenton.app/Contents/Resources/app/resources/fastapi")
+    console.log("Setting executable permissions for export converter binary...")
+    console.log("Converter path:", convertPath)
+
+    if (fs.existsSync(convertPath)) {
+      fs.chmodSync(convertPath, 0o755)
+      console.log("✓ Execute permissions set for converter")
+    } else {
+      console.warn("⚠ Converter binary not found at:", convertPath)
+    }
+
+    const fastapiDir = path.join(resourcesRoot, "fastapi")
     if (fs.existsSync(fastapiDir)) {
       console.log("FastAPI directory contents:", fs.readdirSync(fastapiDir))
     }
+
+    const exportPyDir = path.join(resourcesRoot, "export", "py")
+    if (fs.existsSync(exportPyDir)) {
+      console.log("Export py directory contents:", fs.readdirSync(exportPyDir))
+    }
   }
 }
 
diff --git a/electron/package.json b/electron/package.json
index 86f549d8..0b0de7ba 100644
--- a/electron/package.json
+++ b/electron/package.json
@@ -34,10 +34,11 @@
     "build:ts": "rm -rf app_dist && tsc",
     "build:css": "tailwindcss -i ./resources/ui/assets/css/tailwind.import.css -o ./resources/ui/assets/css/tailwind.css --watch",
     "build:vectorstore": "cd servers/fastapi && uv run python build_vectorstore.py",
+    "build:export-runtime": "node sync_export_runtime.js",
     "build:nextjs": "rm -rf resources/nextjs && cd servers/nextjs && cross-env BUILD_TARGET=electron npm run build && cp -r .next-build ../../resources/nextjs && cp -r app/presentation-templates ../../resources/nextjs/presentation-templates",
     "build:fastapi": "rm -rf resources/fastapi && npm run build:vectorstore && (cp ../servers/fastapi/alembic/versions/*.py servers/fastapi/alembic/versions/ 2>/dev/null || true) && cd servers/fastapi && uv run python -m PyInstaller --distpath ../../resources server.spec",
     "generate:version": "node generate_update.js",
-    "build:electron": "npm run generate:version && rm -rf app_dist && tsc && node build.js",
+    "build:electron": "npm run generate:version && npm run build:export-runtime && rm -rf app_dist && tsc && node build.js",
     "build:all": "npm run clean:build && npm run setup:env && npm run build:ts && npm run install:pyinstaller && npm run build:nextjs && npm run build:fastapi && npm run build:electron",
     "clean:build": "rm -rf resources/nextjs && rm -rf resources/fastapi && rm -rf app_dist"
   },
diff --git a/electron/sync_export_runtime.js b/electron/sync_export_runtime.js
new file mode 100644
index 00000000..ea7fa2c1
--- /dev/null
+++ b/electron/sync_export_runtime.js
@@ -0,0 +1,59 @@
+const fs = require("fs");
+const path = require("path");
+const { spawnSync } = require("child_process");
+
+const repoRoot = path.resolve(__dirname, "..");
+const exportProjectDir = path.join(repoRoot, "presenton-export-opensource");
+const sourceIndex = path.join(exportProjectDir, "dist", "index.js");
+const sourceConvert = path.join(exportProjectDir, "dist", "py", "convert");
+const targetRoot = path.join(__dirname, "resources", "export");
+const targetPyDir = path.join(targetRoot, "py");
+const targetIndex = path.join(targetRoot, "index.js");
+const targetConvert = path.join(targetPyDir, "convert");
+
+function run(command, args, cwd) {
+  const result = spawnSync(command, args, {
+    cwd,
+    stdio: "inherit",
+    shell: process.platform === "win32",
+  });
+
+  if (result.status !== 0) {
+    throw new Error(`Command failed: ${command} ${args.join(" ")}`);
+  }
+}
+
+function ensureExists(filePath, label) {
+  if (!fs.existsSync(filePath)) {
+    throw new Error(`${label} not found at: ${filePath}`);
+  }
+}
+
+function copyFile(source, target) {
+  fs.mkdirSync(path.dirname(target), { recursive: true });
+  fs.copyFileSync(source, target);
+}
+
+function chmodIfPossible(filePath) {
+  if (process.platform !== "win32") {
+    fs.chmodSync(filePath, 0o755);
+  }
+}
+
+function main() {
+  console.log("[export-runtime] Building export runtime artifacts...");
+  run("bun", ["run", "build:all"], exportProjectDir);
+
+  ensureExists(sourceIndex, "Export runtime JS bundle");
+  ensureExists(sourceConvert, "Export runtime converter binary");
+
+  copyFile(sourceIndex, targetIndex);
+  copyFile(sourceConvert, targetConvert);
+  chmodIfPossible(targetConvert);
+
+  console.log("[export-runtime] Synced files:");
+  console.log(`  - ${targetIndex}`);
+  console.log(`  - ${targetConvert}`);
+}
+
+main();