Update server.js

server.js

@@ -120,7 +120,8 @@ ${htmlContent}
 
     const pdfBuffer = await page.pdf({
       ...defaultPdfOptions,
-      ...(pdfOptions || {})
+      ...(pdfOptions || {}),
+      encoding: 'binary'
     });
 
     await browser.close();
@@ -129,8 +130,11 @@ ${htmlContent}
     const processingTime = Date.now() - startTime;
     console.log(`[${new Date().toISOString()}] PDF generated successfully in ${processingTime}ms`);
 
+    // Convert Buffer to base64 properly
+    const pdfBase64 = Buffer.from(pdfBuffer).toString('base64');
+
     res.json({ 
-      pdf_base64: pdfBuffer.toString("base64"),
+      pdf_base64: pdfBase64,
       success: true,
       processing_time_ms: processingTime,
       pdf_size_bytes: pdfBuffer.length