diff --git a/api/setup/analyzeMenuUrl.php b/api/setup/analyzeMenuUrl.php
index 0f7c391..d60ecb0 100644
--- a/api/setup/analyzeMenuUrl.php
+++ b/api/setup/analyzeMenuUrl.php
@@ -292,6 +292,31 @@ JSEOF;
         }
         $siteName = $bizInfo['name'] ?? '';
 
+        // 3. Extract header image from og:image or JSON-LD image
+        $headerImageUrl = '';
+        // Try og:image meta tag first (most common for restaurants)
+        if (preg_match('#<meta\s+(?:property|name)=["\']og:image["\']\s+content=["\']([^"\']+)["\']#i', $html, $ogm)) {
+            $headerImageUrl = trim($ogm[1]);
+        } elseif (preg_match('#<meta\s+content=["\']([^"\']+)["\']\s+(?:property|name)=["\']og:image["\']#i', $html, $ogm)) {
+            $headerImageUrl = trim($ogm[1]);
+        }
+        // Fallback: JSON-LD image field
+        if (empty($headerImageUrl) && preg_match_all('#<script[^>]*type=["\']application/ld\+json["\'][^>]*>([^<]+)</script>#i', $html, $ldImgMatches)) {
+            foreach ($ldImgMatches[1] as $ldJson) {
+                $ld = json_decode($ldJson, true);
+                if (!is_array($ld)) continue;
+                $entries = isset($ld['@graph']) ? $ld['@graph'] : [$ld];
+                foreach ($entries as $entry) {
+                    if (!empty($entry['image'])) {
+                        $img = $entry['image'];
+                        if (is_string($img)) { $headerImageUrl = $img; break 2; }
+                        if (is_array($img) && !empty($img['url'])) { $headerImageUrl = $img['url']; break 2; }
+                        if (is_array($img) && isset($img[0])) { $headerImageUrl = is_string($img[0]) ? $img[0] : ($img[0]['url'] ?? ''); break 2; }
+                    }
+                }
+            }
+        }
+
         // Parse address into components if only full string
         if (!empty($bizInfo['address']) && empty($bizInfo['addressLine1'])) {
             $addr = $bizInfo['address'];
@@ -443,6 +468,7 @@ JSEOF;
             'platformPages' => $platformPages,
             'hasPlatform' => $hasPlatform,
             'totalPagesFound' => count($menuPages),
+            'headerImageUrl' => $headerImageUrl,
         ]);
     }
 
diff --git a/api/setup/downloadImages.php b/api/setup/downloadImages.php
index 2926840..7fdf531 100644
--- a/api/setup/downloadImages.php
+++ b/api/setup/downloadImages.php
@@ -81,12 +81,6 @@ try {
     // Download header
     if (!empty($data['headerUrl'])) {
         $headerUrl = $data['headerUrl'];
-        $ext = '.jpg';
-        if (stripos($headerUrl, '.png') !== false) $ext = '.png';
-        elseif (stripos($headerUrl, '.gif') !== false) $ext = '.gif';
-        elseif (stripos($headerUrl, '.webp') !== false) $ext = '.webp';
-
-        $headerFile = "$headersPath/$businessID$ext";
 
         try {
             $ch = curl_init($headerUrl);
@@ -94,24 +88,46 @@ try {
                 CURLOPT_RETURNTRANSFER => true,
                 CURLOPT_TIMEOUT => 30,
                 CURLOPT_FOLLOWLOCATION => true,
+                CURLOPT_HTTPHEADER => [
+                    'User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36',
+                ],
             ]);
             $content = curl_exec($ch);
             $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+            $contentType = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
             curl_close($ch);
 
-            if ($httpCode === 200 && $content !== false) {
+            if ($httpCode === 200 && $content !== false && strlen($content) > 100) {
+                // Detect actual format from content-type or magic bytes
+                $ext = 'jpg';
+                if (stripos($contentType, 'png') !== false) $ext = 'png';
+                elseif (stripos($contentType, 'gif') !== false) $ext = 'gif';
+                elseif (stripos($contentType, 'webp') !== false) $ext = 'webp';
+                else {
+                    // Fallback: check magic bytes
+                    $hex = strtoupper(bin2hex(substr($content, 0, 8)));
+                    if (str_starts_with($hex, '89504E47')) $ext = 'png';
+                    elseif (str_starts_with($hex, '474946')) $ext = 'gif';
+                    elseif (str_starts_with($hex, '52494646')) $ext = 'webp';
+                }
+
+                $headerFile = "$headersPath/$businessID.$ext";
                 file_put_contents($headerFile, $content);
+
+                // Update database
+                queryTimed("UPDATE Businesses SET HeaderImageExtension = ? WHERE ID = ?", [$ext, $businessID]);
+
                 $response['downloaded'][] = [
                     'type' => 'header',
                     'url' => $headerUrl,
-                    'savedTo' => "/uploads/headers/$businessID$ext",
+                    'savedTo' => "/uploads/headers/$businessID.$ext",
                     'size' => strlen($content),
                 ];
             } else {
                 $response['downloaded'][] = [
                     'type' => 'header',
                     'url' => $headerUrl,
-                    'error' => "HTTP $httpCode",
+                    'error' => "HTTP $httpCode (size: " . strlen($content ?: '') . ")",
                 ];
             }
         } catch (Exception $e) {