diff --git a/backend/api/debug-hex.php b/backend/api/debug-hex.php
new file mode 100644
index 0000000..f1cf07b
--- /dev/null
+++ b/backend/api/debug-hex.php
@@ -0,0 +1,35 @@
+<?php
+header('Content-Type: application/json');
+
+$fontDir = realpath(__DIR__ . '/../fonts');
+$files = ['Roboto-Bold.ttf', 'Lora-Bold.ttf'];
+$results = [];
+
+foreach ($files as $file) {
+    $path = $fontDir . '/' . $file;
+    if (file_exists($path)) {
+        $fp = fopen($path, 'rb');
+        $bytes = fread($fp, 16);
+        fclose($fp);
+        
+        $hex = [];
+        $ascii = '';
+        for ($i = 0; $i < strlen($bytes); $i++) {
+            $h = sprintf('%02x', ord($bytes[$i]));
+            $hex[] = $h;
+            $c = ord($bytes[$i]);
+            $ascii .= ($c >= 32 && $c <= 126) ? $bytes[$i] : '.';
+        }
+        
+        $results[$file] = [
+            'size' => filesize($path),
+            'first_16_hex' => implode(' ', $hex),
+            'first_16_ascii' => $ascii
+        ];
+    } else {
+        $results[$file] = 'File not found';
+    }
+}
+
+echo json_encode($results, JSON_PRETTY_PRINT);
+?>