- add audio pitch shifter to sidebar.html and tools.json, add screenshot

Author: TobiasMue91

data/tools.json

@@ -1725,5 +1725,16 @@
     "aiPowered": false,
     "featured": false,
     "date": "2025-10-05"
+  },
+  {
+    "id": "audio_pitch_shifter",
+    "title": "Audio Pitch Shifter",
+    "description": "Professional online pitch shifter tool. Change audio pitch in real-time without affecting speed. Supports microphone input, audio files, and recording. Free browser-based pitch shifting.",
+    "url": "tools/audio_pitch_shifter.html",
+    "screenshot": "screenshots/screenshot_223.webp",
+    "type": "tool",
+    "aiPowered": false,
+    "featured": false,
+    "date": "2025-10-10"
   }
 ]

screenshots/screenshot_223.webp

@@ -308,6 +308,7 @@ <h2>Tools by ChatGPT</h2>
       <li><a href="/tools/family_tree_builder.html">Family Tree Builder</a></li>
       <li><a href="/tools/animal_age_calculator.html">Animal Age Calculator</a></li>
       <li><a href="/tools/animal_size_comparison.html">Animal Size Comparison</a></li>
+      <li><a href="/tools/audio_pitch_shifter.html">Audio Pitch Shifter</a></li>
 <!-- end -->
     </ul>
   </div>