=== SUMBER ===
  AI Chatbot-1.png
  1024 × 1536 px · 1,921.5 KB · image/png
  saluran alpha: TIADA (latar legap)

=== SASARAN ===
  128 × 192 px (nisbah 0.6667 → 0.6667)
  nisbah pengecilan: 8.00×

=== OUTPUT ===
  ai-chatbot.webp
  7.2 KB · 128 × 192 px
  penjimatan: 1921.5 KB → 7.2 KB (−99.6%)
  sahkan: 128 × 192 px · image/webp