🔧 Avanzado Grid Color Grid Opacity Pixel Size Thickness (cells) 🖌 Brush 🧽 Eraser 🎨 Fill 🎯 Eyedropper 📏 Line Color Retro Presets 📐 Toggle Grid 🔍 Zoom In 🔎 Zoom Out 🖥 Fullscreen ↩️ Undo 🧹 Clear Transparent BG ⬇️ Export 📂 Load Image