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Auto Crop Transparent Pixels

Trim transparent borders from PNG images automatically. Detects the non-transparent bounding box and crops the image to it.

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Auto Crop Transparent Pixels

Automatically trim transparent borders from PNG images by detecting the bounding box of non-transparent pixels. Perfect for cleaning up sticker exports, cutting tight crops around subjects, and prepping assets for sprite atlases.

Features

  • Alpha threshold slider for what counts as 'visible'
  • Optional padding to keep around content
  • 100% local processing
  • Transparent-checkerboard preview

Use cases

  • Trim sticker exports to minimum dimensions
  • Crop tightly around cut-out portraits
  • Prepare assets for sprite atlases
  • Clean exports from design software