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Canvas Size Extender

Extend an image's canvas size by adding padding on each side. Solid color or transparent fill. Fully private.

upload_file

点击浏览 或将文件拖放到这里

Select an image

接受格式：image/*

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Canvas Size Extender

Extend an image's canvas without scaling the image itself. Perfect for adding white space for text overlays, creating square versions of portrait/landscape images, or preparing assets with specific margins.

Features

  • Independent top/right/bottom/left padding
  • Solid color or transparent fill
  • Preserves original image at full quality
  • 100% local processing
  • Outputs PNG

Use cases

  • Add space for captions and watermarks
  • Square up portrait/landscape photos for social
  • Create breathing room around product photos
  • Prepare assets with specific gutters
  • Build poster mockups with margins