Grid Collage

Understandable
grid-collage.compose

Arrange 1 to 9 images into a 1×3, 2×3, or 3×3 three-column collage

What it does

Takes 1 to 9 images and arranges them in a fixed 3-column layout (1, 2, or 3 rows), with per-row limits of 3, 6, and 9 images respectively. Supports gap, corner radius, white/black background, and fit mode. Outputs 1 opaque PNG. Image order is preserved and matters.

Assets required

1 to 9 images; order-sensitive; actual limit depends on rows: 1 row up to 3 images, 2 rows up to 6 images, 3 rows up to 9 images

Order sensitive: Yes

Main inputs

rowsfitgapborderRadiusbackground

Outputs

1 opaque PNG collage image

Example requests

  • Combine these 9 photos into one collage
  • Arrange 6 photos in a 2×3 grid with some gaps
  • Make a 3-column collage, don't crop too aggressively
  • 3 images in a single row with a white background
  • 9 images in a 3×3 collage with rounded corners

Not for

  • Does not split a single image into pieces (use Grid Splitter instead)
  • Does not apply filters or enhancements
  • Does not remove backgrounds
  • Does not generate captions

Current maturity

Current maturity: Understandable. AI and clients can reliably understand its inputs, outputs, and intended use.