GridGallery overview

GridGallery arranges your own photos into a uniform grid: set rows, columns, spacing, and a target width or height, and it lays everything out automatically. Brightness-threshold and filename-pattern filters curate which images earn a cell, so it scales to hundreds of source photos with no manual placement. Turn on seamless horizontal/vertical tiling to produce an edge-to-edge repeating pattern (wallpaper-ready), or leave it as a fixed layout for wall art, mood boards, or contact sheets. Per-tile styling — zoom/crop, corner radius, blur, vignette, 8 built-in photo effects, and a global color blend — keeps the result cohesive instead of a messy patchwork. Live preview updates as you adjust any control; export as PNG, JPEG, or TIFF, or copy straight to the clipboard.

What's new in version 1.4.0

Much faster filtering, so large image sets breeze through.
Smoother editing: the mosaic updates once you've finished adjusting, keeping the app responsive.
New option to show only the images that pass your brightness filter in the source image list.
Added Chrome, Noir, and Warm Tone effects.
Stability improvements.