Pixel Art Toolkit

Single-file dev tools for pixel art asset generation
Each tool is a fully self-contained HTML file — no external CSS, scripts, or network access required. Open launches the tool in this tab; Download saves a standalone copy for offline use.
PalSwap

Palette swapper — group, arrange, and quickly reassign palettes on imported PNGs, with a saved palette library and live before/after previews.

Open Download
Particle Foundry

2D FX emitter designer — layer particle emitters, preview seamless loops, and bounce the result to a PNG tileset for game engines.

Open Download
BlockBar

SVG palette builder — build equally spaced swatches and a matching gradient bar from imported or manually defined color anchors. Exports SVG markup.

Open Download
Tile Ripper

Tileset extractor — load a full, pixel-perfect game map, align grid regions over it, and rip every unique tile to a tileset PNG plus palette + PIM data per tile.

Open Download
Tiluxo

Nine-patch autotile generator — turn a single source tile into a 47-tile blob autotile sheet, kit-bash decorations, and export a PNG for Godot / Unity.

Open Download
Otto-Tyler

Where Tiluxo fails, Otto-Tyler fails less. Another attempt at creating a comprehensive auto-tiling suite...

Open Download
Tile Composter

Alongside the Tile Ripper, this composter allows you to grind up and mix tilesets quickly and efficiently. This decomposes tiles into quadrants, then allows various permutation options to recompose unique, beautiful tiles.

Open Download
Pixel Fade

More redudant specialization - this is a gradient and palette generator. It has features for generating shared N-n valued palettes, and some swift extremely niche clipboard options.

Open Download
Tip: downloaded copies work in complete isolation — keep them together in one folder if you want the bottom navigation links between tools to keep working.