Free online design and image tools

Generates color scales whose steps meet target contrast ratios for design systems.

Shows contrast scores for every combination in a set of colors.

Picks and converts colors in OKLCH and warns when they fall outside a display gamut.

Turns an uploaded photo into pixel art with adjustable block size and palette.

Simple pixel-art editor with a colour picker and grid canvas for making small sprites.

Turns any text into a unique robot, monster or alien image.

Generates parametric boxes, trays and mechanical parts as SVG, DXF or PDF for laser cutting.

Interactive palette generator that interpolates colors between anchor points in a 3D color space.

Browsable swatch library of traditional Chinese color names with their color values.

Corrupts JPEG data on purpose to create glitch-art versions of a picture.

Creates avatar images from initials via URL parameters.

Views KiCad schematics and PCB layouts in the browser without installing KiCad.

Batch image compressor that runs in the browser using codecs compiled to WebAssembly.

Canvas-based pixel-art editor that loads palettes from the Lospec palette list.

Color schemes for maps and charts, with filters for colorblind safe, print and photocopy options.

Renders Gerber and drill files of a PCB as layers you can toggle.

Remaps an image's colors to the Nord theme palette or another chosen palette.

Previews text, background and accent colors on a live website mock-up with font pairings.

Browser slicer for 3D printing plus CAM for CNC mills, lasers and wire EDM.

Places screenshots in browser or device frames over backgrounds; the page says it runs in your browser.

Cleans up AI-generated pixel art and vector images directly in the browser.

Premade gradients written with Tailwind CSS classes using default colors.

Reference page that lists the named CSS colors grouped so similar shades sit together.

Adds zoom, backgrounds and cursor effects to screen recordings to make product demo videos.