Simulation uses the Machado, Oliveira & Fernandes (2009) severity-1.0 model for dichromats, blended toward the original image by the strength slider. Roughly 1 in 12 men and 1 in 200 women have some form of colour vision deficiency.

Convert an AVIF picture to PNG in your browser - the file never leaves the page.

One colour in, every notation out - HEX, RGB, HSL and CMYK - with WCAG contrast ratios and shades.

Generative particle flow fields that stream around the cursor like a living system.

Symmetrical mandala patterns from your own seed, drawn live on canvas.

Render your link the way a chat app or X will show it, and generate the meta tags to match.

Work out the real file size of an audio file at any bitrate, sample rate or channel count.

Continuous-compounding interest and the e-folding half-life that goes with it.

Drag out a grid definition and get the CSS with media queries attached.