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mandelbrot

A free fractal demo — play it in your browser, no install. Real-time Mandelbrot/Julia set renderer using WebGPU

by @isghe · isghe/mandelbrot on GitHubLANG JavaScriptHOSTED ON ISGHE.GITHUB.IOUPDATED 19 Aug 2026

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From the README

Itero, iteras, iteravi, iteratum, iterare

Real-time Mandelbrot and Julia set renderer using the WebGPU API, with double-single precision arithmetic in the shader for deep zooms (~1e-13/1e-14).

panning and zooming at interactive framerates.

~1e-7 wall of native f32 down to ~1e-13/1e-14.

corresponding Julia set; show it side by side with the Mandelbrot set, or on its own.

cusp, Seahorse Valley, the Feigenbaum point, ...) without hunting for them by hand, with an optional overlay marking all of them at once.

palette, and mode you're looking at.

Read the full README on GitHub →

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