Fractal
Explorer.
Real-time fractals rendered on the GPU via WebGPU. Scroll to zoom, drag to pan. Pick a preset from the sidebar — or open Custom and write your own WGSL kernel.
Edit the WGSL kernel below and click Apply. Available inputs:
cam.center, cam.zoom, cam.time,
uv (aspect-corrected), worldCoord
(= cam.center + uv * cam.zoom). The body must
return vec4<f32>(r, g, b, a); for every pixel.
Note: this is WGSL, not GLSL — types are annotated
(var z = vec2<f32>(0.0, 0.0)) and indices need
u/i suffixes.
Frequently asked questions
What does Fractal Explorer do?
Real-time Mandelbrot rendered on your GPU with WebGPU. The whole thing runs in your browser tab, so it is ready the moment the page finishes loading.
Is Fractal Explorer free to use?
Yes. Fractal Explorer is completely free on ToolMunch — no trial, no premium tier holding back the main feature, and no daily or hourly cap on how many times you can use it.
Do I need to create an account or sign up?
No. There is no account, no email address, and no login. Open Fractal Explorer, do the job, and take the result — nothing is gated behind a signup form.
Is the code I paste in sent to a server?
No. Fractal Explorer runs entirely inside your browser tab, so the code you paste stays on your own device. Nothing is uploaded, which means there is no copy of it on a server to worry about.
Does Fractal Explorer work on Mac, Windows, and phones?
Yes. Fractal Explorer runs in any modern web browser on Windows, macOS, Linux, Chromebook, Android, and iOS. There is nothing to download or install.
Can I use it as many times as I want?
Yes. There is no queue, no per-hour quota, and no counter that runs out — run Fractal Explorer as often as the work needs.