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Turn your regular JavaScript code into a neural net

Handwired converts ordinary JavaScript code into a fully differentiable neural network with no training required, running in a browser without a GPU, according to the project's demos. The Mini OS demo renders a small desktop to regular DOM through 130 layers and 9,909 weights with zero training, while a separate demo searches 100,000 JSON documents by compiling regex matching, JSON parsing and highlighting into WebGPU kernels. The project also lets users unfreeze a compiled program's weights and train them in real time.

read1 min views1 publishedOct 15, 2026

No training, exact yet also fully differentiable, runnable in a browser without GPU.

Demos #

Mini OS

A small desktop written in JS, transformed with Handwired. Giant lists, animation, stacking, scrolling, drag, input, pictures, all rendering to regular DOM.

  • weights
  • 9,909
  • layers
  • 130
  • training
  • 0

Learned gallery

Unfreeze a compiled program’s weights & train them in real time.

Search 100,000 JSON documents

The regex matching, JSON parsing & highlighting are all written in JS, then turned into WebGPU kernels for massive parallelism.

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