for tiny things

World’s smallest JavaScript-like engine for microcontrollers


A script engine in as little as 16kB of ROM and 300B of RAM


Easy integration and portable across a wide variety of devices


Scripts run securely in a sandboxed environment

A selection of the most important JavaScript features

A selected core subset of the JavaScript language, to give you the best of both worlds: a high level language and an ultra-low memory footprint.

Tuned for 16-bit devices

Hand-optimized for ultra-low power devices with a 16-bit address space. 

Under development

Alpha version recently released.

Check out my blog to stay up to date.