Shared across levels

Tools

The tools you'll use across more than one level. They all run in your browser.

Levels 1 & 2

EEPROM Programmer

Read, edit, write and verify EEPROM chips with a CH341A, right in Chrome or Edge. Hex table with the text alongside, verify with every difference marked, and a scratch session that remembers your work for the day.

Levels 1 & 2

CH341A Setup

Using your own computer? The one-time driver step for Windows, Linux and macOS, how to plug a chip in, and desktop programs that also work.

Levels 1 & 3

CyberChef

The browser tool for decoding, converting and unpicking data one step at a time, with the operations you'll reach for most.