Simon Willison’s Weblog

Sha256 Algorithm Explained (via) Absolutely beautiful interactive animated explanation by Domingo Martin of the SHA256 hashing algorithm.

Posted 7th February 2022 at 7:27 pm

Recent articles

My review of Claude's new Code Interpreter, released under a very confusing name - 9th September 2025
Recreating the Apollo AI adoption rate chart with GPT-5, Python and Pyodide - 9th September 2025
GPT-5 Thinking in ChatGPT (aka Research Goblin) is shockingly good at search - 6th September 2025

algorithms 15 explorables 26

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe