Simon Willison’s Weblog

Sketchpad - Online Paint/Drawing application (via) Impressive canvas based bitmap drawing tool with an extremely smooth UI.

Posted 7th February 2010 at 10:45 am

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

canvas 38 sketchpad 2

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