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

Embracing the parallel coding agent lifestyle - 5th October 2025
Designing agentic loops - 30th September 2025
Claude Sonnet 4.5 is probably the "best coding model in the world" (at least for now) - 29th September 2025

canvas 38 sketchpad 2

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