Simon Willison’s Weblog

PaintbrushJS. Impressive open source JavaScript library from Dave Shea for applying image filters (sharpen, blur, emboss, greyscale etc) to the canvas element.

Posted 9th October 2010 at 11:53 am

Recent articles

The last six months in LLMs, illustrated by pelicans on bicycles - 6th June 2025
Tips on prompting ChatGPT for UK technology secretary Peter Kyle - 3rd June 2025
How often do LLMs snitch? Recreating Theo's SnitchBench with LLM - 31st May 2025

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