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

OpenAI's new open weight (Apache 2) models are really good - 5th August 2025
ChatGPT agent's user-agent - 4th August 2025
The ChatGPT sharing dialog demonstrates how difficult it is to design privacy preferences - 3rd August 2025

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