Simon Willison’s Weblog

Design. A very fancy suite of design tools wrapped up in a bookmarklet (that loads an external script). Includes grids, rulers, measurements and a crosshair.

Posted 20th December 2007 at 4:53 pm

Recent articles

How Rob Pike got spammed with an AI slop "act of kindness" - 26th December 2025
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Cooking with Claude - 23rd December 2025

allan-jardine 2 bookmarklets 18 design 81 grids 1

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