Simon Willison’s Weblog

Mouseover DOM Inspector v2.0. Steve Chipman’s excellent debugging bookmarklet created back in 2005—includes useful keyboard shortcuts for quickly manipulating the DOM of the current page.

Posted 30th July 2007 at 5:13 pm

Recent articles

GPT-5: Key characteristics, pricing and model card - 7th August 2025
OpenAI's new open weight (Apache 2) models are really good - 5th August 2025
ChatGPT agent's user-agent - 4th August 2025

bookmarklet 6 dom 13 javascript 718 modi 1 steve-chipman 2

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