Simon Willison’s Weblog

Tutorial: Creating a Mozilla Extension (via) I spent nearly an hour looking for this the other day with no success.

Posted 14th July 2004 at 8:17 pm

Recent articles

Two new Showboat tools: Chartroom and datasette-showboat - 17th February 2026
Deep Blue - 15th February 2026
The evolution of OpenAI's mission statement - 13th February 2026

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