Ruler bookmarklet
29th March 2003
This Ruler bookmarklet is really cool—it shows the current coordinates of the cursor within the browser window and allows you to draw boxes and see how large they are in pixels—invaluable for tweaking CSS layouts.
More recent articles
- Highlights from my appearance on the Data Renegades podcast with CL Kao and Dori Wilson - 26th November 2025
- Claude Opus 4.5, and why evaluating new LLMs is increasingly difficult - 24th November 2025
- sqlite-utils 4.0a1 has several (minor) backwards incompatible changes - 24th November 2025