Simon Willison’s Weblog

Shadowmaker. Upload a PNG with a transparent background and get back a shadow image suitable for use with the Google Maps API.

Posted 10th December 2007 at 3:45 pm

Recent articles

Video: Building a tool to copy-paste share terminal sessions using Claude Code for web - 23rd October 2025
Dane Stuckey (OpenAI CISO) on prompt injection risks for ChatGPT Atlas - 22nd October 2025
Living dangerously with Claude - 22nd October 2025

google-maps 53 google-maps-api 4 png 8 shadowmaker 1

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe