Simon Willison’s Weblog

PDF Shrink. $35 OS X app that crunches down the size of PDF files—useful if you often embed photos in your presentations.

Posted 28th May 2007 at 2:21 pm

Recent articles

My Lethal Trifecta talk at the Bay Area AI Security Meetup - 9th August 2025
The surprise deprecation of GPT-4o for ChatGPT consumers - 8th August 2025
GPT-5: Key characteristics, pricing and model card - 7th August 2025

osx 80 pdf 37 pdfshrink 1 speaking 117

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