My wife hit a wall trying to upload a hefty PDF - every “shrink” tool we tried barely compressed the size, and some even made it larger! Frustrated by the state of PDF compressors (looking at you, Adobe), I turned to LLMs - Claude, Deepseek, and Gemini came up short, but OpenAI’s o4-mini saved the day with a perfect solution.
That inspired me to build pdfmini: a tiny, open‑source, client‑side HTML app that crushes PDF sizes right in your browser!!!
No installs, no fees, zero privacy worries - all your data stays on your machine.
Try pdfmini now:
https://den-run-ai.github.io/pdfmini/
Source code for pdfmini:
https://github.com/den-run-ai/pdfmini