Thinking Systems Playground
Digital tools, experiments, and small applications built alongside Thinking Systems client and product work.
This is a companion space to the main Thinking Systems website. It brings together practical browser-based utilities, prototypes, and interactive experiments in one place.
Applications
PDF Optimiser
Compress PDFs privately on your device, compare pages, and remove document metadata.
Image Optimiser
Crop, resize, and optimise images locally. Export JPEG, PNG, or WebP.
Percentage Calculator
Quick percentage, ratio, and increase or decrease calculations.
Word Counter
Word count, reading time, keyword density, and readability metrics.
Readability Calculator
A focused Gunning Fog calculator for checking the complexity of text.
Weather Lookup
Current weather with simple clothing guidance via a server-side proxy.
Zuzu Booker
Date-based booking calculator with public holiday pricing.
Prompt Examples
A browsable prompt library of examples and categories.
Recycle
A standalone project in the broader collection of tests and ideas.
Jokes
A small browser-based joke generator experiment.