Software / The workbench

Useful tools. Clear systems.

Projects I’ve built for calculations, research, learning, and everyday development. Open a tool, inspect its assumptions, or follow the source.

~/proflead/tools

Browser calculator

Salary After Tax Calculator

Compare estimated take-home pay in 20 countries. Explore the Earth, inspect the breakdown, and follow the calculation assumptions.

Obsidian plugin

Import PDF papers, extract metadata, track reading progress, and connect research notes in an Obsidian vault.

Study tool

160 original questions, focused practice, and two 80-question timed mock exams. Review explanations and keep progress in your browser.

Developer extension

Find and remove hidden Unicode characters in text with Chrome and VS Code extensions.

Chrome extension

Extract Google Search result links and export clean URLs as CSV, Markdown, or plain text.