Browser-based utilities — nothing uploaded, nothing tracked, everything runs locally.
Featured
Estimate how much VRAM you need for a given model and context window — useful for local Ollama/llama.cpp setups.
Convert an Excel or CSV file to INSERT statements for SQL Server, PostgreSQL, and more.
A different angle on when to take Social Security — take it early, invest it, and model the outcomes.
Save, load, and manage multiple notes — all stored in your browser's local storage.
Fully browser-contained BI tool for working with Excel and CSV data. Powered by DuckDB — no server, no upload.
Utilities
Simple Mermaid implementation for generating system diagrams. SVG output works great.
Common data manipulation tasks: SQL IN clauses, delimited transforms, case conversion, and more.
Pick colors and get HEX, RGB, and HSL values — handy for dashboard and visualization design.
Quickly resize an image in the browser. Nothing uploaded anywhere.
Test a self-contained single HTML file — stored in browser storage, never uploaded.
Simple client-side encryption. All processing happens locally — nothing leaves your browser.
PWA — install it on your phone as a home screen app. Beta experiment.
Local trail conditions with dynamic rainfall data. Built for Austin-area mountain biking.
Sometimes you just need a stopwatch.
A stopwatch, in reverse. Supports multiple concurrent timers.
Current time across the top 400 global cities — searchable and sortable.