A growing collection of completely FREE, no-sign-up tools — built to be genuinely useful.
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120+ software development acronyms explained in plain English — from HTTP and TLS to LLM and SOLID. Searchable, filterable, and fast.
ColumnSift cleans and reconciles messy spreadsheet data — fix misspellings, format numbers and dates, and tidy values — all entirely in your browser.
A gentle marketing companion for solo business owners.
Additional tools are in the works. Check back soon.
I've been writing code for over 40 years. Along the way I've built dozens of small utilities, reference guides, and calculators that solve specific problems — usually ones I kept running into myself.
This section collects the ones worth sharing. Everything here is free to use, requires no account, and is built as a single file — meaning it will keep working regardless of what happens to third-party services.
If you're a developer or business owner and something here saves you five minutes, that's the point.
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