Building real things, in public
Notes from DEMHA FUTURE — how we build apps fast with AI, and what we learn.
Cease & Desist Letter Generator — free online
Write a formal cease and desist letter in minutes, free and online — right in your browser, with nothing uploaded.
Certificate Maker — free online tool
Make a certificate online and free: fill in the details, preview live, then print or save as PDF — right in your browser, nothing uploaded.
CES Calculator — free online tool
Turn your survey ratings into a Customer Effort Score for free online, right in your browser with nothing uploaded.
Change Calculator — free online tool
Work out the change due and the exact bills and coins to hand back, free and online, right in your browser with nothing uploaded.
Chart Maker from Data — free online
Turn CSV rows or multi-series data into a clean chart and save it as a PNG, free and online — right in your browser, nothing uploaded.
Checklist Maker — free online tool
Make a checklist online for free: type your items, tick them off, then print or save as PDF. Runs right in your browser, nothing uploaded.
Churn Rate Calculator — free online
Work out your customer churn rate, retention rate and net change online, right in your browser. Nothing is uploaded.
Legal Clause Library — free online
Browse 30+ standard contract clauses and copy any one with a click — free, online, and right in your browser with nothing uploaded.
Code Screenshot Maker — free online tool
Turn code into a clean, syntax-highlighted image right in your browser. Pick a theme and gradient, then save — free, online, nothing uploaded.
Cold Email Length Checker — free online
Check your cold email's word count, character count, and read time online, right in your browser. Nothing is uploaded, and it's free.
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