Building real things, in public
Notes from DEMHA FUTURE — how we build apps fast with AI, and what we learn.
Overtime Pay Calculator — free online
Work out your total, regular and overtime pay (time and a half) for free online, right in your browser. Nothing is uploaded.
Running Pace Calculator — free online
Work out your running pace, time or distance and see your splits, free and online, right in your browser with nothing uploaded.
Packing List Generator — free online tool
Make a clean delivery note as a PDF, free and online, right in your browser with nothing uploaded.
Color Palette from Image — free online tool
Pull a clean colour palette out of any photo or logo, free and online, right in your browser with nothing uploaded.
Partnership Agreement Generator — free online
Make a full business partnership agreement online for free, right in your browser, with nothing uploaded.
Passport Photo Maker — free online tool
Make a passport or ID photo online for free, right in your browser. Nothing is uploaded, your picture never leaves your device.
Password Generator — free online tool
Make a strong, random password free and online, right in your browser. Nothing is uploaded, with a length slider and a strength meter.
Payback Period Calculator — free online
See how long an investment takes to pay back, with even or uneven cash flows — free and online, right in your browser, nothing uploaded.
Payment Due Date Calculator — free online
Work out an invoice due date from Net 30/60, EOM or custom terms, free and online, right in your browser with nothing uploaded.
Payment Fee Calculator — free online
Work out card processing fees and the gross to charge, free and online, right in your browser with nothing uploaded.
Get new posts
Soon you'll be able to drop your email and get new posts — no account, no spam.
Email sign-up isn't live yet — nothing is collected for now.