Building real things, in public
Notes from DEMHA FUTURE — how we build apps fast with AI, and what we learn.
List Transpose — free online tool
Turn a vertical list into a row, or swap rows and columns, free and online right in your browser with nothing uploaded.
Character Limit Checker for Listings — free online
Paste your listing and see how it fits each platform's character limits, free and online, right in your browser with nothing uploaded.
Loan Agreement Generator — free online
Make a clear personal or business loan agreement online for free, right in your browser. Fill in the details and nothing is uploaded.
Loan Calculator — free online tool
Work out your monthly loan or mortgage payment, total cost and interest. Free and online, right in your browser, with nothing uploaded.
Local Business Schema Generator — free online
Build valid LocalBusiness JSON-LD for your site, free and online. Fill in your details and copy the script right in your browser, nothing uploaded.
Logo Resizer — free online tool
Resize a logo to the sizes you need and download clean transparent PNGs, free and online — right in your browser, nothing uploaded.
Lorem Ipsum Generator — free online
Make placeholder text in seconds — paragraphs, sentences or words — free and online, right in your browser, with nothing uploaded.
LTV:CAC Calculator — free online
Work out customer lifetime value, your LTV:CAC ratio and CAC payback in months, free and online, right in your browser with nothing uploaded.
LTV Calculator — free online tool
Work out what a customer is worth over time, free and online, right in your browser with nothing uploaded.
Mail Merge for Letters — free online tool
Turn a CSV list into personalized letters online, free and right in your browser. Write one template, fill in each name, nothing uploaded.
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