Building real things, in public
Notes from DEMHA FUTURE — how we build apps fast with AI, and what we learn.
Bulk QR Code Generator — free online
Turn a list of links or text into many QR codes at once, free and online, right in your browser with nothing uploaded.
Bulk SKU Generator — free online tool
Build every SKU from your sizes, colors and other variants and export the list. Free, online, right in your browser with nothing uploaded.
Bundle Price Calculator — free online
Add your bundle items, set the bundle price, and see the discount in dollars and percent. Free and online, right in your browser, nothing uploaded.
Burn Rate & Runway Calculator — free online
Work out your monthly burn and how many months of cash you have left, free and online, right in your browser with nothing uploaded.
Business Card Maker — free online tool
Make a business card free and online: type your details, pick a color, see a live preview, and save a PNG or PDF right in your browser, nothing uploaded.
Business Days Calculator — free online
Count working days between two dates or add business days to a date, free and online, right in your browser with nothing uploaded.
CAGR Calculator — free online tool
Work out compound annual growth rate, total growth and how many times your money grew — free and online, right in your browser, nothing uploaded.
Calorie & TDEE Calculator — free online
Work out your daily calories and macros free and online, right in your browser. Nothing is uploaded, the numbers stay with you.
Campaign Slug Builder — free online tool
Turn a campaign name into a clean, lowercase URL slug online, free and right in your browser. Add a prefix or suffix and copy the full path, nothing uploaded.
Canada GST/HST Calculator — free online
Add or remove Canadian sales tax in CAD with the right rate for each province, free and online, right in your browser with nothing uploaded.
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