Building real things, in public
Notes from DEMHA FUTURE — how we build apps fast with AI, and what we learn.
Number to Words — free online converter
Turn any number into words in English, Spanish, French or Russian, free and online, right in your browser with nothing uploaded.
Job Offer Letter Generator — free online
Make a clean, professional job offer letter online for free, right in your browser. Fill in the details and download it — nothing is uploaded.
OG Image Generator — free online
Make the 1200x630 preview image that shows when your link is shared, free and online, right in your browser with nothing uploaded.
OG Image Size Checker — free online tool
Check if your share image is the right Open Graph size, free and online, right in your browser with nothing uploaded.
OG Meta Preview — free online tool
See how your link card will look on Facebook, X and LinkedIn before you share it. Free and online, right in your browser, nothing uploaded.
On-Page SEO Checker — free online tool
Check how well your draft is optimised for a keyword — free and online, right in your browser, nothing uploaded.
Online Notepad — free, no sign-up
A free online notepad that autosaves as you type, right in your browser. Nothing is uploaded, and there's no sign-up to start writing.
Open Graph Tag Generator — free online
Make Open Graph and Twitter Card meta tags free and online, right in your browser. Nothing is uploaded, and you copy the ready code in seconds.
Org Chart Maker — free online tool
Build a clean org chart in your browser. Add people, set who reports to whom, then export as PNG or print to PDF. Free and online, nothing uploaded.
Organization Schema Generator — free online
Make an Organization JSON-LD block for your site's head. Free and online, right in your browser, nothing uploaded.
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