Building real things, in public
Notes from DEMHA FUTURE — how we build apps fast with AI, and what we learn.
AI Email & Letter Writer — online
Write an email, reply, cover letter or note with AI online — pick your language and tone, get a ready draft you can copy and send.
Emergency Fund Calculator — free online
Work out how big your emergency fund should be and how much is left to save, free and right in your browser, nothing uploaded.
Emoji Picker — free online, copy any emoji
Search or browse emojis and copy any one with a tap — free and online, right in your browser, nothing uploaded.
Employment Contract Generator — free online
Make a clear employment contract online for free, right in your browser. Fill in the details, get a ready agreement, nothing uploaded.
ENV Converter — free online tool
Convert config between .env, JSON, YAML and shell export online, free — right in your browser, nothing uploaded.
Envelope Address Printer — free online
Print a neatly positioned envelope with your return and recipient address, free and online, right in your browser with nothing uploaded.
EOQ Calculator — free online order quantity tool
Find the order quantity that keeps your stock costs lowest. Free and online, right in your browser, with nothing uploaded.
Etsy Tag & Title Counter — free online
Check your Etsy title and tags against the limits free and online, right in your browser. Nothing is uploaded.
Etsy Fee Calculator — free online
Work out every Etsy fee and your real profit for free, right in your browser. Nothing is uploaded, your numbers stay with you.
EULA Generator — free online tool
Create a full End-User License Agreement for your app or website online, free and right in your browser, with nothing uploaded.
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