Building real things, in public
Notes from DEMHA FUTURE — how we build apps fast with AI, and what we learn.
Video Cover Maker — free online thumbnail tool
Make a clean cover for Reels, Shorts or TikTok free and online, right in your browser. Add a background and bold text, nothing uploaded.
Video Schema Generator — free online
Make a VideoObject JSON-LD snippet for your page, free and online, right in your browser with nothing uploaded.
Volumetric Weight Calculator — free online
Work out the dimensional weight and CBM for air, sea, or courier shipments online, free and right in your browser with nothing uploaded.
Volunteer & Internship Agreement — free online
Make a clear volunteer or unpaid internship agreement online, free, right in your browser. Fill the details and download. Nothing is uploaded.
Watermark PDF — add text online, free
Add a text watermark to every page of a PDF online — free and right in your browser, with nothing uploaded. Set the color, opacity and angle, then download.
Add Watermark to Photo — free online
Stamp a text or logo watermark on your photos free and online, right in your browser — batch, set the position and opacity, nothing uploaded.
Search Box Schema Generator — free online
Make the WebSite JSON-LD with a SearchAction so Google can show a search box for your site. Free, online, right in your browser, nothing uploaded.
Weekly Planner — free online, printable
Plan your whole week and print it or save a PDF, free and online, right in your browser with nothing uploaded.
White Background Product Photo — free online
Remove the background from a product photo and download a clean white PNG, free and online. It all happens right in your browser, nothing uploaded.
Withholding Tax Calculator — free online
Work out the net payment after withholding from a gross amount and your retention rate, 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.