Building real things, in public
Notes from DEMHA FUTURE — how we build apps fast with AI, and what we learn.
Gradient Text Generator — free online tool
Make text fade from one color to another and copy the ready CSS — free, online, and right in your browser with nothing uploaded.
Gross Profit Calculator — free online
Work out gross profit, margin % and markup % from your revenue and costs, free and online, right in your browser with nothing uploaded.
Gross to Net Calculator — free online
Turn gross pay into take-home net, or net back to gross, free and online — right in your browser, with nothing uploaded.
GST Calculator — free online tool
Add or remove GST at any rate with country presets, right in your browser. Free online, nothing uploaded.
Habit Tracker — free online tool
Track your daily habits for the whole month and print or save as PDF, free and online, right in your browser with nothing uploaded.
Hash Generator — free online MD5 & SHA
Make MD5, SHA-1, SHA-256 and SHA-512 hashes from any text, free and online, right in your browser with nothing uploaded.
Hashtag Counter — free online caption checker
Count your hashtags, mentions, emojis and characters before you post — free, online, right in your browser with nothing uploaded.
Hashtag Cleaner — free online tool
Paste a messy pile of hashtags and get a clean, deduplicated set you can copy. Free and online, right in your browser, nothing uploaded.
AI Hashtag Generator — online for any platform
Get the right hashtags for Instagram, TikTok or YouTube in seconds. AI-powered and online — paste your topic and copy a ready set.
Heading Structure Checker — free online
Paste your HTML and see the heading tree, with skipped levels and extra H1s flagged — free online, right in your browser, nothing uploaded.
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