Building real things, in public
Notes from DEMHA FUTURE — how we build apps fast with AI, and what we learn.
Cron Expression Explainer — free online
Paste a cron line and read it in plain English, with the next run times. Free and online, right in your browser, nothing uploaded.
Cron Format Converter — free online tool
Convert a schedule between crontab, Quartz and systemd OnCalendar online, free, right in your browser with nothing uploaded — plus a plain-English read-out.
Crontab Generator — free online cron tool
Build a cron schedule and read it in plain English, free and online, right in your browser with nothing uploaded.
Crop a photo online — free, in your browser
Crop any photo to a size, a ratio, or a circle online and free — right in your browser, nothing uploaded. Download as PNG or JPG.
CSAT Score Calculator — free online
Turn your satisfaction survey ratings into a clear CSAT score, free and online, right in your browser with nothing uploaded.
CSS Animation Generator — free online
Make CSS keyframe animations by picking a preset and tuning it, right in your browser. Free and online, nothing uploaded.
CSS Box Shadow Generator — free online
Build CSS box-shadows by dragging sliders and copy the code. Free and online, right in your browser, with nothing uploaded.
CSS Button Generator — free online tool
Design a button by eye and grab clean HTML + CSS in one click, free and online, right in your browser with nothing uploaded.
CSS Color Converter — free online tool
Turn any color into HEX, RGB, HSL, HWB or OKLCH and see the nearest named color, free and online — right in your browser, nothing uploaded.
CSS Gradient Generator — free online tool
Build a CSS gradient by eye and copy the code, free and online, right in your browser with nothing uploaded.
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