Category
Code, starters, and licensed libraries with instant license keys.
Know whether the difference between two variants is real.
Line up everyone's local time and see the working-hours overlap.
A color palette, contrast checker, and gradient builder for designers.
A Pomodoro timer that logs every focus session you finish.
Track weight and measurements with a trend line and 7-day average.
A training log that totals volume and tracks every personal best.
Estimate your 1RM from a set you actually did - plus your training percentages.
Your BMR, TDEE, calories, and macros - with every step of the math shown.
Find the exact unit count where a product starts making money.
Race avalanche vs snowball and see which clears your debt faster.
Project your savings with recurring contributions and compounding.
See any loan's real cost with a full month-by-month amortization schedule.
A subscription tracker that shows the true cost of your stack.
Set goals, log contributions, see exactly what it takes to hit them.
Plan the week and watch the shopping list build itself.
A personal budget & expense tracker in one private HTML file.
Plan a whole month of content at a glance - idea to posted.
See exactly what any LLM API costs - per request, day, month, and year.
A freelance rate calculator that shows its work - defend your rate in any client call.
A habit tracker with streaks and a GitHub-style year heatmap - in one HTML file.
A complete invoice generator in one HTML file. No account, no subscription.
