productivity

Calculate the exact difference between two dates in years, months, days, total weeks, and hours. Optional end-day inclusion and weekday count.

A configurable Pomodoro productivity timer with work, short break, and long break phases. Progress ring, beep alerts, and round tracking included.

Track daily habits on a monthly grid — mark done/skip/empty, see stats, download printable PDF. Data saved locally in your browser.

Break overwhelming tasks into tiny micro-steps. Progress tracker, time estimates, stuck-button for sub-steps. Free ADHD-friendly productivity tool.

Virtual body doubling for ADHD focus. Set a timer with a named partner, get encouraging messages, and track your focus sessions. Free, private, no sign-up.

Build a personalized dopamine menu with starters, mains, sides, and desserts. Healthier alternatives to doom-scrolling. Free ADHD-friendly tool, private.

Track estimated vs actual task times. Visual bar charts show time blindness patterns with gentle buffer suggestions. Free ADHD-friendly tool, private.

Free online batch file renamer. Rename multiple files at once with sequential numbers, date stamps, or find and replace. Preview new names and download as ZIP. 100% client-side.

Free online Excel and Google Sheets formula debugger. Paste any formula to see its structure, function hierarchy, arguments, cell references, and nested functions in a tree view. Detects mismatched parentheses and unknown functions instantly.