CATEGORY10 tools
Productivity
Focused helpers for planning and everyday productivity.
AvailableLocal
Bulk File Renamer
Rename many files at once with a pattern, then download them as a .zip.
AvailableLocalHabit Streak Calculator
Calculate current streak, longest streak, and completion rate.
AvailableLocalInvoice Due Date Calculator
Calculate invoice due and reminder dates.
AvailableLocalInvoice Number Generator
Generate padded invoice, quote, or order numbers.
AvailableLocalPacking List Generator
Create a starter packing list for a trip.
PopularAvailableLocalPomodoro Timer
Stay focused with configurable work and break intervals.
AvailableLocalRandom Picker & Number Generator
Pick, shuffle, or generate random numbers locally.
AvailableLocalStopwatch
A simple and precise online stopwatch.
AvailableLocalStudy Session Planner
Turn available time into study blocks and breaks.
AvailableLocalTime Zone Converter
Convert a date and time across multiple time zones.