Category hub
Productivity Tools
Use fast productivity tools for focus timers, work-session planning, text cleanup, prioritization, and personal execution workflows.
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22 toolsBrowse the full category directory with consistent tool cards and clear descriptions.
Age Calculator: Years, Months and Days
Calculate exact age from a birth date, review years, months, days, and total days lived, and see the next birthday countdown in one step.
Text Transformation Tool
Convert casing, build slugs, and clean copied text with regex and line tools.
Time Zone Converter
Compare the same instant across major IANA time zones, check UTC offsets, and catch DST or day-shift issues before you send invites.
Case Converter
Convert text between everyday writing styles and developer naming formats in one live browser-based editor.
Countdown Timer
Set a target date and time, label the milestone, and watch a live browser-based countdown update in real time.
Date & Workday Calculator
Compare date spans or shift a deadline by calendar days and workdays with optional holiday exclusions in one browser-based tool.
Date Difference Calculator
Measure the gap between two dates, check the signed difference, and compare calendar days with workday context.
Days Between Dates Calculator
Compare two dates and get the exact day span, inclusive counting option, and a weekday versus weekend breakdown in one view.
Deadline Back Planner
Back-plan start date and milestones from a fixed deadline, workload, and daily capacity.
Focus Timer Planner
Plan focused work cycles and break structure in seconds.
Habit Streak Tracker
Analyze completion logs for current streak, longest streak, and recent consistency metrics.
Meeting Overlap Calculator
Find shared availability across two time zones, compare local work windows, and surface practical meeting slots.
Password Generator: Custom Rules and Strength
Generate strong browser-based passwords with custom length, character rules, exclusion filters, and a quick strength estimate before you copy.
Pomodoro Timer
Set work and break intervals, then run a local Pomodoro timer that tracks focus blocks and upcoming breaks.
Priority Matrix Planner
Classify tasks into urgency-impact quadrants and rank execution order with weighted scoring.
Random Name Picker
Pick one or several names from a pasted list, optionally remove winners, and keep the whole draw private in your browser.
Random Number Generator
Generate one or many random values inside a custom range, choose unique mode, and switch between integers and decimals in seconds.
Text Word Counter
Measure word count, character count, sentence count, reading time, and repeated terms in one live browser-based text check.
Time Duration Calculator
Measure elapsed time between two points, handle overnight ranges, and see gross and net duration at once.
Week Number Calculator
Find the week number for any date and compare ISO and US week systems without doing calendar math by hand.
Work Session Utility Planner
Break a work block into realistic focus sessions and breaks.
Working Days Calculator
Measure business days between dates, remove weekends and holidays, and turn the result into practical working-hour estimates.