Utility Tools
Units, currency, age, D-day, GPA, timers, typing tests, character counts, world clock, and small everyday converters.
Age Calculator
Free Age Calculator — find your exact age in years, months, and days from your birth date. See days until next birthday.
Character Counter
Free Character Counter — count characters, words, sentences, and paragraphs in your text. Track limits for SEO and social.
Currency Converter
Free Currency Converter — convert between 12 major currencies with approximate reference rates for quick estimation.
D-Day Calculator
Free D-Day Calculator — count days between dates or until an event. Track deadlines, countdowns, and date differences.
Random Picker
Free Random Picker — randomly select one item from a list. Fair and unbiased random selection for decisions and giveaways.
Timer & Stopwatch
Free Timer & Stopwatch — set countdown timers or track elapsed time with lap splits. Simple and precise time tracking.
Typing Test
Free Typing Test — measure your typing speed and accuracy in WPM. Take a quick 60-second test and see your results.
Unit Converter
Free Unit Converter — convert length, weight, volume, temperature, and more. Supports metric, imperial, and SI units.
World Clock
Free World Clock — view current time in multiple cities and time zones. Compare times across the globe at a glance.
Multiplication Table
Free Multiplication Table — view and study times tables from 1 to 20. Interactive grid for learning and quick reference.
Molecular Weight Calculator
Free Molecular Weight Calculator — compute molar mass from chemical formulas. Supports elements and compound formulas.
GPA Calculator
Free GPA Calculator — compute your grade point average from course grades and credits on a standard 4.0 scale.
GPA Converter
Free GPA Converter — convert between US 4.0 GPA, percentage, and letter grade scales. Quick and accurate grade conversion.
Area & Perimeter Calculator
Free Area & Perimeter Calculator — compute area and perimeter for circles, triangles, rectangles, and more shapes.
Blood Type Compatibility
Free Blood Type Compatibility Tool — check donation and transfusion compatibility tables. See the full compatibility matrix.
Vocabulary Quiz
Free Vocabulary Quiz — test and expand your English vocabulary with multiple-choice questions. See your score instantly.