🔧 Utility Tools
Everyday tools for quick conversions and calculations. Convert units and currencies, calculate your age or GPA, test your typing speed, set timers, check world clocks, compute molecular weights, and more. Simple, fast, and always free.
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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.