No login. No data stored. Just fast, reliable calculators and converters.
Split bills and calculate tips
Estimate monthly payments
Monthly payments for any loan
How long to reach your goal
Watch money grow over time
Find the sale price instantly
Add tax to any price
Annual from hourly wage
50/30/20 budget split
Return on any investment
Major world currencies
Purchasing power over time
Project your nest egg
Net take-home pay
Find your debt-free date
Body Mass Index
Daily TDEE needs
Optimal wake times
Healthy weight range
Estimate body fat
Daily hydration needs
Pace and finish time
Protein, carbs, fat targets
Estimated due date
Fertile window estimate
3 essential % calculations
Add, subtract, multiply fractions
Mean, median, mode, sum
Any range, crypto random
Is a number prime?
Greatest common divisor
Simplify any ratio
Powers and roots
Log base 10, ln, any base
Trig, roots, logs
Words, chars, reading time
Twitter & meta limits
UPPER, lower, camelCase
Placeholder text generator
Mirror text or word order
Clean any list instantly
Flesch reading ease
SEO-friendly slugs
Text โ Morse translator
Text โ binary (0s and 1s)
Exact age in years, days
Days between two dates
Countdown to any date
Convert between time zones
Date โ epoch converter
Business days between dates
What week of the year?
Add or subtract durations
Miles, km, feet, meters
kg, lbs, oz, grams, stone
ยฐC, ยฐF, and Kelvin
Liters, gallons, cups
sq ft, acres, hectares
Solve speed, distance, time
Cups, tbsp, tsp, mL
MPG โ L/100km
KB, MB, GB, TB
Strong, secure passwords
Heads or tails
D4 to D100 dice
Random decision spinner
Countdown and stopwatch
Random winner picker
Any URL or text to QR
HEX, RGB, HSL
25-min focus sessions