All Free Tools Directory

Browse over 500 online calculators, converters, and utilities

All Calculators Finance & Money Math & Algebra Health & Fitness Date & Time Age & Birthday Converters Percentage Tools Business & Sales Text Tools Writing & Content Developer Tools Web & Internet SEO & Marketing Image Tools PDF Utilities File Tools Security & Privacy Password Tools Color Tools CSS Generators HTML Tools JSON Tools XML Tools CSV Tools Unit Converters Time Zone Tools Education & Learning Student Tools Random Generators Generators Productivity Tools Social Media Tools Marketing Tools YouTube Tools Image & Graphic Tools Data & Statistics Network & IP Tools Encoding Tools Decoding Tools Utility & Everyday Audio & Media
A

Age Calculator

Calculate your exact age in years, months, days, hours, and minutes with leap year precision and birthday countdown.
P

PDF to Text Extractor Tool

Use our free online PDF to Text Extractor Tool for quick calculations, verifiable formulas, and complete data privacy.
C

Chronological Age Calculator

Standard clinical and educational chronological age calculation in years, months, and days.
K

Korean Age Calculator

Calculate traditional Korean age, counting age, and modern international age.
D

Dog Age Calculator

Convert dog age to human years considering small, medium, large, and giant breed weight categories.
P

Pet Age Calculator

Convert age of horses, rabbits, birds, hamsters, and guinea pigs into human equivalent years.
J

JSON Formatter & Beautifier

Format, indent, validate, and beautify messy JSON strings with 2 or 4 space indentation.
C

Color Picker & Palette Generator

Interactive color wheel and picker with HEX, RGB, HSL, and CMYK live values.
C

Customer Lifetime Value (LTV)

Free online Customer Lifetime Value (LTV) providing instantaneous results, detailed explanations, and zero installation.
B

Birthday Calculator

Find out what day of the week you were born on, your exact days alive, and milestone birthdays.
B

Birthday Countdown

Live countdown timer showing days, hours, minutes, and seconds until your upcoming birthday.
L

Leap Year Birthday Calculator

Calculate official and actual birthdays for people born on February 29.
C

Cat Age Calculator

Convert cat age into equivalent human years across kitten, junior, adult, mature, and senior stages.
H

Half Birthday Calculator

Find the exact 6-month half birthday date from your birthday.
Z

Zodiac Sign Calculator

Discover your Western zodiac sun sign, element, ruling planet, and date span.
C

Chinese Zodiac Calculator

Find your Chinese zodiac animal sign, element, and lucky traits from your birth year.
L

Life Expectancy Estimator

Estimate statistical life expectancy based on age, gender, exercise, and lifestyle factors.
D

Days Alive Calculator

Find out exactly how many days, hours, minutes, heartbeats, and breaths you have experienced.
G

Generation Calculator

Find out your demographic generation (Gen Alpha, Gen Z, Millennial, Gen X, Baby Boomer).
D

Date Difference Calculator

Calculate the exact difference between two dates in years, months, weeks, days, hours, and minutes.
D

Date Calculator

Add or subtract days, weeks, months, or years from any given date.
H

Hours Calculator

Calculate total working hours, elapsed time, and pay with meal break deductions.
M

Minutes Calculator

Convert and calculate total minutes, elapsed minutes, and breakdown into hours and days.
S

Seconds Calculator

Convert seconds into days, hours, minutes, and perform second arithmetic.