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.
W

Word Counter & Text Analyzer

Count words, characters (with/without spaces), sentences, paragraphs, reading time, and speaking time in real-time.
L

Lottery Lucky Number Generator

Free online Lottery Lucky Number Generator providing instantaneous results, detailed explanations, and zero installation.
B

Base64 Data URI to Downloadable Image

Use our free online Base64 Data URI to Downloadable Image for quick calculations, verifiable formulas, and complete data privacy.
P

PDF to Text Extractor Tool

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

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.
C

Chinese Zodiac Calculator

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

Generation Calculator

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

Time Calculator

Add or subtract time expressions (hours, minutes, seconds) with instant result.
W

Working Days Calculator

Calculate exact business days and working hours between two dates, excluding weekends.
D

Day of the Week Calculator

Determine which day of the week any past or future historical date falls on.
R

Rule of 72 Calculator

Quickly determine how many years it will take to double your investment at a fixed rate.
H

HTML Entity Encoder

Convert special characters (&, <, >, ", ') into safe HTML entities.
J

JSON Formatter & Beautifier

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

UTM Campaign URL Builder

Create trackable Google Analytics UTM URLs with campaign source, medium, campaign name, term, and content.
H

Hash Generator (MD5, SHA-1, SHA-256, SHA-512)

Generate cryptographic hashes (MD5, SHA-1, SHA-256, SHA-512) for any text in real-time.
C

Color Picker & Palette Generator

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

IPv4 Subnet Calculator (CIDR)

Calculate network address, broadcast address, subnet mask, and usable host IP ranges.
C

Credit Card Payoff Calculator

Free online Credit Card Payoff Calculator providing instantaneous results, detailed explanations, and zero installation.