Free Online Tools
Fast, simple and free tools that work directly inside your browser. No sign-up required.
Calculators
Unit Converter
Convert length, weight, temperature and more.
Open Tool →Percentage Calculator
Calculate percentages, changes and differences quickly.
Open Tool →Age Calculator
Calculate exact age, total days and the next birthday.
Open Tool →BMI Calculator
Calculate BMI using metric or imperial measurements.
Open Tool →Time Calculator
Add, subtract and compare times and durations.
Open Tool →Discount Calculator
Calculate sale price and savings.
Open Tool →Tip Calculator
Calculate a tip, total and split amount.
Open Tool →VAT Calculator
Add or remove VAT from an amount.
Open Tool →Loan Calculator
Estimate monthly loan payments and interest.
Open Tool →Mortgage Calculator
Estimate mortgage principal and interest.
Open Tool →Compound Interest Calculator
Estimate compound growth over time.
Open Tool →GPA Calculator
Calculate weighted GPA from grades and credits.
Open Tool →Color Tools
Converters
Developer Tools
JSON Formatter
Format, validate or minify JSON.
Open Tool →Base64 Encoder and Decoder
Encode or decode Base64 text.
Open Tool →URL Encoder and Decoder
Encode or decode URL components.
Open Tool →HTML Encoder and Decoder
Encode or decode HTML entities.
Open Tool →SHA Hash Generator
Generate SHA-256, SHA-384 or SHA-512 hashes.
Open Tool →Generators
Security
Text Tools
Word Counter
Count words, characters, sentences and reading time.
Open Tool →Text Case Converter
Convert text to uppercase, lowercase and title case.
Open Tool →Remove Duplicate Lines Tool
Remove repeated lines while keeping order.
Open Tool →Text Difference Checker
Compare two texts line by line.
Open Tool →Character Counter
Count characters, words and sentences instantly.
Open Tool →
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