SmartTools

Fast, free, and powerful online tools for everyday tasks. No sign-up required.

Age Calculator
Calculate your exact age in years, months, and days
BMI Calculator
Calculate your Body Mass Index and health category
Loan Calculator
Calculate monthly payments and total interest
Discount Calculator
Calculate discounts and final prices
Tip Calculator
Calculate tips and split bills easily
Percentage Calculator
Calculate percentages, increases, and decreases
Fraction Calculator
Add, subtract, multiply, and divide fractions
Mortgage Calculator
Calculate monthly mortgage payments and amortization
Investment Calculator
Calculate investment returns and growth
Compound Interest Calculator
Calculate compound interest and investment growth
Unit Converter
Convert between different units of measurement
Currency Converter
Convert between world currencies with live rates
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin
Binary Converter
Convert between binary, decimal, and hexadecimal
Time Zone Converter
Convert time between different time zones
RGB to HEX Converter
Convert between RGB and HEX color codes
Unix Timestamp Converter
Convert Unix timestamps to dates and vice versa
Base Converter
Convert numbers between any base (2-36)
Image Format Converter
Convert images between different formats
PDF to Image Converter
Convert PDF pages to JPG or PNG images
Base64 Encoder/Decoder
Encode and decode Base64 strings
URL Encoder/Decoder
Encode and decode URL strings
CSV to JSON Converter
Convert CSV data to JSON format
Password Generator
Generate secure random passwords
Lorem Ipsum Generator
Generate placeholder text for designs
Random Number Generator
Generate random numbers in any range
Color Picker
Pick colors and get HEX, RGB, HSL values
UUID Generator
Generate unique identifiers (UUIDs)
Hash Generator
Generate MD5, SHA-1, SHA-256 hashes
QR Code Generator
Generate QR codes for URLs, text, and more
Barcode Generator
Generate barcodes in multiple formats
Meta Tag Generator
Generate SEO meta tags for websites
Word Counter
Count words, characters, and sentences
Text Case Converter
Convert text to uppercase, lowercase, or title case
Text Cleaner
Remove extra spaces and clean up text
JSON Formatter
Format and validate JSON data
Markdown to HTML
Convert Markdown to HTML
Text Diff Checker
Compare two texts and find differences
Duplicate Line Remover
Remove duplicate lines from text
Text Reverser
Reverse text, words, or letters
Morse Code Translator
Convert text to Morse code and vice versa
Character Frequency Counter
Count character frequency in text
HTML Encoder/Decoder
Encode and decode HTML entities
CSS Minifier
Minify and compress CSS code
SQL Formatter
Format and beautify SQL queries
ROT13 Cipher
Encode and decode ROT13 cipher
Caesar Cipher
Encode and decode Caesar cipher with custom shift
JWT Decoder
Decode and verify JSON Web Tokens
Keyword Density Checker
Analyze keyword density in text
Stopwatch
Precise stopwatch with lap times
Countdown Timer
Set countdown timers with alerts
Pomodoro Timer
Productivity timer with work/break intervals
Image Compressor
Compress images to reduce file size
Image Resizer
Resize images to custom dimensions
PDF Merger
Merge multiple PDF files into one
PDF Splitter
Split PDF into separate pages or ranges
Date Calculator
Calculate date differences and add/subtract days
Business Days Calculator
Calculate business days between dates
World Clock
View current time in multiple time zones

Lightning Fast

All tools run instantly in your browser. No server delays.

Privacy First

Your data never leaves your device. 100% private.

Always Free

No subscriptions, no hidden fees. Free forever.