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Browse our complete collection of 68+ free online tools. Find exactly what you need for your projects.

Popular
Calculators
Basic Calculator
Simple arithmetic calculator for everyday calculations
Popular
Calculators
BMI Calculator
Calculate your Body Mass Index and health status
Calculators
Loan Calculator
Calculate loan payments, interest, and amortization
Calculators
Mortgage Calculator
Calculate mortgage payments and total interest
Calculators
Percentage Calculator
Calculate percentages, increases, and decreases
Calculators
Tip Calculator
Calculate tips and split bills easily
Popular
Converters
Currency Converter
Convert between different currencies with live rates
Converters
Unit Converter
Convert between different units of measurement
Converters
Temperature Converter
Convert between Celsius, Fahrenheit, and Kelvin
Converters
Color Converter
Convert between HEX, RGB, HSL, and other color formats
Converters
File Size Converter
Convert between bytes, KB, MB, GB, and TB
Converters
Binary Converter
Convert between binary, decimal, hexadecimal, and text formats
Converters
Hex Converter
Convert hexadecimal, decimal, binary, and UTF-8 text values
Popular
Text Utilities
Markdown Editor
Write and preview Markdown with live rendering
Popular
Text Utilities
Text Diff Tool
Compare two texts and highlight differences
Text Utilities
URL Encoder/Decoder
Encode and decode URLs with various formats
Text Utilities
HTML Encoder/Decoder
Encode and decode HTML entities safely
Text Utilities
Word Counter
Count words, characters, and paragraphs in text
Text Utilities
Case Converter
Convert text to uppercase, lowercase, title case, etc.
Text Utilities
Lorem Ipsum Generator
Generate placeholder text for design and development
Popular
Developer Tools
JSON Formatter
Format, validate, and beautify JSON data
Popular
Developer Tools
Regex Tester
Test and debug regular expressions
Developer Tools
Base64 Encoder/Decoder
Encode and decode Base64 strings
Developer Tools
Hash Generator (Dev)
Generate MD5, SHA1, SHA256, and other hashes
Text Tools
Password Generator
Generate secure passwords with custom options
Popular
Timestamp Tools
Unix Timestamp Converter
Convert Unix timestamps to human-readable dates
Timestamp Tools
Time Calculator
Calculate differences between dates and times
Timestamp Tools
Timezone Converter
Convert times between different timezones
Timestamp Tools
Date Format
Format dates in various formats
Popular
Image Tools
Image Compressor
Compress images to reduce file size
Image Tools
Image Format Converter
Convert between different image formats
Image Tools
Image Resizer
Resize images to specific dimensions
Image Tools
WebP Converter
Convert images to WebP format for better compression
Popular
PDF Tools
PDF Compressor
Compress PDF files to reduce size
PDF Tools
PDF to Word
Convert PDF files to Word documents
Popular
Web Tools
QR Code Generator
Generate QR codes for URLs, text, and more
Web Tools
URL Shortener
Shorten long URLs for easy sharing
Web Tools
UUID Generator
Generate unique identifiers (UUIDs)
SEO Tools
Meta Tag Generator
Generate HTML meta tags for SEO optimization
SEO Tools
Open Graph Generator
Generate Open Graph meta tags for social media
SEO Tools
Robots.txt Generator
Generate robots.txt files for search engines
SEO Tools
Schema Markup Generator
Generate structured data markup for SEO
SEO Tools
Keyword Density Checker
Analyze keyword density in your content
Data Tools
CSV to JSON Converter
Convert CSV data to JSON format with customizable options
Data Tools
XML Formatter
Format and validate XML documents with syntax highlighting
Data Tools
SQL Formatter
Format and beautify SQL queries with proper indentation
Data Tools
Data Validator
Validate various data formats including JSON, XML, and CSV
Security Tools
Password Strength Checker
Check password strength and get security recommendations
Security Tools
SSL Certificate Checker
Check SSL certificate details and validity
Security Tools
Two-Factor Auth Generator
Generate TOTP codes for two-factor authentication
Security Tools
Hash Generator (Security)
Generate cryptographic hashes for text and files
Security Tools
Password Generator (Security)
Generate high-entropy passwords with cryptographic randomness
Math Tools
Scientific Calculator
Advanced calculator with scientific functions and constants
Math Tools
Equation Solver
Solve linear, quadratic equations and systems with step-by-step solutions
Math Tools
Matrix Calculator
Perform matrix operations including multiplication, determinant, inverse
Math Tools
Statistics Calculator
Calculate descriptive statistics, regression analysis, and confidence intervals
Math Tools
Graphing Calculator
Plot mathematical functions with interactive graphing capabilities
Math Tools
Unit Converter (Math)
Convert between various units including length, weight, temperature, and more
Crypto Tools
Bitcoin Address Validator
Validate Bitcoin addresses and check address format
Crypto Tools
Crypto Price Converter
Convert between cryptocurrencies and fiat currencies with live rates
Network Tools
IP Address Lookup
Get detailed information about IP addresses including geolocation
Network Tools
DNS Lookup
Perform DNS lookups and check various DNS records
Network Tools
Port Scanner
Scan network ports and check port availability
Network Tools
Ping Test
Measure browser-observed HTTP latency to a host or URL
Network Tools
Whois Lookup
Look up structured RDAP registration details for domains
Finance Tools
Compound Interest Calculator
Calculate compound interest with various compounding frequencies
Finance Tools
Investment Return Calculator
Calculate investment returns and analyze portfolio performance
Finance Tools
Currency Converter (Finance)
Convert between different currencies with live exchange rates

Browse by Category

6 tools
Calculators
Mathematical and financial calculators
7 tools
Converters
Unit and format conversion tools
1 tools
Text Tools
Text manipulation and generation
3 tools
Web Tools
Website and development utilities
5 tools
SEO Tools
Search engine optimization tools