Free Online Tools
A collection of free utilities for encoding, converting, formatting, and more. All processing happens in your browser.
Text Tools
Case Converter
Convert text between different cases
Text Diff
Compare two texts and see differences
Word Count
Count words, characters, and lines
Regex Tester
Test regular expressions with highlighting
Lorem Ipsum
Generate placeholder text
Word Frequency
Analyze word and character frequency
Duplicate Remover
Remove duplicate lines from text
String Sorter
Sort lines alphabetically or numerically
Palindrome Checker
Check if text is a palindrome
Encoding & Decoding
Base64
Encode and decode Base64 strings
URL Encode
Encode and decode URL strings
HTML Entities
Encode and decode HTML entities
Unicode Escape
Escape and unescape Unicode characters
JWT Decoder
Decode and inspect JWT tokens
String Escape
Escape and unescape strings for various languages
Binary Converter
Convert text to binary, hex, or octal
Morse Code
Convert between text and Morse code
Number Base
Convert numbers between bases (2-36)
Data Formats
Generators
Converters
Date & Time
Crypto & Security
Hash Generator
Generate MD5, SHA-1, SHA-256, SHA-512 hashes
UUID Generator
Generate random UUID v4 identifiers
Random String
Generate random strings with custom options
HMAC Generator
Generate HMAC authentication codes
API Key Generator
Generate secure API keys
Salt Generator
Generate cryptographic salts
TOTP Generator
Generate 2FA codes (TOTP)
CRC32 Checksum
Calculate CRC32 checksums