Free Online Tools
Free online tools for developers and everyday tasks. JSON formatter, Base64 encoder, password generator, and more. No signup required.
Popular Tools
Base64 Encoder/Decoder
Online Base64 encode and decode tool, supports text and files
URL Encoder/Decoder
Online URL encoding and decoding tool (percent-encoding)
JSON Formatter
Online JSON formatter, validator and beautifier
Hash Calculator
Calculate MD5, SHA1, SHA256 and other hash values from text
Password Generator
Generate secure random passwords with customizable length and character types
QR Code Generator
Generate QR codes online for text, URLs and more
Regex Tester
Test regular expressions online with real-time matching results
Timestamp Converter
Convert between Unix timestamps and human-readable date/time formats
Text Diff
Compare two texts and highlight the differences between them
Color Converter
Convert between HEX, RGB, HSL and other color formats