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Formatters
Text Tools
Converters
Number Base Converter
Convert between binary, octal, decimal, hex
JSON ↔ CSV Converter
Convert JSON arrays to/from CSV
HTML Entity Encoder / Decoder
Encode and decode HTML entities
Unix Chmod Calculator
Calculate file permissions rwx ↔ numeric
Timestamp Converter
Unix ↔ date/time converter
CSS Unit Converter
px, rem, em, vw, vh converter
Encoders
Generators
UUID Generator
Generate v4 UUIDs
Password Generator
Generate secure passwords
Color Converter
Convert HEX, RGB, HSL colors
Cron Parser
Parse cron expressions & preview next runs
QR Code Generator
Generate QR codes from text or URLs
Lorem Ipsum Generator
Generate placeholder text
Mock Data Generator
Generate realistic fake JSON test data