Developer Tools
Free online tools for developers. All processing happens in your browser - your data never leaves your device.
JSON Formatter
Format, validate & prettify JSON data
UUID Generator
Generate random UUID v4 identifiers
Base64 Encoder
Encode & decode Base64 text strings
URL Encoder
URL-encode & decode special characters
Timestamp Converter
Convert Unix timestamps to readable dates
QR Code Generator
Generate QR codes from any text or URL
Password Generator
Cryptographically secure random passwords
MD5 Hash Generator
Generate MD5 hashes from text or files
SHA Hash Generator
SHA-1, SHA-256, SHA-512 hashing
Code Formatter
Beautify & minify JavaScript, CSS, HTML
CRC Calculator
CRC-8/16/32 checksums, MODBUS, custom params
BCC Calculator
Calculate XOR checksum for serial protocols
LRC Calculator
Calculate LRC checksum (Modbus ASCII)