Data & Code
10 toolsMaster JSON, encoding, hashing, and data formats — learn the concepts that developers use every day.
JSON Formatter
Validate & beautify JSON
Base64 Encoder
Encode & decode Base64
Encoding
URL & HTML encoding
Hash Generator
MD5, SHA-1, SHA-256
JWT Decoder
Decode JWT tokens
UUID Generator
Generate unique IDs
Regex Tester
Test regex patterns
Radix
Convert number bases
HTML Entities
Encode & decode entities
Punycode
IDN to Punycode