Developer
JSON, encoding, hashes, and tokens — decoded on this device.
Developer
JSON Formatter
Pretty-print or minify JSON in your browser.
Developer
JSON Validator
Check whether JSON is valid without sending it anywhere.
Developer
JSON Minifier
Remove whitespace from JSON in your browser.
Developer
Base64 Encoder / Decoder
Encode or decode Base64 text with UTF-8 support.
Developer
URL Encoder / Decoder
Percent-encode or decode URL components in your browser.
Developer
UUID Generator
Generate RFC 4122 version 4 UUIDs in your browser.
Developer
JWT Decoder
Decode a JWT header and payload locally. Signature is not verified.
Developer
Hash Generator
Create SHA hashes locally with the Web Crypto API.
Developer
Timestamp Converter
Convert Unix time and ISO dates locally.
Developer
Regex Tester
Test a regular expression against text in your browser.