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Developer Essentials

JSON, JWT, Base64, URL, UUID and regex tools for daily coding.

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JSON Formatter

Format, beautify and validate JSON instantly.

JSONDeveloperFormatter

JWT Decoder

Decode JWT header and payload without sending data to a server.

JWTTokenSecurity

Base64 Encoder Decoder

Encode or decode Base64 text safely in your browser.

Base64EncodeDecode

Regex Tester

Test regular expressions against sample text instantly.