DevUtility

Developer tools that just work.

Format JSON, decode JWTs, encode Base64, generate UUIDs, and convert timestamps — instantly, in your browser, with nothing sent to a server.

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JSON Formatter

Input

{"user":"jane","roles":["admin","dev"],"active":true}

Formatted instantly

Output

{
  "user": "jane",
  "roles": ["admin", "dev"],
  "active": true
}

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JSON Formatter & Validator

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Security

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Decode JWT headers and payloads without sending your token to a server.

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Encoding

Base64 Encoder / Decoder

Encode and decode Base64 text with full UTF-8 support.

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Generators

UUID Generator

Generate secure random UUID v4 identifiers instantly.

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Converters

Unix Timestamp Converter

Convert Unix timestamps and dates between readable and Unix formats.

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