THE MODERN DEVELOPER TOOLBOX

Build faster withtools that just work.

Format, validate, convert and inspect development data without leaving your browser.

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Try searching for JSON, JWT, API or UUID.

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Start with the essentials

Quick access to the developer utilities used most often.

JSON

Format, validate and beautify JSON instantly.

Security

Decode JWT headers, payloads and expiration data.

API

Explore and inspect OpenAPI specifications.

Development

Test regular expressions against sample text.

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