Developer tools that
don't get in your way

Fast, minimal, beautifully designed tools for developers. Everything runs in your browser — your data never leaves your machine.

{ }

Format, validate, and minify JSON with plain-English error explanations.

validatebeautifyminify

Decode JWT tokens instantly. See header, payload, expiry, and colour-coded token parts.

Compare two JSON objects side-by-side. Normalises and highlights every change.

comparediffchanges

Convert between YAML and JSON instantly. Swap directions with one click.

convertyamljson

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