Developer utilities

Local dev tools

Format, convert, and inspect data in the browser. No upload, no account — built for agent and API workflows.

Runs locally · nothing leaves your browser

Format

JSON Formatter

Pretty-print, minify, validate, and diff JSON. Paste API responses or tool-call payloads.

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Decode

JWT Decoder

Inspect header and payload from a JSON Web Token. Decode only — no signature verification.

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Convert

JSON ↔ YAML

Convert between JSON and YAML for configs, docker-compose snippets, and CI files.

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