ProntoUso

DeveloperAvailable

JSON Formatter

Validate JSON, format it for reading, or minify it for compact use. Processing runs locally in your browser.

Runs locally in your browser. Your data never leaves your device.
Or drop a .json file .json · up to 2.0 MB. Read in your browser, never uploaded.

Output

Paste JSON to begin.

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How it works

This tool is isolated from the rest of the catalog and follows the ProntoUso local-first model. When a tool runs in the browser, the input is processed on your device and is not sent to a ProntoUso server.

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