Minificateur JSON
Minifiez le JSON au plus compact.
Paste JSON to remove all whitespace and produce the smallest valid JSON. Invalid JSON is reported so you can fix it first. Everything runs locally in your browser.
Votre saisie est traitée localement dans votre navigateur — rien n'est envoyé, stocké ni journalisé.
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Comment ça marche
- 1 Paste your JSON.
- 2 The minified output appears live.
- 3 Copy or download the result.
Cas d'usage courants
- Shrink API payloads.
- Reduce config file size.
- Inline JSON into code.
- Save bandwidth for embedded data.
Questions fréquentes
Is my input sent to a server?
No. Everything runs locally in your browser — your input is never uploaded, stored or logged.
Is the JSON validated first?
Yes — the input is parsed, so invalid JSON shows an error instead of producing broken output.
Is it really free?
Yes — free, with no signup and no limits.