Convert XLSX to JSON

Turn a spreadsheet into JSON for use in code and APIs.

Aucune connexion requiseLes fichiers restent privés

Déposez des fichiers ici ou cliquez pour parcourir

XLSX, XLS, CSV, ODS aucune limite de taille de fichier

Parcourir les fichiers

Vos fichiers ne quittent jamais votre appareil. Tout le traitement se fait localement dans votre navigateur.

Open .xlsx, .xls, .csv, or .ods spreadsheets without Excel or Google Sheets. The file is parsed entirely in your browser.

JSON tips

🧱

The JSON export uses the first row as keys, producing an array of objects per row.

👩‍💻

Handy for seeding a database or loading reference data into an app from a spreadsheet.

🗂️

Switch sheets and export each one as needed.

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Everything is processed in your browser.

Choisir un fichier

Drop your file into the tool above. It stays entirely on your device — nothing is sent to any server.

Traiter

The tool processes your data instantly in your browser using JavaScript. No server, no waiting.

Télécharger

Get your result instantly. Nothing is stored after you leave the page — complete privacy.

✓Entièrement gratuit — sans coûts cachés, jamais

✓Aucun compte, e-mail ou connexion requis

✓Les fichiers ne quittent jamais votre appareil

✓Aucune limite de taille de fichier

✓Aucun filigrane sur aucun résultat

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