Prepare CSV Data for Import

Convert a CSV into JSON to seed a database or load into an app.

Aucune connexion requiseLes fichiers restent privés

Drop a CSV file (or paste below)

CSV, TSV, TXT aucune limite de taille de fichier

Parcourir les fichiers

CSV

JSON

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First row is a headerConvert numbers & booleans

Delimiter

💡 A proper RFC 4180 parser — handles quoted fields, commas and line breaks inside quotes, and escaped quotes. With "first row is a header" on, you get an array of objects; off, an array of arrays. Everything runs in your browser.

data import tips

📥

Many tools and NoSQL databases import JSON more easily than CSV — convert first.

🔢

Type conversion ensures numeric IDs and flags import as numbers/booleans.

🧹

Review the JSON output for any columns that need renaming before import.

🔒

Your data is processed locally.

Comment ça marche

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.

Pourquoi utiliser le nôtre ?

✓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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🔌

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📑

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Parse CSV that has commas, quotes, or line breaks

↹

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💻

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See CSV rows as structured JSON objects while deve

Questions fréquemment posées

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