Prepare CSV Data for Import

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

Non é necesario iniciar sesiónOs ficheiros permanecen privados

Drop a CSV file (or paste below)

CSV, TSV, TXT sen límite de tamaño de ficheiro

Explorar ficheiros

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.

Como funciona

Escolla Ficheiro

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

Proceso

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

Descargar

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

Por que usar o noso?

✓Completamente gratuíto, sen custos ocultos, nunca

✓Non se precisa ningunha conta, correo electrónico ou inicio de sesión

✓Os ficheiros nunca saen do teu dispositivo

✓Non hai límites de tamaño de ficheiro

✓Non hai marcas de auga en ningunha saída

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🔌

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📑

Convert Messy CSV with Quotes and Commas

Parse CSV that has commas, quotes, or line breaks

↹

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Parse tab-separated data copied from a spreadsheet

💻

Quickly Inspect CSV as JSON

See CSV rows as structured JSON objects while deve

Preguntas frecuentes

Back to CSV to JSON