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Prepare CSV Data for Import

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

Sin necesidad de registroLos archivos permanecen privados

Drop a CSV file (or paste below)

CSV, TSV, TXT sin límite de tamaño de archivo

Explorar archivos
JSON
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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

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

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

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

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Your data is processed locally.

Cómo funciona

1
Elegir archivo
Drop your file into the tool above. It stays entirely on your device — nothing is sent to any server.
2
Procesar
The tool processes your data instantly in your browser using JavaScript. No server, no waiting.
3
Descargar
Get your result instantly. Nothing is stored after you leave the page — complete privacy.

¿Por qué usar el nuestro?

✓Completamente gratis — sin costes ocultos, nunca
✓Sin cuenta, correo ni registro requerido
✓Los archivos nunca salen de tu dispositivo
✓Sin límite de tamaño de archivo en absoluto
✓Sin marcas de agua en ningún resultado

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Turn a spreadsheet export into JSON your code or A

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Convert Messy CSV with Quotes and Commas

Parse CSV that has commas, quotes, or line breaks

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Convert TSV (Tab-Separated) to JSON

Parse tab-separated data copied from a spreadsheet

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Quickly Inspect CSV as JSON

See CSV rows as structured JSON objects while deve

Preguntas frecuentes

Back to CSV to JSON