Prepare CSV Data for Import

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

Ingen inloggning krävsFiler förblir privata

Drop a CSV file (or paste below)

CSV, TSV, TXT ingen filstorleksgräns

Bläddra bland filer

CSV

JSON

—

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.

Så här fungerar det

Välj fil

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

Bearbeta

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

Ladda ner

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

Varför använda vårt?

✓Helt gratis — inga dolda kostnader, någonsin

✓Inget konto, e-post eller inloggning krävs

✓Filer lämnar aldrig din enhet

✓Inga filstorleksgränser överhuvudtaget

✓Inga vattenstämplar på någon utdata

Also check out…

🔌

Convert CSV to JSON for an API

Turn a spreadsheet export into JSON your code or A

📑

Convert Messy CSV with Quotes and Commas

Parse CSV that has commas, quotes, or line breaks

↹

Convert TSV (Tab-Separated) to JSON

Parse tab-separated data copied from a spreadsheet

💻

Quickly Inspect CSV as JSON

See CSV rows as structured JSON objects while deve

Vanliga frågor

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