Prepare CSV Data for Import

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

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Drop a CSV file (or paste below)

CSV, TSV, TXT 无文件大小限制

浏览文件

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.

工作原理

选择文件

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

处理

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

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

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✓文件永远不会离开你的设备

✓绝无文件大小限制

✓所有输出均无水印

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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

常见问题

Back to CSV to JSON