Convert JSON to CSV – Free Online Converter

How to Convert JSON to CSV

Converting nested JSON data into a flat CSV format is essential for data analysis. Here is how to do it instantly:

• Step 1: Copy your JSON array (e.g., from an API response or file).
• Step 2: Paste it into the input box above.
• Step 3: Click “Convert to CSV”.
• Step 4: Click “Download .CSV” to open it in Excel, Google Sheets, or Numbers.

When to Use This Tool

CSV (Comma Separated Values) is the universal language of data. You’ll need this converter when:

• Data Analysis: Importing API data into Excel or Google Sheets for pivot tables and charts.
• Reporting: Converting database dumps (JSON) into readable reports for managers.
• Migration: Moving data between systems that require CSV imports (e.g., Shopify, Salesforce).
• Archiving: Saving structured data in a simple, future-proof text format.

Why Use Our JSON to CSV Converter?

While many converters exist, ours is engineered for privacy and ease of use.

1. Privacy-First & Secure

Financial and user data is sensitive. Unlike server-side tools that might log your uploads, this tool runs 100% in your browser. Your data never leaves your computer.

2. Smart Flattening

JSON is hierarchical (tree-like), but CSV is flat (table-like). Our engine intelligently flattens nested structures so you don’t lose data:

• Nested Objects: `address: { city: “NY” }` → `address.city` column.
• Arrays: Simple arrays are joined with semi-colons (e.g., `tags: “admin;user”`).

3. Offline Ready

Once loaded, this page works without an internet connection. Perfect for working on secure networks or while traveling.

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Frequently Asked Questions