EsyTool

Convert JSON to CSV Online - Free & Private Data Converter

Convert JSON arrays and objects to CSV spreadsheet format locally in your browser. Download .csv files for Excel or Google Sheets.

Runs entirely in your browser

Formatted output appears here

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How to use Convert JSON to CSV Online - Free & Private Data Converter
  1. 1Paste your JSON data array.
  2. 2Click Convert to CSV.
  3. 3Download your .csv spreadsheet file instantly.
Privacy & security

Your JSON data is parsed entirely in your browser memory. API responses and customer records are never uploaded to any server.

No data is sent over the network.

Frequently asked questions
Can I convert nested JSON objects to CSV?

Yes. Flattened keys will be mapped to column headers in the resulting CSV file.

Converting JSON Data to CSV Spreadsheets — Excel & Data Analysis

API responses and database exports are typically returned in JSON format, but business analysts and accountants need data in CSV spreadsheets for Excel or Google Sheets. EsyTool converts JSON to CSV locally without leaking sensitive business records.

Common use cases

Exporting API Data to Excel

Convert raw JSON API endpoints into clean spreadsheets for reporting.

Tips for best results
  • Ensure your JSON input is a valid array of objects for clean column headers.
More questions answered

What is the maximum JSON file size supported?

Since conversion runs in browser memory, you can convert files up to several hundred megabytes depending on your system RAM.