How to Convert JSON to CSV Offline — Free Browser Tool
Export JSON arrays to CSV for Excel, Google Sheets, or databases — configure columns and download, all in your browser.
Convert JSON to CSV Offline — Free & Private
Export JSON arrays to CSV spreadsheet format for Excel, Google Sheets, databases, or reporting tools — configure column mapping and download the result, all processed locally in your browser.
Reporting tools, spreadsheet applications, and databases expect CSV rather than JSON. This converter flattens JSON arrays of objects into properly formatted CSV with column mapping, all without uploading your data.
How to Convert JSON to CSV Offline
Step 1: Paste Your JSON Array
Paste a JSON array of objects into the input editor. Each object in the array will become one row in the CSV output.
Step 2: Configure Column Mapping
Select which JSON keys to include as columns, reorder them, and set the delimiter (comma, semicolon, or tab).
Step 3: Convert to CSV
Click Convert. The tool flattens the JSON objects into a header row plus data rows with proper quoting of special characters.
Step 4: Download the CSV
Click Download to save the .csv file, or copy the output to paste directly into Excel or Google Sheets.
Why Use This Converter?
Completely Private
Your JSON data never leaves your browser — business and financial data stays on your device.
Column Mapping
Choose which JSON keys to include as CSV columns and reorder them to match your needs.
Download Ready
Download the CSV file directly ready for import into Excel, Google Sheets, or databases.
Convert JSON to CSV — No Upload Required
Runs entirely in your browser — no upload, no account, no waiting.
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