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JSON to CSV

Paste or import JSON, choose a data list, preview the table, then copy or download.

Processed locally · No upload · No sign-up

01 / INPUT

Add your data. Make it useful.

Choose a file or paste text. Your data stays in this browser.

Up to 5,000 data rows, 200 columns and 100,000 data cells. Input: 0 / 2,000,000 characters. Files must use UTF-8.

CSV export settings

Text is preserved by default. Excel may interpret CSV values starting with =, +, -, @ and similar prefixes.

Run again after editing input or options.

Four steps

  1. Paste or import JSON
  2. Choose a data list
  3. Preview the table
  4. Download CSV

Technical Description

Choose the records you need from an API response, then check the table and full CSV text. Nested objects use dotted columns. Exports contain the full result; the table preview shows the first 50 rows. Processing runs in your browser.

Use Cases

Ideal for developers exporting API responses to spreadsheets, data analysts converting NoSQL database exports, business users transforming webhook data for reporting, and anyone migrating data between JSON-based systems and spreadsheet applications. Perfect for preparing data for Excel, Google Sheets, or database imports.

User Guide

  1. 1
    Paste or UploadPaste JSON code directly into the editor, or click to upload a .json file.
  2. 2
    Structure PreviewChoose a detected data list, then click Preview table. Switching lists refreshes the preview.
  3. 3
    Custom OptionsOpen CSV export settings to adjust headers, quoting and BOM. Switch between the table and CSV text to check the complete output.
  4. 4
    One-Click DownloadClick "Download CSV" to get a standard .csv file compatible with Excel or Google Sheets.

Frequently Asked Questions

Can nested JSON objects be converted?

Choose the data list to export. Nested objects use dotted headers (e.g., user.address.city); arrays inside cells remain JSON text. Null and missing values appear as empty CSV cells.

Is there a data size limit for conversion?

JSON input is limited to 2,000,000 characters and files to 5 MiB. A table supports up to 5,000 rows, 200 columns and 100,000 data cells. If a list is too large, choose a smaller one; results are not silently truncated.

Will my data be stored in the cloud?

JSON parsing and CSV generation run in your browser. Your input is not uploaded to a server for conversion.

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