JSON to CSV Converter
Convert JSON arrays to CSV and back. Real-time bidirectional conversion. [NEW-2026-06-08]
JSON to CSV Converter — Free Online Tool
Convert JSON arrays to CSV and back instantly. Perfect for data analysts, developers, and anyone who needs to transform API responses into spreadsheet-ready format. Real-time bidirectional conversion with proper CSV escaping for commas, quotes, and newlines.
How it works
Paste a JSON array of objects into the input panel. The tool extracts headers from the object keys and maps each object to a CSV row. Switch to CSV → JSON mode to convert spreadsheet data back to structured JSON. All processing is done locally in your browser.
Developer workflow tip
Pair with JSON Formatter to clean up the JSON before conversion, JSON Validator to verify correctness, or SQL Formatter when preparing data for databases.
Privacy & security
Your data never leaves your device. All conversion runs entirely in the browser — no server uploads, no tracking.
Related: JSON Formatter, JSON Validator, JSON Diff, SQL Formatter, XML to JSON.
FAQ
Is this tool free to use?
Yes. The tool is free to use in your browser and does not require an account.
Do I need to install anything?
No. The tool runs in a normal modern browser, so you can use it on desktop or mobile without installing extra software.
Is my data uploaded to a server?
No. All processing happens locally in your browser. Your data never leaves your device.
Can I use this for production work?
Yes, but always verify the output before using it in production. Keep a copy of your original input.
What should I check before using the result?
Review the output for accuracy, formatting, encoding, and compatibility with your target system before deploying or committing.
Does this tool work offline?
Once the page is loaded, the tool runs entirely in your browser and does not need a network connection to function.