JSON to CSV — Convert JSON to CSV
Convert JSON data to CSV format for spreadsheets.
Tips
- Input must be a JSON array of objects (e.g., [{...}, {...}])
- Nested objects are flattened using dot notation (e.g.,
address.city) - Fields containing the delimiter or quotes are automatically escaped
- Use semicolon delimiter for European locale CSV files
Why Choose Our Client-Side JSON to CSV?
Perform calculations and utilities securely, quickly, and directly in your browser with 100% local client-side memory execution.
100% Secure & Local
Your data never leaves your device. All calculations, parsing, and formatting are performed locally in sandboxed client memory.
High-Fidelity Formats
Preserves values, parameters, settings, and configurations precisely during JSON to CSV.
Blazing Fast Speeds
Powered by client-side browser workers, updates happen instantly without upload delays or network queue times.
Process in Three Simple Steps
Provide Inputs
Paste, type, or drag & drop your raw values or files directly into the interface above.
Configure & Apply
Choose your conversion settings, custom formats, or parameters and review the real-time preview results.
Save Output
Instantly copy the finalized output to your clipboard or download it as a local file.
utilities_output
Ready for use
Frequently Asked Questions about JSON to CSV
Yes, JSON to CSV is 100% free with no registration, no usage limits, and no hidden costs. Use it as many times as you need.
JSON to CSV runs entirely in your browser — nothing is ever sent to our servers. Your data stays on your device at all times.
Once the page has loaded, JSON to CSV works fully in your browser without an internet connection.
For text-based conversions there is effectively no limit. The tool handles data up to hundreds of kilobytes without issues.
Yes, JSON to CSV is fully responsive and works on smartphones and tablets with any modern browser.