JSON ↔ CSV Converter
Free online JSON to CSV converter. Paste your JSON, get CSV instantly. No login, no limits. Works offline in your browser.
How to Use JSON to CSV Converter
Paste your JSON
Paste or type a JSON array into the input panel. You can also load a sample to try it out.
Click Convert
Hit the Convert button for instant conversion. Toggle direction to switch between JSON→CSV and CSV→JSON.
Copy or Download
Copy the result to clipboard or download as a file. It's that simple.
Frequently Asked Questions
Yes, absolutely! DevToolX tools are 100% free to use. No login required, no hidden fees, no premium tiers. Every feature is available to everyone.
Your data never leaves your browser. All conversions happen locally on your device. We don't store, track, or transmit any of your data to any server.
The converter supports JSON arrays of objects, nested objects (which get flattened), and standard JSON structures. Arrays of primitives are also handled gracefully.
Yes! Since processing happens in your browser, performance depends on your device. Most modern devices can handle files with tens of thousands of rows without issues.
Absolutely! The converter is fully responsive and works great on phones and tablets. The interface adapts to your screen size for the best experience.