How do I convert CSV to JSON?

Simply upload your CSV file or paste the content into the left textarea. Click 'Convert CSV → JSON' to instantly transform it.

Is my data safe during conversion?

Yes, all conversions happen locally in your browser. We do not upload or store your files on any server.

Can I download the converted JSON or CSV file?

Yes! After conversion, you can download the results easily by clicking the 'Download' button provided.

Is there a limit on file size?

Since it's browser-based, the practical limit depends on your device's memory. For most files under 10MB, it works smoothly.

Does this tool support dark mode?

Absolutely! You can easily switch between light and dark mode using the theme toggle button at the top.

CSV to JSON Converter – Free Online Tool

CSV ⇄ JSON Converter

📁 Choose CSV or JSON File

CSV Input

JSON Input

Why Use Our CSV to JSON Converter?

Looking for a csv to json converter online that’s fast, private, and free? Convertly Files lets you instantly transform CSV to JSON or JSON to CSV without uploading your sensitive files to a server.

Highlights

💻 Works fully in your browser
📂 Upload CSV or JSON files directly
🔄 Auto download converted results
🌑 Full dark mode support

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