CSV to JSON v1.0
Convert CSV spreadsheet data to JSON format instantly. Perfect for importing data into web applications and APIs.
No data uploaded – runs 100% in your browser
Used by developers in 120+ countries
v1.0 • Updated Nov 2025
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How to Use the CSV to JSON
- Paste your CSV data or upload a file
- Configure delimiter if needed
- Click 'Convert' to generate JSON
- Copy or download the JSON output
What is CSV to JSON?
A CSV to JSON converter transforms comma-separated values into JSON array format. Each row becomes an object with column headers as keys, making it ready for use in JavaScript applications.
Why Use a CSV to JSON?
- Import spreadsheet data into web apps
- Prepare data for REST APIs
- Automatic header detection
- Handles large files efficiently
- Clean, properly formatted output
Frequently Asked Questions
What is a CSV to JSON converter?
A CSV to JSON converter transforms comma-separated value data into JSON format, with each row becoming a JSON object.
Is this CSV to JSON converter free?
Yes, this CSV to JSON converter is completely free and runs entirely in your browser.
Is my data secure?
All processing is done locally in your browser. No data is uploaded or stored.