First row should contain headers. Supports quoted fields and commas in values.
JSON output will appear here after conversion
CSV to JSON Converter is a free online tool that transforms CSV (Comma-Separated Values) data into JSON (JavaScript Object Notation) format. CSV files are commonly used for storing tabular data from spreadsheets and databases, while JSON is the preferred format for web APIs and modern applications.
Our tool intelligently parses CSV data with full support for quoted fields, escaped characters, and various line endings. It automatically converts the first row into JSON object keys and each subsequent row into a JSON object.
The converter also features automatic type inference, detecting numbers, booleans, and null values to produce clean, properly-typed JSON output. All processing happens in your browser, ensuring your data remains private and secure.
Copy and paste your CSV content into the input area. The first row should contain column headers that will become JSON keys.
Click the Convert button to parse your CSV and generate JSON output. The tool automatically handles quoted fields and type inference.
Use the copy button to copy the JSON to your clipboard, or click Download JSON to save it as a file.
Handles quoted fields, commas inside quotes, escaped quotes, and various line endings (CRLF, LF)
Automatically detects and converts numbers, booleans (true/false), and null values
Uses the first row as JSON object keys for clean, readable output
One-click copy functionality for quick integration into your projects
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