CSV to JSON Converter
Convert CSV data to JSON format. Handles quoted fields, auto-detects data types,...Convert CSV data to JSON format. Handles quoted fields, auto-detects data types, and supports multiple delimiters. All processing happens in your brow...
CSV Input
JSON Output
Conversion Summary
Converter Features
Why Use CSV to JSON Converter?
Instant Conversion
Convert CSV to JSON in real-time as you type. No waiting, no page reloads required.
Multiple Delimiters
Support for comma, semicolon, and tab delimiters. Works with any CSV variant.
Auto Type Detection
Automatically detects numbers, booleans, and null values for accurate JSON output.
100% Private
All conversion happens in your browser. Your data never leaves your device.
Common Use Cases for CSV to JSON
API Development
Convert CSV exports to JSON format for use in REST APIs and web applications.
Data Migration
Transform spreadsheet exports into JSON for importing into NoSQL databases.
Frontend Development
Convert CSV data to JSON for use in JavaScript applications and frameworks.
Data Analysis
Prepare CSV data as JSON for use with charting libraries and visualization tools.
How It Works
Paste CSV Data
Enter your CSV data directly or use the sample data to see how it works.
Configure Options
Choose your delimiter, toggle header detection, and select output formatting.
Copy JSON Output
View the converted JSON instantly and copy it to your clipboard with one click.
Tips for CSV Conversion
Check Your Delimiter
If the output looks wrong, try switching delimiters. European CSVs often use semicolons instead of commas.
Validate Before Using
Always preview the JSON output to ensure data types were detected correctly before using in production.
Quoted Fields
If your CSV contains commas within field values, make sure those fields are wrapped in double quotes.