CSV to JSON Converter
Convert CSV files to JSON format instantly in your browser. No data leaves your device.
Input your CSV data
Either paste CSV directly into the text area or upload a .csv file
Choose Output Format
Select between array of objects or nested object format
Download or Copy
Save the JSON file to your device or copy the result to clipboard
Instant Conversion
Process CSV to JSON in milliseconds, right in your browser
100% Private
Your data never leaves your browser. Complete privacy guaranteed
Smart Parsing
Automatically detects data types and handles edge cases
Standard CSV
Comma-separated values with headers
name,age,city John,30,New York Jane,25,Chicago
Quoted Values
Handles values with commas and quotes
product,price,description "Laptop, Pro",1299.99,"High-end laptop" "Mouse, Wireless",29.99,"Ergonomic design"
Mixed Data Types
Automatically detects numbers, booleans, and strings
id,active,score,notes 1,true,95.5,"Good performance" 2,false,82.3,"Needs improvement"
Empty Values
Properly handles missing or empty data
name,email,phone John,john@email.com, Jane,,555-0123 Bob,bob@email.com,555-0124
API Development
Convert spreadsheet data to JSON for REST APIs and web services
Database Import
Transform CSV exports into JSON for NoSQL databases like MongoDB
Data Migration
Move data from legacy spreadsheet systems to modern JSON-based applications
Configuration Files
Convert configuration spreadsheets to JSON for applications and services