CSV to JSON Converter - Convert CSV Files to JSON Format Online
Convert CSV data to JSON format with custom delimiters, header handling, and advanced parsing options. Free online tool.
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How to Convert CSV to JSON - Step by Step Guide
Input Your CSV Data
Start by adding your CSV data from Excel, databases, or data exports that needs to be converted to JSON format. The tool supports various CSV formats and custom delimiters. Try reverse conversion with JSON to CSV, or use JSON validator and formatter.
Example: Try This CSV Data
Copy and paste this CSV example to see how it works:
name,email,age,department,salary,active Sarah Chen,[email protected],28,Engineering,75000,true Michael Rodriguez,[email protected],32,Marketing,65000,true Lisa Wang,[email protected],29,Design,70000,false David Johnson,[email protected],35,Sales,68000,true Emma Thompson,[email protected],31,HR,62000,true
Configure Parsing Options
Customize how your CSV is parsed! The tool offers flexible options for different CSV formats and structures.
Get Formatted JSON Output
Watch the magic happen! Your CSV data is instantly transformed into clean, structured JSON format.
JSON Output Result
Your CSV becomes this structured JSON array:
[ { "name": "Sarah Chen", "email": "[email protected]", "age": 28, "department": "Engineering", "salary": 75000, "active": true }, { "name": "Michael Rodriguez", "email": "[email protected]", "age": 32, "department": "Marketing", "salary": 65000, "active": true } ]
Copy or Download JSON
Perfect! Now you can use your JSON data in applications, APIs, or databases.
What is CSV to JSON Conversion?
CSV to JSON conversion transforms tabular comma-separated values data into JavaScript Object Notation format. This process converts rows and columns from CSV files into structured JSON objects, making the data more suitable for web applications, APIs, and modern data processing workflows.
The conversion process intelligently handles headers, data types, and special characters, creating clean JSON arrays where each CSV row becomes a JSON object with key-value pairs based on the column headers.
Frequently Asked Questions
How does the tool handle different CSV delimiters?
The tool automatically detects common CSV delimiters including comma, semicolon, tab, and pipe characters. You can also manually specify custom delimiters if your CSV uses non-standard separators. The parser intelligently handles quoted fields containing delimiter characters.
Can the converter automatically detect data types?
Yes! The tool automatically detects and converts data types including numbers, booleans (true/false), dates, and strings. Numbers are converted to proper JSON numeric types, boolean values are recognized from various formats (true/false, yes/no, 1/0), and strings are properly escaped.
What happens if my CSV doesn't have headers?
If your CSV doesn't have headers, the tool can generate generic column names (like "column1", "column2") or you can specify custom headers. You can also choose to treat the first row as data rather than headers, giving you full control over the JSON structure.
Is the generated JSON compatible with all programming languages?
Absolutely! The generated JSON follows standard JSON specifications and is compatible with all programming languages and frameworks that support JSON parsing. It works seamlessly with JavaScript, Python, Java, C#, PHP, and any other language with JSON support. You can also convert the JSON to tables for visual analysis.
Can I handle large CSV files with thousands of rows?
Yes! The tool efficiently processes large CSV files and generates properly formatted JSON arrays. For very large datasets, the conversion is optimized for performance while maintaining data integrity and proper JSON formatting throughout the entire dataset.
Is the CSV to JSON converter free with unlimited usage?
Yes, completely free with no restrictions on file size, number of rows, or conversion frequency. Convert unlimited CSV files to JSON format without registration, and download or copy the results for immediate use in your applications and projects.