CSV to JSON / JSON to CSV Converter

Convert data between CSV and JSON formats with comprehensive client-side processing, custom formatting options, and multiple export capabilities for data migration and integration projects. This data tool supports bidirectional conversion, delimiter options, header handling, data preview, and file download functionality with professional processing. Perfect for data migration, API integration, spreadsheet processing, and converting data between different formats for modern applications and data analysis workflows.
Bidirectional Conversion Delimiter Options Header Handling Data Preview
Quick Examples 
CSV: name,age
John,30
JSON: [{"name":"John","age":30}]
NESTED: {"data":[{"id":1,"values":[]}]}

Settings & Input

Output

Help & Related Tools

Everything you need to know

FAQ Frequently Asked Questions

Can I convert between both CSV and JSON formats?
Yes, the tool supports bidirectional conversion, allowing you to convert CSV files to JSON format and JSON data back to CSV format. This flexibility helps with data migration between different systems and applications.
How does the tool handle CSV headers?
The converter typically uses the first row as column headers, which become JSON object keys. You can usually specify whether your CSV has headers or configure custom header handling for your specific data structure.
What happens with complex JSON structures in CSV conversion?
Converting complex nested JSON to CSV may flatten the structure or create multiple columns for nested properties. Simple JSON arrays and objects convert more cleanly to tabular CSV format.
Can I customize delimiters and formatting?
Yes, most tools allow you to specify custom delimiters (comma, semicolon, tab), quote characters, and other CSV formatting options to match your specific data requirements or system expectations.
Is this useful for data migration projects?
Extremely useful! The converter helps migrate data between databases, spreadsheet applications, APIs, and other systems that use different data formats, making data integration projects much easier.

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