CSV (Comma-Separated Values) and JSON (JavaScript Object Notation) are two of the most common data exchange formats. CSV is lightweight and widely used in spreadsheets and database exports; JSON is highly structured and is the standard format for web APIs. In real-world development, you often need to convert between these two formats. Our online converter helps you quickly perform bidirectional CSV-JSON conversion — all processing happens in your browser for maximum data security.
What is the difference between CSV and JSON?
CSV (Comma-Separated Values) is a simple tabular data format where each row represents a record and columns are separated by commas. JSON (JavaScript Object Notation) is a structured data format that supports nested objects and arrays. JSON is better for complex data structures, while CSV is ideal for simple tabular data.
How large a file can this tool handle?
All data processing happens in your browser, so file size is limited by browser memory. Generally, processing hundreds of thousands of rows of CSV data works fine. For very large files, consider processing in segments.
Is my data safe?
Completely safe! All conversions happen locally in your browser — your data is never uploaded to any server.