CSV to JSON Converter

Advanced CSV to JSON converter with data transformation, import/export capabilities, column mapping, filtering, validation, and custom formatting options.

Last updated: 1/21/2025

CSV to JSON Converter

CSV Input

JSON Output

Frequently Asked Questions

What CSV formats are supported?

The tool supports standard CSV files with customizable delimiters (comma, semicolon, tab, pipe), quote characters, and escape characters. It handles both header and headerless CSV files.

Can I map CSV columns to specific JSON properties?

Yes, you can rename columns, map them to nested JSON properties, exclude unwanted columns, and apply data transformations during the conversion process.

What validation features are available?

The tool includes data type validation, required field checking, format validation (email, URL, date), and custom validation rules to ensure data quality.

Can I create nested JSON structures?

Yes, you can map CSV columns to nested JSON objects using dot notation (e.g., 'user.name', 'address.city') and create complex hierarchical structures.

What export options are available?

You can export as formatted JSON, minified JSON, JSON Lines (JSONL), or copy to clipboard. The tool also supports batch processing for large files.

How large CSV files can I process?

The tool can handle large CSV files efficiently with streaming processing and pagination. For very large files, it processes data in chunks to maintain browser performance.

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