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CSV/JSON Converter

What is CSV/JSON Converter? (Quick Answer)

Convert between CSV and JSON Free online tool, no registration required, 100% client-side processing.

Convert between CSV and JSON

By Craftisle Team

About CSV/JSON Converter — Free Online Tool

Convert CSV data to JSON (array of objects) and JSON to CSV. Handles nested JSON, custom delimiters, and auto-detects column types. Essential for data import/export between spreadsheets and APIs.

How to Use CSV/JSON Converter — Step by Step

  1. Paste CSV or JSON

    Type or paste CSV data or JSON array into the input area.

  2. Choose conversion direction

    Select CSV → JSON or JSON → CSV.

  3. Adjust options

    Set delimiter (comma, tab, semicolon), and toggle pretty-print for JSON.

  4. Convert and copy

    Click Convert. Copy the result or download as a file.

Use Cases for CSV/JSON Converter

API data export

Convert JSON API responses to CSV for Excel analysis.

Spreadsheet import

Convert CSV exports from Google Sheets to JSON for API consumption.

Data migration

Transform data between systems that use different formats.

FAQ — CSV/JSON Converter Free Online Tool

How are nested JSON objects handled?

Nested objects are flattened using dot notation (e.g., user.name) in the CSV output.

What delimiters are supported?

Comma, tab, semicolon, pipe (|), and custom single-character delimiters.

Is there a row limit?

Limited by your browser's memory. For very large files, process in chunks or use a desktop tool.

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