CSV to JSON Converter

Convert CSV table data, spreadsheets, and delimited files into clean, customizable JSON in seconds.

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Input CSV Data

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Generated JSON Output

Parser & Formatting Settings

Delimiter

JSON Output Structure

Indentation

First row is header Parse numbers & booleans Trim whitespace

0 rows • 0 characters

Why Use ToolRift's CSV to JSON Converter?

CSV (Comma-Separated Values) is the universal format for exporting tabular data from spreadsheets like Microsoft Excel, Google Sheets, SQL database dumps, and CRM systems. However, modern web applications, RESTful APIs, and NoSQL databases (like MongoDB, Firebase, and PostgreSQL JSONB) require structured JSON documents. Our online CSV to JSON converter bridges this gap effortlessly.

Key Features & Capabilities

Multiple JSON Output Formats: Convert your rows into an array of objects (ideal for API payloads), a compact 2D array, or an index-keyed object using the first column as unique IDs.
Intelligent Type Inference: Automatically detects and parses integers, floating-point decimals, booleans (true/false), and null values rather than treating everything as generic strings.
RFC 4180 Standard Compliance: Full support for quoted fields containing commas, line breaks, or escaped quotation marks ("").
Custom & Auto-Detect Delimiters: Handles comma (,), semicolon (;), tab (TSV), and pipe (|) separated records automatically.
File Upload & Download: Directly open local .csv, .tsv, or .txt files and export the generated JSON file with a single click.
100% Privacy & Security: All parsing and conversions are performed client-side inside your browser sandbox. No data is transmitted to external servers.

Example Conversion

A simple CSV table like:

id,name,role,active,salary
1,Alice,Lead Developer,true,95000
2,Bob,UX Designer,false,82000

Is cleanly converted into structured JSON ready for your application:

[
    {
        "id": 1,
        "name": "Alice",
        "role": "Lead Developer",
        "active": true,
        "salary": 95000
    },
    {
        "id": 2,
        "name": "Bob",
        "role": "UX Designer",
        "active": false,
        "salary": 82000
    }
]