📊

CSV & TSV to JSON Converter

100% Client-Side

Convert CSV (comma-separated), TSV (tab-separated), or custom delimited spreadsheet data into structured JSON objects or 2D arrays with automatic number/boolean type parsing, custom delimiters, and minify options.

CSV / TSV Input 0 lines

Upload CSV

JSON Output 0 records

Conversion Options

Delimiter

Output Structure

Indentation

Parse Numbers & Booleans First Row Contains Column Headers

How to Use CSV & TSV to JSON Converter

Paste or Upload CSV

Paste your CSV/TSV table or click Load Sample.

Select Options

Choose delimiter (comma, tab, semicolon), header row toggle, and value parsing.

Copy or Download JSON

Copy the formatted JSON or download as a .json file.

Key Features & Privacy

✓ Multiple Delimiters

Supports Comma (,), Tab (TSV), Semicolon (;), and Pipe (|).

✓ Smart Type Casting

Automatically parses numbers, booleans (true/false), and null values.

✓ Array of Objects or Arrays

Choose key-value records or flat tabular 2D arrays.

🔒 Complete Client-Side Isolation

This tool runs entirely in your local browser runtime. No logs, analytics tracking, or remote server transmissions occur.

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