Free Online CSV to JSON Converter
Import CSV tables and convert them into structured JSON arrays.
Migrate Spreadsheet Tables to Databases
Databases and APIs process JSON data formats much faster than CSV sheets. If you are importing inventory catalogs, customer lists, or transaction history tables from Excel, converting them to JSON is the first step.
Our free online CSV to JSON converter maps tabular data:
- Row-to-Object Mapping: Converts CSV rows into independent JSON objects.
- Column Header Alignment: Uses the first row as object keys.
- Separator Customization: Supports commas, tabs, and semicolons.
Key Benefits & Features
Detects and parses tab-separated values (TSV) and semicolon formats.
Outputs formatted, human-readable JSON payloads.
Your file contents remain private. No data is sent to external servers.
How to Use the CSV to JSON Converter Step-by-Step
This utility runs entirely inside your browser using client-side JavaScript. We prioritize your security: none of your inputted text is logged or stored.
- 1
Paste your CSV table rows into the editor.
- 2
Select the separator character preset (Comma, Semicolon, Tab).
- 3
Review and copy the compiled JSON object array.
Practical Examples
id,name\n1,Alex
Frequently Asked Questions (FAQ)
Does the first row have to contain headers?▼
Yes. The first row of the CSV table is parsed as keys for the resulting JSON objects.
Can it convert files with semicolons?▼
Yes, choose "Semicolon" in separator configuration presets.
Is my CSV data secure?▼
Yes, parsing is handled client-side by JavaScript.
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