Free browser-based data converter
CSV to JSON Converter
Convert CSV files or pasted CSV text into clean JSON. Use headers as object keys, choose delimiters, preview rows, copy formatted JSON, and download a ready-to-use JSON file.
JSON output
Ready[
{
"name": "CSV to JSON",
"category": "Developer Tool",
"price": "0"
},
{
"name": "Excel Formula Explainer",
"category": "Spreadsheet Tool",
"price": "0"
},
{
"name": "XML Formatter",
"category": "Developer Tool",
"price": "0"
}
]CSV preview
| name | category | price |
| CSV to JSON | Developer Tool | 0 |
| Excel Formula Explainer | Spreadsheet Tool | 0 |
| XML Formatter | Developer Tool | 0 |
Convert CSV to JSON online
CSV is a simple table format used by spreadsheets, ecommerce exports, databases, analytics platforms, inventory systems, accounting tools, CRMs, and ERP software. JSON is a structured data format widely used by APIs, web applications, automation tools, JavaScript projects, mobile apps, dashboards, and configuration files. This converter helps you quickly transform CSV rows into clean JSON without manually rewriting data.
You can paste CSV text or upload a CSV file, auto-detect the delimiter, use the first row as field names, generate an array of JSON objects, create an array of arrays, preview the parsed rows, copy the result, and download a JSON file for development or data processing.
CSV to JSON objects
Use the first CSV row as headers and convert each row into a JSON object with key-value pairs.
CSV to JSON arrays
Create a simple array-of-arrays format when you need raw tabular data without object keys.
Delimiter detection
Automatically detects comma, semicolon, tab, and pipe-delimited data.
Private workflow
The CSV conversion is designed to run in your browser without requiring account creation.
When should you convert CSV to JSON?
- Preparing spreadsheet data for an API or JavaScript application.
- Converting Shopify, WooCommerce, inventory, or product exports into structured data.
- Turning accounting, sales, or report exports into machine-readable JSON.
- Creating sample data for a web app, dashboard, or automation workflow.
- Moving tabular data into tools that accept JSON instead of CSV.
Array of objects vs array of arrays
An array of objects is usually easier to read because each value has a field name. For example, a row with name, category, and price becomes an object with those keys. This is the best option for most APIs and web apps. An array of arrays is more compact and keeps the table structure closer to the original CSV, but it is less descriptive because values are identified by position rather than by key.
Tips for better CSV to JSON conversion
- Keep a clear header row when you want JSON objects.
- Remove duplicate column names or rename them before converting.
- Check the delimiter if the preview shows all data in one column.
- Review dates, numbers, currency values, and IDs after conversion.
- Keep a copy of the original CSV before editing or importing JSON elsewhere.
Common CSV to JSON issues
Duplicate headers
Duplicate column names can overwrite values in object output. Rename duplicate headers before importing.
Wrong delimiter
If columns look wrong, try comma, semicolon, tab, or pipe mode manually.
Quoted commas
CSV values with commas should be wrapped in quotes so they stay in one field.
Data types
CSV stores everything as text. Check whether your target system expects numbers, booleans, or dates.
FAQ
Is this CSV to JSON converter free?
Yes. You can convert CSV to JSON for free without creating an account.
Can I upload a CSV file?
Yes. You can upload a CSV file or paste CSV text manually.
Can it convert semicolon CSV?
Yes. Use auto-detect or choose semicolon manually from the delimiter menu.
Is my CSV uploaded?
The converter is designed to process CSV data in your browser.