CSV to JSON Converter
Convert CSV and TSV tabular text into structured JSON arrays of objects.
How It Works & Processing Standards
Convert CSV and TSV tabular text into structured JSON arrays of objects.
Your input data is never sent to any server and is securely processed on your device.
Current Limits
- Desktop max file size: 50MB
- Mobile max file size: 20MB
CSV to JSON Converter is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.
How to Use CSV to JSON Converter
- 1Paste CSVPaste comma or tab-separated tabular data.
- 2Configure OptionsSelect whether the first row contains headers and parse data types.
- 3Copy JSONCopy the generated JSON array or save it as a file.
Examples
Convert Records
Input: name,age
Alice,30
Bob,25
Result: [
{
"name": "Alice",
"age": 30
},
{
"name": "Bob",
"age": 25
}
]
Common Use Cases
- Importing spreadsheet exports into MongoDB or document databases
- Seeding test database fixtures from Excel spreadsheets
- Processing survey data in JavaScript applications
Frequently Asked Questions (FAQ)
Are numeric values parsed as numbers or strings?
You can choose to parse numbers and booleans automatically or keep all values as raw strings.