CSV to JSON
The JSON format is widely used by developers and web applications to exchange data. Converting a CSV file to JSON makes it easy to integrate your data into websites, APIs or databases, without tedious manual work. A quick way to turn a spreadsheet export into a format that APIs and modern apps expect.
Click or drop your file here
.csv
How it works
1
Import
Drop your CSV file
2
Convert
Start the conversion
3
Download
Get your JSON
Features
Structure kept
— each row becomes a clean JSON object.Ideal for the web
— perfect format for APIs and applications.Fast
— instant conversion of your tables.CSV vs JSON: what's the difference?
CSV stores data in rows and columns, which makes it ideal for spreadsheets and simple exports. JSON organizes data as objects and arrays, making it easier for applications and APIs to read and process structured information.
Example output
CSV:
name,email John,john@example.com
JSON:
[
{
"name": "John",
"email": "john@example.com"
}
]
Common use cases
Preparing data for a JavaScript app or API
Converting an exported spreadsheet into a format your database accepts
Quickly testing sample data in JSON format
Your files are handled securely
Your CSV data is used only to generate the JSON file, then deleted from our servers right after processing.
Frequently asked questions
Which separators are supported?
Commas and semicolons are detected automatically.
Are headers used as keys?
Yes, the first row usually serves as keys for the JSON objects.
Is my data handled securely?
The file is processed securely on our servers, then automatically deleted after conversion.
Do I need to install anything?
No, it works directly in your browser.
Is it free?
Yes, with no account required.
Is there a file size limit?
Yes, files larger than 200 MB aren't accepted — more than enough for typical CSV exports.
Can I convert large CSV files?
Yes, but very large files depend on your browser and device memory.
Are formulas preserved?
CSV files contain values, not spreadsheet formulas — only the exported data is converted.
Can I convert JSON back to CSV?
Yes, use the JSON to CSV converter.