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Convert .CSV to .JSON

Convert .CSV to .JSON in your browser

No upload and no installation: choose your file and download the result.

Your files are converted in your browser and are never uploaded to a server.

Conversion possible

Convert CSV to JSON free in your browser: no upload, no sign-up. Choose your file, click Convert and download the JSON.

How to convert .CSV to .JSON

  1. Choose your CSV file above, or drag it onto the field.
  2. Make sure JSON is selected as the target format.
  3. Click Convert and download the result.

What to expect

  • The first row is used as the keys. All values stay text, and the separator (comma, semicolon or tab) is detected automatically.

Created with the help of AI and not yet reviewed editorially. How we use AI and review content

About .CSV

.CSV stands for Comma-Separated Values, a format that stores data in a tabular form with each line representing a data record. It is widely used for data exchange due to its simplicity and compatibility with many applications.

.CSV files are plain text files used to store tabular data, which can be opened with spreadsheet software or text editors on various platforms.

Learn more about .CSV.

About .JSON

JSON is a lightweight, text-based, language-independent data interchange format defined by standards such as RFC 8259 and ECMA-404. A JSON document is typically built from objects (key/value pairs) and arrays, with strict syntax rules (for example, strings use double quotes). The official media type for JSON is application/json.

.json files store structured data as plain text using the JSON (JavaScript Object Notation) format. They’re commonly used for web APIs, app configuration, and data exchange, and can be opened with any text editor or JSON-aware tools.

Learn more about .JSON.