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CSV to JSON

CSV to JSON

Turn CSV tables into JSON arrays

Free to use
No account required
Data stays in your browser

Input

—

Output

Your data is processed locally in your browser.

How it works

Paste CSV
Include a header row and at least one data row.
Review JSON
Each row becomes an object keyed by headers.
Copy or download
Copy JSON or download a .json file.

Common uses

Import spreadsheet exports into apps
Build JSON fixtures from CSV
Clean tabular data for APIs

Frequently asked questions

Are duplicate headers allowed?: No. Column names must be unique and non-empty so each field maps cleanly.
Is my input uploaded?: No. Conversion runs in your browser. Nothing is sent to a NeedAnyTool server for these tools.

Related tools

JSON to CSV
JSON Formatter
YAML ↔ JSON