Developer
Processed locally in your browserCSV to JSON
Convert CSV spreadsheets into clean, structured JSON arrays and objects with automatic delimiter detection and type inference.
How to Use CSV to JSON
1
Paste your CSV data or upload a .csv file.
2
Choose output format (Array of Objects or 2D Array).
3
Click 'Convert' to transform the data.
4
Copy or download the resulting JSON file.
What This Tool Does
Parses comma-separated and tab-separated values, respects quoted cells, maps column headers to object keys, and outputs formatted JSON.
Common Use Cases
Importing Excel and Google Sheets data into web applications and databases.
Converting CSV product feeds into JSON API fixtures.
Migrating legacy spreadsheet data to NoSQL databases like MongoDB.
Privacy & Local-First Processing
All parsing executes in your browser's JavaScript runtime. Spreadsheets containing customer data are never uploaded to any remote server.
Frequently Asked Questions
Does it support semicolon or tab delimited files?
Yes, it intelligently parses standard commas, tabs (TSV), and semicolons.