CSV to JSON Converter
Paste CSV text and convert to a JSON array. First row = headers. Browser-only.
Paste CSV text and convert to a JSON array. First row = headers. Browser-only.
The CSV to JSON Converter turns spreadsheet-style comma-separated data into a structured JSON array of objects, using your CSV's header row as the object keys for every row below it — the format most APIs, JavaScript applications and NoSQL databases expect instead of flat tabular data.
This is the reverse of exporting API data to a spreadsheet: you start with a CSV export (from Excel, Google Sheets, or a database) and need it as JSON to import into an application, send to an API, or use as test/seed data in code.
The first row of your CSV is treated as the header row, and each column header becomes a key in every resulting JSON object — make sure your CSV has a proper header row before converting.
The converter attempts to detect numeric and boolean-looking values and convert them to actual JSON numbers and booleans rather than leaving everything as text strings, since CSV itself has no concept of data types — everything in a CSV file is plain text until interpreted.
Most AIVEXA tools run entirely in your browser (client-side), which means your files and inputs are processed on your own device and are not uploaded to a server.
Yes — it works on any modern browser (desktop, Android or iOS) without installing an app, and it's free to use with no signup or watermark.
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