CSV to JSON Converter
Last updated: June 1, 2026Convert CSV into JSON objects.
This CSV to JSON converter turns CSV data with a header row into a clean, pretty-printed JSON array of objects — correctly parsing quoted fields, embedded commas and line breaks. Paste your CSV and copy ready-to-use JSON in one step. It runs entirely in your browser, so your data is never uploaded to a server.
How to use CSV to JSON Converter
The CSV to JSON Converter turns CSV data (with a header row) into a clean JSON array of objects. It correctly parses quoted fields, commas and line breaks. Free, private and runs entirely in your browser.
- 1Paste your CSV, with the first row as headers.
- 2The JSON array is generated instantly.
- 3Copy the formatted JSON.
Robust parsing
Quoted fields, embedded commas and newlines are handled correctly.
Pretty JSON
Output is indented and ready to use in code.
Private
Your data never leaves your device.
Convert CSV to a JSON array
Paste CSV whose first row is the column headers and get a JSON array of objects keyed by those columns — ready to drop into code, a request body or a config file.
Turn a spreadsheet export into JSON
Export a sheet from Excel or Google Sheets as CSV and convert it to JSON here, so tabular data becomes something your app or API can consume.
Parse messy or quoted CSV correctly
Fields with embedded commas, quotes or line breaks are parsed properly, so real-world CSV — not just tidy examples — converts to clean JSON.
Prepare seed or test data
Convert a CSV of sample records into a JSON array for database seeds, fixtures or mock API responses, all processed privately in your browser.
CSV to JSON Converter — frequently asked questions
Does the first row need to be headers?
Yes — the header row becomes the keys for each JSON object.
Does it handle commas inside values?
Yes, as long as those values are wrapped in double quotes, per the CSV standard.
Is my data uploaded?
No — parsing happens entirely in your browser.
Is it free?
Yes, completely free.
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