CSV to JSON Converter
Convert CSV data into JSON in your browser without uploading pasted rows.
JSON output
All conversion happens locally in your browser. The value you enter is not sent to a server, logged, stored, or transmitted.
How to use this tool
Enter the required values in the labeled fields. Results update in your browser and are announced for assistive technologies. Use realistic measurements and verify important outcomes before acting on them.
Formula or logic
A client-side CSV parser handles quoted fields, delimiters and optional header rows, then outputs JSON.
Example calculation
Example: name,qty with rows becomes an array of JSON objects.
Frequently asked questions
Does it handle quoted commas?
Yes. Quoted CSV fields and escaped quotes are handled.
Is CSV data uploaded?
No. It stays in your browser.
Related tools
JSON to CSV Converter
Convert a JSON array of objects to CSV with optional header row and delimiter.
JSON to YAML Converter
Convert JSON objects, arrays and values into readable YAML text locally.
YAML to JSON Converter
Convert simple YAML key-value text into pretty JSON locally.