CSV to JSON
Convert a CSV table into an array of JSON objects using the header row as keys. Local, free, no signup.
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Convert a CSV table into an array of JSON objects using the header row as keys. Local, free, no signup.
How to use CSV to JSON
- Paste or type your contentThe result appears as you type — there is no submit button.
- Read and copy the resultThe output updates live and the copy button takes it in one click.
Worked example
- name,age Alice,30 Bob,25
- [ { "name": "Alice", "age": "30" }, { "name": "Bob", "age": "25" } ]
Nothing you enter leaves your device
All of the work happens inside your browser. Whatever you type is never packaged up and sent to a server, and no request this page makes carries it.
That makes it safe for contract amounts, personal details and internal documents you would rather not hand to a third party — close the tab and it is gone.
What this tool does not do
CSV to JSON only does what a browser can do on its own — it talks to no backend service. So it keeps no history for you and syncs nothing across devices; if you need a record, copy or download the result.
It is also not a substitute for professional judgement. For legal, medical or tax decisions, treat the output as a starting point rather than a final answer.
Frequently Asked Questions
- How are rows mapped?
- The first row becomes the keys, and each following row becomes one object.
- Are quotes supported?
- Yes, quoted fields with commas inside are parsed correctly.