Does this tool upload my files?

No. Published Freela tools in this release are LOCAL_ONLY and run in the browser.

Yes. There is no paywall on this page and we do not invent reviews or star ratings.

What input does this page accept?

CSV to JSON converter: CSV ↔ JSON. LOCAL_ONLY.

Are nested objects supported?

CSV export flattens one level. Deep trees should be handled in code, not in this helper.

What delimiter is used?

Comma. Semicolon-separated European exports should be replaced first.

CSV to JSON converter

CSV to JSON converter. Convert CSV to JSON on this landing page. Format, encode or inspect developer snippets locally. Files and text stay on your device — Freela does not upload them.

Local only

Processed locally in your browser

CSVJSONTEXT

1Run in the browser
2Download or copy

CSV
JSON

Files ready

Local only · Processed locally in your browser. Files and pasted text are not uploaded to Freela.

All text stays in your browser. Freela does not receive, store or train on the content you paste.

Supported formats: Input/output: CSV or JSON text.

CSV
JSON

How to use

Paste CSV or JSON.
Choose the target format.
Copy the converted text.

Examples

Turn a spreadsheet export into JSON for a prototype.
Flatten a small JSON array for a colleague who wants CSV.

Questions

Does this tool upload my files?: No. Published Freela tools in this release are LOCAL_ONLY and run in the browser.
Is it free to use?: Yes. There is no paywall on this page and we do not invent reviews or star ratings.
What input does this page accept?: CSV to JSON converter: CSV ↔ JSON. LOCAL_ONLY.
Are nested objects supported?: CSV export flattens one level. Deep trees should be handled in code, not in this helper.
What delimiter is used?: Comma. Semicolon-separated European exports should be replaced first.