← All ToolsFree · no sign-up
CSV ↔ JSON Converter
Convert CSV to a JSON array of objects, or JSON back to CSV.
- Paste CSV or JSON
- Pick the direction
- Copy the converted output
“CSV → JSON” reads the first row as column names and turns each following row into an object. “JSON → CSV” expects an array of objects and writes one row per object.
Frequently asked questions
- CSV converts to a JSON array of objects, with the header row becoming each object's keys and each subsequent row becoming one object. Converting back to CSV reverses this, using the keys from the JSON objects as the header row.
- Quoted fields containing commas, quotes or line breaks are parsed correctly as long as they follow standard CSV quoting rules (wrapped in double quotes, with doubled quotes to escape a literal quote character).
- It's built for flat, tabular data — a JSON array of simple key/value objects converts cleanly to CSV. Deeply nested structures should be flattened first, since CSV has no native way to represent nesting.
- No. Conversion happens entirely in your browser — nothing you paste is sent to a server or kept. No account is required.
- No. It runs entirely in your browser — no software install, no account, no email required.
How does CSV map to JSON, and back?
What happens if my CSV has commas inside a quoted field?
Does it handle nested JSON objects or arrays?
Is my data uploaded or stored anywhere?
Do I need to install anything or sign up?
Advertisement