CSV ⇄ JSON — Spreadsheets to JSON Arrays

Excel exports to JSON APIs: paste, convert, copy — swap button handles JSON→CSV too.

Quick answer: Free CSV→JSON: paste CSV, get a clean JSON array with headers as keys — RFC quoting handled, all local.

Input

Output

How to use

Paste CSV (with header row).
Convert — copy the JSON.

About this tool

The other direction of the data-conveyor-belt: paste any CSV, get a JSON array keyed by your header row. Handles quoted fields with embedded commas and newlines per RFC-4180.

FAQ

Header row required?

Yes — first row becomes keys.

Commas inside values?

Quoted fields parsed correctly per RFC-4180.

Empty cells?

Become empty strings — predictable.

Numbers?

Values stay strings for safety — parse as needed downstream.

Large CSVs?

Thousands of rows fine — all local.

Reverse direction?

Swap → JSON→CSV.

Rate this tool

Your rating stays in this browser (local storage) — nothing is sent to any server.

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The complete csv to json guide

Prefer the long version — a worked example, the mistakes people actually make, and answers to real questions? The blog guide Csv to Json — Complete Guide, Mistakes & FAQ covers all of it step by step.

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CSV ⇄ JSON — Spreadsheets to JSON Arrays

How to use

About this tool

FAQ

Rate this tool

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The complete csv to json guide