JSON to CSV Converter Online Free — Instant

JSON to CSV — convert a JSON array to CSV error runs in your browser · nothing uploaded

⌃⏎ run · ⎋ clear · / focus input

JSON ⇅ upload

⇅ drop a file to load it

CSV

send output to

no matches

Handles pastes up to ~5MB smoothly in your browser — bigger files still work, just budget a second or two.

JSON to CSV Online

Updated 2026-07-09

Convert JSON to CSV online for free. Paste a JSON array of objects and SnapTools turns it into clean, spreadsheet-ready CSV — each object becomes a row, each key a column — that you can copy or download and open straight in Excel or Google Sheets. It all runs in your browser; nothing is uploaded.

This is the fastest way to get JSON data in front of people who live in spreadsheets, or to bulk-load records into a tool that expects CSV. Need the reverse? The CSV to JSON converter takes you back.

// how to use

1 Paste a JSON array of objects into the input panel.
2 SnapTools turns each object into a row and each key into a column header.
3 Copy or download the CSV, ready for Excel, Google Sheets, or any spreadsheet.

// examples

Array of objects to CSV

Input

[{"name":"Ada","age":36},{"name":"Linus","age":54}]

Output

name,age
Ada,36
Linus,54

// common uses

Exporting API data to a spreadsheet Loading JSON into Excel or Sheets Preparing data for non-developers Bulk-importing records

// faq

An array of objects works best — each object becomes a row and its keys become the column headers. A single object is treated as one row.

Nested values are flattened or JSON-encoded into the cell so the CSV stays valid. Flatten deeply nested data first if you need each field in its own column.

Yes. The output is standard comma-separated CSV that imports directly into Excel, Google Sheets, Numbers, and most data tools.

No — the conversion runs entirely in your browser, so your data stays on your machine.

Yes — use the CSV to JSON tool to convert spreadsheet data back into JSON.

↳ Curious to go deeper? Read the How to convert JSON to CSV (including nested data) guide →

// related

JSON Formatter CSV to JSON JSON to YAML CSV Diff CSV to SQL

Use this via API

Get a free API key →

curl -X POST https://snaptools.dev/api/v1/tools/json-to-csv \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"json":"[{\"name\":\"Ada\",\"age\":36},{\"name\":\"Linus\",\"age\":54}]"}'