JSON to CSV
Convert an array of JSON objects into clean CSV — locally.
See how it works
Watch a quick simulation of this tool in action — no file needed.
How to use JSON to CSV
Follow these steps — everything happens instantly in your browser.
- 1
Step 1. Paste a JSON array of objects into the input box (try the sample).
- 2
Step 2. Click Convert to CSV — keys are collected from every row in first-appearance order.
- 3
Step 3. Inspect the output, then Copy or Download as data.csv.
- 4
Step 4. Cells containing commas, quotes or newlines are wrapped and escaped automatically.
Why use this tool
Private by design
All processing happens locally in your browser. Open DevTools → Network and you'll see zero file uploads. Ever.
Instant
No upload wait, no queue, no server round-trip. Results appear the moment you drop a file.
Free & unlimited
No accounts, no watermarks, no daily caps. Use it as many times as you like, forever.
Works everywhere
Desktop, tablet or phone — every tool is responsive and installable as a PWA for offline use.
Frequently asked questions
Everything you might want to know about json to csv.
JSON Formatter
Beautify, minify and validate JSON — 100% in your browser.
JSON ↔ YAML Converter
Convert JSON to YAML and YAML back to JSON — no libraries.
Base64 Encode / Decode
Convert text to and from Base64 — Unicode-safe, no uploads.
Regex Tester
Test JavaScript regex with live match highlighting & groups.