Free JSON to CSV Converter
Paste JSON or upload a .json file — get a clean CSV instantly. Nested objects are flattened automatically. Nothing is uploaded. No signup required.
Who uses JSON to CSV Converter?
Real teams solving real problems — see if your use case is here.
E-commerce Manager
Retail / E-commerceShopify product export arrives as nested JSON with a variants array per product. Needs a flat spreadsheet to share pricing with the buying team — nobody on the team knows JSON.
Auto-flattens variants.0.price, variants.1.price into columns. Opens directly in Excel. Buying team reviews 600 SKUs in minutes.
Marketing Analyst
Digital MarketingGoogle Analytics 4 Data API returns report data as JSON. Analyst needs it in a spreadsheet for the weekly stakeholder deck — no data engineering support until next week.
Pastes the JSON response, downloads CSV, pastes into the deck. Entire process takes under 3 minutes with no code.
Business Analyst
Finance / BankingA third-party fintech API returns transaction data as JSON with nested metadata objects. The finance director wants it in Excel for an upcoming review.
Flattens the nested 'metadata' object into dot-notation columns. 8,000 transactions become an Excel-ready spreadsheet in seconds.
No-Code Developer
SaaS / StartupsAirtable webhook fires JSON payloads that a Zapier zap stores. The business owner needs a spreadsheet history to share with the board each month.
Monthly JSON dump converted to CSV, shared via Google Drive link. Zero code written, board has the data they need.
How to convert JSON to CSV online
Paste your JSON or upload a file
Paste JSON directly from an API response, a file, or a database export. Or click 'Upload .json file' to load a file from your computer.
Click Convert
The tool validates the JSON, unions all keys across all objects, flattens nested objects using dot notation, and generates a CSV string in milliseconds.
Download or copy your CSV
Click Download to save a .csv file, or Copy CSV to paste directly into Excel, Google Sheets, or another tool. The download is always the full output — the preview is truncated for display.