Migrate JSON Data to a Spreadsheet

Move data out of a JSON export and into Excel for cleanup.

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JSON (array of objects)

💡 Converts a JSON array of objects into a spreadsheet — the keys become columns. Nested objects are flattened to dotted column names (e.g. address.city). Everything runs in your browser; your data is never uploaded.

data migration tips

🔄

Export from one system as JSON, convert here, then clean and re-import via spreadsheet.

🧱

Flattening makes nested records editable as plain columns.

🧹

Use a spreadsheet's find/replace and formulas to tidy data the JSON made awkward.

🔒

Your data stays on your device throughout.

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Ewch i mewn

Enter your data into the tool above. Everything stays local to your browser.

Proses

The tool processes your data instantly in your browser using JavaScript. No server, no waiting.

Lawrlwythwch

Get your result instantly. Nothing is stored after you leave the page — complete privacy.

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🔌

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Paste a JSON API response and download it as Excel

📈

Build a Report from JSON

Convert exported JSON data into a shareable Excel

🤝

Share JSON with Non-Technical People

Give teammates JSON data in a spreadsheet they can

⚙️

Review JSON Config as a Table

See a JSON array of config or records laid out as

Cwestiynau Cyffredin

Back to JSON to Excel