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Saor JSON to Excel

Convert a JSON array of objects into an Excel (XLSX) or CSV spreadsheet. Nested objects become dotted columns. Runs entirely in your browser — no upload.

Runs in your browserNo sign-up, no pop-upsNíl gá le logáil isteachSaor in aisce go deo

💡 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.

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Turn an API Response into a SpreadsheetBuild a Report from JSONShare JSON with Non-Technical PeopleMigrate JSON Data to a SpreadsheetReview JSON Config as a Table

Conas a Oibríonn sé

Turning a JSON API response or export into a spreadsheet for a colleague usually means a server-side converter. This does it in your browser with SheetJS.

  1. 1
    You paste JSON
    An array of objects (or an object of objects). It's parsed locally — nothing is uploaded.
  2. 2
    Keys become columns
    Each object becomes a row; nested objects are flattened to dotted column names (e.g. address.city) and arrays are stringified.
  3. 3
    You preview the table
    A live grid shows how the data maps to rows and columns before you export.
  4. 4
    Download XLSX or CSV
    SheetJS (loaded from its CDN) writes a real Excel file or a CSV, generated entirely on your device.

API responses and exports often contain personal or business data. Converting locally means none of it is sent to a server.

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✓Completely free — no hidden costs, ever
✓No account, email, or login required
✓Runs entirely in your browser — no uploads
✓Works on any device — phone, tablet, desktop
✓Open and ad-supported, with no tracking
✓Loads fast, with no installation needed

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