Excel to JSON online

Convert between Excel spreadsheets and JSON data

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Quick start: Excel ↔ JSON in 3 steps

  1. Upload .xlsx or paste JSON
  2. Pick direction and header mapping
  3. Download/copy, then spot-check rows before importing

Excel ↔ JSON: curated examples

  • •Example: ops spreadsheet → JSON array for front-end mocks.
  • •Example: API `items` → Excel for business review.

About Excel ↔ JSON

Convert .xlsx and JSON in the browser: map headers to fields, handle multiple sheets, or export JSON back to a downloadable workbook. Files stay on your device.

Built for quick fixtures between ops spreadsheets and API JSON. Merged cells, macros, and pivot tables still belong in Excel itself.

How Excel ↔ JSON works

A one-off pandas/xlsx script is heavy for a single conversion; raw CSV often drops sheet structure. This page fits short jobs.

Type inference, Excel date serials, and empty cells may not match your backend — spot-check rows before import. Large ETL still belongs in scripts and pipelines.

Why use Excel ↔ JSON on WoDeTool

Use JSON, YAML, CSV, and Excel tools beside Excel ↔ JSON, then validate or Diff the converted result immediately.

Use Smart Clipboard on the home page to auto-detect pasted JSON, Base64, or JWT and jump to Excel ↔ JSON. Save a tool pipeline to chain Excel ↔ JSON with related utilities. Read our guides for real-world workflows.

Create a pipeline →Browse guides →

Common use cases

  • •Build API fixtures: Turn the first sheet of users.xlsx into a JSON array for a front-end mock.
  • •Review API results: Export a paginated items array to Excel for business review.
  • •Multi-sheet config: Export products and prices sheets as separate JSON documents.

Frequently asked questions

Is Excel ↔ JSON free to use?
Yes. Excel ↔ JSON on WoDeTool is completely free with no sign-up required. Open the page and start using it immediately.
Are Excel files uploaded?
Parsing and export run in the browser — files are not uploaded to WoDeTool servers.
What about multiple sheets?
Multi-sheet flows are supported (see page options). Spot-check header mapping and date cells before import.

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