JSON to Excel

Web MCP対応
JSON Input
0 文字

Start by Entering JSON Array

Enter a JSON array in the editor above to generate an editable Excel spreadsheet.

How to Use

  1. 1Paste or type your JSON array into the input area above
  2. 2JSON data is automatically detected and parsed as you type
  3. 3Object keys become column headers
  4. 4Object values become row data
  5. 5Edit the Excel table directly in the editor below
  6. 6Use search and replace to find and modify content
  7. 7Use undo/redo to revert changes (Ctrl+Z / Ctrl+Y)
  8. 8Add/remove rows and columns using toolbar buttons
  9. 9Click Download Excel button to save as .xlsx file

Features

Instant conversion with real-time preview
Fully editable Excel-like table editor
Support for JSON arrays of objects
Object keys automatically become column headers
Supports nested JSON objects (flattened)
Handles various data types (strings, numbers, booleans)
Search and replace functionality
Undo and redo support (Ctrl+Z / Ctrl+Y)
Add/remove rows and columns
Client-side processing, no server required
Preserves data integrity
Dark mode support
Files never uploadedProcessed in your browserCleared instantly when you leave

JSON to Excel Converter FAQ

Answers to the most common questions about using this converter.

What JSON format does the converter accept?

It accepts an array of objects, where each object becomes a row and its keys become column headers. Nested objects are flattened.

Can I edit the JSON data after conversion?

Yes, the spreadsheet editor lets you modify any cell before downloading the final Excel file.

Is JSON to Excel free?

Yes, the tool is completely free with no sign-up, no file limits, and no watermark.

How do I convert JSON to an Excel file?

Paste your JSON array, review and edit the data in the built-in spreadsheet editor, then click Download to get an .xlsx file with your data organized into rows and columns.

Can I export multiple sheets?

Yes, if your JSON contains multiple arrays, each array is exported as a separate sheet in the same workbook, keeping related data together.

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Your data stays yours

Unlike most online converters, ConvTop runs all processing locally in your browser.

100% Local Processing
Every conversion runs in your browser
Zero Uploads
Files never leave your device
Auto-Cleared
Data is gone the moment you leave
Completely Free
No sign-up, no limits, no watermark