Excel to JSON

Tool Introduction: Excel to JSON Online Converter

Excel to JSON online converter is used to convert Excel files (XLSX, XLS, CSV) to JSON format. Features drag-and-drop upload, first row as field names, multi-sheet selection, and preserves Chinese characters, numbers, dates, and other original formats.

What is Excel to JSON Online Converter?

Excel to JSON online converter quickly converts between Excel files (XLSX, XLS, CSV) and JSON format. Output can be directly used for API development, configuration files, data migration, and other scenarios.

How to Use

1. Upload an Excel file or drag it onto the page.
2. Set conversion options (first row as field names, output format, etc.).
3. Click the convert button, view results, and copy or download.

Common Use Cases

• Format migration and integration between Excel and JSON
• Using Excel data in JSON ecosystem or code generation
• API data preparation and configuration file generation
• Data migration and frontend mock data creation

❓ Frequently Asked Questions FAQ

Q1: Conversion failed or result is empty?
A: Confirm the file format is .xlsx, .xls, or .csv and the file is not corrupted. If the file is password-protected, remove the password first.

Q2: What if JSON contains undefined or null?
A: This indicates corresponding Excel cells are empty. To filter empty values, fill default values in Excel before conversion, then perform data cleaning after conversion.

Q3: How to batch process multiple Excel files?
A: Currently the tool supports single file conversion. For batch processing, consider using programming languages (like Python's pandas library) or repeatedly use this tool for individual conversions.

Q4: Can converted JSON be directly used for database import?
A: Yes. Depending on database requirements, you may need to adjust JSON structure or use import tools for format adaptation.

Q5: Does it support merging multiple worksheets?
A: Currently the tool converts one worksheet at a time. To merge multiple sheets, consider converting separately and manually merging JSON data.

🎯 Key Features

• Multiple Format Support: Supports .xlsx, .xls, .csv formats
• Drag & Drop Upload: Click to select or drag files directly
• Flexible Output Format: Choose between array format or key-value format
• Multi-Sheet Support: Automatically recognizes all worksheets with sheet selection
• First Row Field Names: Intelligently identifies first row as JSON field names
• Pretty Print: Supports formatted JSON output for easy reading and debugging
• Local Processing: All data processing happens locally in the browser

📖 Usage Examples

Excel Data Example

Original Excel Table:

| Name   | Age | Department   |
|--------|-----|-------------|
| Zhang  | 25  | Engineering |
| Li     | 30  | Marketing   |

Converted JSON:

[
  {
    "Name": "Zhang",
    "Age": 25,
    "Department": "Engineering"
  },
  {
    "Name": "Li",
    "Age": 30,
    "Department": "Marketing"
  }
]

Output Format Explanation

Array of Objects:

[
  {"id": 1, "name": "Zhang"},
  {"id": 2, "name": "Li"}
]

Object with Keys:

{
  "1": {"id": 1, "name": "Zhang"},
  "2": {"id": 2, "name": "Li"}
}