Excel в JSON

Преобразование данных электронной таблицы Excel в формат JSON с заголовочной строкой и выводом типов

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About This Tool

The Excel to JSON Converter converts excel/xlsx spreadsheet data to json format with flexible output options, type inference, and multi-sheet support. All processing happens client-side in your browser, ensuring your data remains private and secure. Perfect for developers who need quick, reliable processing without compromising on privacy or security.

How to Use This Tool

Paste EXCEL Source Data

Enter the EXCEL data you want to convert. The tool automatically validates your EXCEL input and shows any syntax errors before conversion. Ensure your EXCEL is valid for best results.

Configure Conversion Options

Adjust conversion settings like indentation, handling of EXCEL-specific features, and JSON output style. Smart defaults work for most cases, but you can customize how EXCEL structures map to JSON.

Review JSON Output

The converted JSON appears in real-time. Review carefully to ensure data integrity is maintained. Copy to clipboard or download the JSON file. Verify the output with our JSON validator if needed.

Technical Implementation

This tool is built using modern JavaScript and runs entirely in your web browser. All operations complete in milliseconds for typical inputs, with performance optimized for both speed and accuracy. The implementation is client-side only - your data never leaves your device. The tool works offline once loaded, requires no cookies, and includes no tracking. Supported browsers include Chrome 90+, Firefox 88+, Safari 14+, and Edge 90+. The tool is mobile-responsive and works on tablets and smartphones.

Best Practices & Tips

✓Validate input before conversion. Ensure your EXCEL is valid before converting to JSON. Invalid EXCEL often produces unexpected JSON results.
✓Review conversion results. Spot-check the JSON output to ensure data structure and values are preserved correctly. Pay special attention to nested objects and special characters.
✓Handle conversion edge cases. Test with empty values, null fields, special characters, and large datasets. EXCEL-to-JSON conversion can have nuances that require attention.
✓Use related tools in sequence. After conversion, use our JSON formatter and validator to ensure the output is clean and valid. This creates a reliable conversion workflow.

Troubleshooting Common Issues

Problem: Conversion output is missing data or incorrect

Solution: First validate your EXCEL input. Invalid EXCEL often converts to incomplete JSON. Also check if the data structure is compatible - some EXCEL features may not have JSON equivalents.

Example: EXCEL comments or special attributes might not convert to JSON if JSON doesn't support those features.

Problem: Special characters appear corrupted after conversion

Solution: Ensure your EXCEL uses proper character encoding (UTF-8). Special characters, emojis, or international text require consistent encoding throughout the conversion process.

Example: If you see � or garbled text, your source EXCEL might not be UTF-8 encoded.