Excel/CSV/XLS to JSON Tool

An efficient and convenient online data conversion tool， Designed for developers and data analysts, it can quickly convert Excel (.xls/.xlsx) and CSV files to standard JSON format to simplify data processing.

Core features

- Multi-format support： Compatible with Excel (.xls/.xlsx), CSV and TSV files to meet the needs of different data sources.
- Flexible Configuration： Custom field separators (e.g. commas, tabs) to adapt to various table structures.
- Optional output modes： Generate JSON arrays by rows or key-value pairs to match different development scenarios.
- Real-time preview： Built-in demo, instantly view the conversion effect to ensure data accuracy.
- Zero Installation： Purely online tool, cross-platform use, privacy protection and no registration.

How to use

1. Upload Files： Drag and drop or click to select a local Excel/CSV file.
2. Set parameters： Choose the separator (automatically recognised by default) and output format.
3. One-click conversion： The system automatically parses the data and generates structured JSON.
4. Copy/Download： Get the code directly or save it as .json file.

Applicable Scenarios

- Front-end and back-end data interaction (such as API testing, database import)
- Data analysis and visualisation (e.g. Power BI, Tableau pre-processing)
- Mobile application development (local data storage configuration) Tips： Support Chinese and English encoding, the conversion process does not store user files to protect data security.