Excel to JSON
Export spreadsheet rows as JSON data.
Excel to JSON
About Excel to JSON
Convert Excel spreadsheets (.xlsx) into structured JSON arrays. Transform tabular business data into structured objects ready for APIs, web apps, and code development.
How to use Excel to JSON
Add your file
Choose a file or drag it onto the upload box. We check that the file type and size are supported.
Pick your options
Change the settings shown next to the file if you need to. The defaults work for most files.
Download the result
Click the main button, then download your new file. Check it before you share or submit it.
What it does
- ✓Parses spreadsheet rows into clean JSON object arrays using column headers as keys
- ✓Supports nested structures and automatic type coercion for numbers and booleans
- ✓Interactive JSON preview with one-click copy and JSON file download
- ✓Executes entirely client-side for confidential financial and proprietary data
When to use it
Convert spreadsheet data into JSON mock data, configuration files, or database seeds.
Transform client spreadsheets into structured JSON payloads for REST and GraphQL APIs.
Convert translation tables into JSON language resource bundles.
Bridge legacy Excel workflows with modern web database architectures.
Tips
- •Ensure the first row of your Excel sheet contains clean, descriptive column headers with no empty cells.
- •Use the JSON preview window to inspect data types (strings vs. numbers) before downloading.
- •Formatted numbers (like currency symbols) may export as strings; clean headers for optimal JSON keys.