Convert XLSX → JSON Online — Free
Extract spreadsheet data from Excel XLSX files to JSON.
Drag & drop or click to browse
Accepts .xlsx files up to 20 MB
Free plan includes 10 conversions/day. Need more? Talk to us →
What is a .xlsx file?
XLSX is a widely-used format in the Data Format category. Extract spreadsheet data from Excel XLSX files to JSON. Files in this format are commonly used across various tools, pipelines, and workflows.
What is a .json file?
JSON is a popular format in the Data Format ecosystem. Converting from XLSX to JSON gives you access to its unique features, broader tooling support, and improved interoperability.
How to convert XLSX → JSON online
Upload your file
Drag & drop your .XLSX file onto the upload zone, or click "Browse" to select it.
Validate & preview
The tool checks the file type and size before uploading. Invalid files are rejected immediately with a clear error.
Convert on the server
Click "Convert" to upload and process your file. Server-side conversion typically takes ~5 seconds.
Download your result
When done, click "Download .JSON" to save your converted file. Files are securely deleted after 1 hour.
Frequently asked questions
Is this XLSX to JSON converter free?
Yes. The XLSX → JSON tool is free for up to 10 conversions per day. Pro (100/day) and Business (unlimited) plans unlock higher limits.
Is my file secure on the server?
Your file is uploaded over an encrypted HTTPS connection to a secure server worker. The converted file is stored temporarily and automatically deleted after 1 hour. We never share or store your files longer than necessary.
What is the maximum file size for XLSX?
You can convert files up to 20 MB. If your file is larger, consider compressing it first or upgrading to a Business plan for increased limits.
What is the difference between XLSX and JSON?
XLSX and JSON are both formats in the Data Format category, each with different use cases, tooling support, and feature sets. Extract spreadsheet data from Excel XLSX files to JSON.
Can I convert multiple files at once?
Batch conversion is available on Pro and Business plans. Free users convert one file at a time.