Convert JSON → XLSX Online — Free
Export JSON arrays to Excel XLSX spreadsheet format.
Drag & drop or click to browse
Accepts .json files up to 10 MB
Free plan includes 10 conversions/day. Need more? Talk to us →
What is a .json file?
JSON is a widely-used format in the Data Format category. Export JSON arrays to Excel XLSX spreadsheet format. Files in this format are commonly used across various tools, pipelines, and workflows.
What is a .xlsx file?
XLSX is a popular format in the Data Format ecosystem. Converting from JSON to XLSX gives you access to its unique features, broader tooling support, and improved interoperability.
How to convert JSON → XLSX online
Upload your file
Drag & drop your .JSON 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 .XLSX" to save your converted file. Files are securely deleted after 1 hour.
Frequently asked questions
Is this JSON to XLSX converter free?
Yes. The JSON → XLSX 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 JSON?
You can convert files up to 10 MB. If your file is larger, consider compressing it first or upgrading to a Business plan for increased limits.
What is the difference between JSON and XLSX?
JSON and XLSX are both formats in the Data Format category, each with different use cases, tooling support, and feature sets. Export JSON arrays to Excel XLSX spreadsheet format.
Can I convert multiple files at once?
Batch conversion is available on Pro and Business plans. Free users convert one file at a time.