Secure server processing

Convert JSON to Excel XLSX

Convert JSON data arrays and objects into a structured Excel XLSX spreadsheet.

Selecting a file does not upload it. Upload and convert sends it to temporary server storage. One file at a time; 25 MiB maximum.

Drop files here or click to upload

Supported formats: .json

Choose Files

Max 25 MB per file•Up to 1 files

Uploaded only after you choose Upload and convert; temporary server processing

How it works

Select a JSON file containing tabular records.
Upload and convert to Excel XLSX.
Download and open your formatted workbook.

Generates a clean spreadsheet workbook with styled header rows derived from JSON object keys, auto-sizing columns for readability.

Supported documents and limitations

Maximum file size: 25 MiB, up to 50,000 rows. Input must be a JSON array of objects or 2D array.

Temporary server processing

Your file is uploaded only when you choose to convert. An isolated worker processes it without network access. Uploaded files expire after one hour; completed outputs expire one hour after completion. Failed, cancelled or deleted jobs become eligible for immediate cleanup. Service outages can delay physical deletion; a previously issued download link can remain valid briefly. Clear files to request early deletion. Downloads saved on your device remain there.

PDF processing is limited to 200 pages; HTML and reverse conversions have the stricter limits listed above. Complex files may reach time, memory or scratch limits sooner. No malware-free, perfect-fidelity or certified-accessibility claim is made.