OmniConvert
Convert JSON to XLSX
Free
Convert a JSON array to an Excel spreadsheet
Drop a file or click to browse
Accepted: .json
or paste below
Free and unlimited for files up to 5 MB. No account needed.
Related Spreadsheet conversions
- Convert CSV to Excel— Convert a CSV file to an Excel (.xlsx) spreadsheet
- Convert Excel to CSV— Convert the first sheet of an Excel file to CSV
- Convert ODS to CSV— Convert an OpenDocument Spreadsheet to CSV
- Convert XLSX to ODS— Convert an Excel spreadsheet to OpenDocument format
- Convert Spreadsheet to HTML table— Render the first sheet of an Excel/ODS file as an HTML table
- Convert CSV to HTML table— Render a CSV file as an HTML table
About this conversion
Convert a JSON array to an Excel spreadsheet. This converter processes your JSON file server-side and returns a XLSX file instantly — no account, no software installation, and no file storage. Files are deleted from our servers immediately after conversion.
How to convert JSON to XLSX
- 1. Upload — drag your JSON file onto the converter above, or click to browse.
- 2. Convert — press Convert. Processing happens on secure servers in seconds.
- 3. Download — your XLSX file downloads automatically. No sign-up required.
Convert JSON to XLSX from the command line
curl --fail-with-body \
-H "Authorization: Bearer YOUR_TOKEN" \
-F "file=@input.json" \
-F "conversionId=json-to-xlsx" \
https://www.omniconvert.cloud/api/convert -o output.xlsxThe API needs a token from a credit pack, and each API conversion uses one credit. Converting on this page stays free. API documentation
Frequently Asked Questions
- How do I convert JSON to XLSX?
- Upload your JSON file above, click Convert, and download the XLSX result instantly. No account or software needed.
- Is converting JSON to XLSX free?
- Yes. It is free and unlimited for files up to 5 MB, with no account required. Larger files get 3 free conversions per day; beyond that, credit packs start at $3 and credits never expire.
- Are my files stored or shared?
- No. Files are processed in server memory and deleted immediately after conversion. File contents are never written to disk or retained.
- Do I need to install anything?
- No software installation needed. OmniConvert runs in the browser — just upload, convert, and download.
No account needed · Credits never expire · Share your token link across devices