XLSX to JSON
XLSX to JSON is a free online document converter for changing XLSX and XLS files into JSON files. XLSX to JSON accepts 4 MIME types, returns application/json, includes 2 settings, and runs in your browser on the device.
Drop .xlsx / .xls file here
or click to choose
Options
Key facts
- Input
- 2 formats: XLSX and XLS (application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.ms-excel, application/octet-stream, )
- Output
- JSON (application/json)
- Runtime
- your browser on the device
- Settings
- 2 controls: Sheet name and Output shape
- File mode
- 1 input file creates 1 output file
- Cost
- $0, no account required
How to use XLSX to JSON
- 1
Open your XLSX, XLS file
Drop your XLSX, XLS file onto the page, or click to browse and pick one from your device.
- 2
Choose options
Adjust the conversion options to suit your needs. Defaults work well for most inputs.
- 3
Convert and download
Click Convert. Your JSON file is ready to download in seconds.
XLSX to JSON details
First, XLSX to JSON reads XLSX and XLS source files and prepares JSON output for the document workflow. Next, The visible controls are Sheet name and Output shape. Additionally, Files and text stay in the browser session.
Drop in a.xlsx or.xls workbook and download a JSON document. In "Array of objects" mode (default), the first row is used as object keys and each subsequent row becomes a keyed object. In "Array of arrays" mode, every row is emitted as a list of cell values; useful for sparse or header-less sheets. By default the first worksheet is exported; specify a sheet name to pick a different one. Output is pretty-printed with 2-space indentation. Conversion runs entirely in your browser; your workbook never leaves your device.
Common searches
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Related tools
Tools that work with the same formats — most users open one of these next.
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XLSX to CSV
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CSV to XLSX
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Frequently asked
What is XLSX to JSON?
XLSX to JSON is a free online document converter for changing XLSX and XLS files into JSON files. XLSX to JSON accepts 4 MIME types, returns application/json, includes 2 settings, and runs in your browser on the device.
What files does XLSX to JSON accept and create?
XLSX to JSON accepts XLSX, XLS files (application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.ms-excel, application/octet-stream, ) and creates JSON files (application/json). The page includes 2 settings: Sheet name and Output shape.
Do my files and data stay private?
Yes. XLSX to JSON runs entirely in your browser using your device's CPU. Files and text are never uploaded to our servers, so your data stays private.
How do I use XLSX to JSON?
Open XLSX to JSON, drop in your XLSX, XLS file, choose any options, and click Convert. Your browser does the work locally and produces a JSON file you can save right away.
What is the maximum file size for XLSX to JSON?
Because XLSX to JSON runs in your browser, the maximum size depends on your device's available memory. Most modern phones and laptops handle files up to a few hundred MB without issues.