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Excel To JSON Converter

Read an XLSX workbook with the pinned local SheetJS library and convert the selected data. Up to 5 MB, 10,000 rows and 100 columns per sheet.

Free to useNo sign-upRuns in your browser
Enter your details

Enter the inputs, then select Convert workbook.

XLSX up to 5 MB, 20 sheets and 100,000 populated cells; up to 10,000 rows and 100 columns per sheet.

Your result
Enter your details

Result will appear here

How Excel To JSON Converter works

Read an XLSX workbook with the pinned local SheetJS library and convert the selected data.

Up to 5 MB, 10,000 rows and 100 columns per sheet. No macros or formula calculation; cached values only. Styles, charts and external links are omitted. At most 20 sheets and 100,000 populated cells. Date cells use stored serial values; formulas use existing cached values without recalculation.

Concept diagram for Excel To JSON Converter, showing source xlsx workbook input and the supported output.
Concept diagram; the three operation images are actual browser captures.

How to use Excel To JSON Converter

Start with your own input.

Choose source xlsx workbook

Choose a supported local file. Up to 5 MB, 10,000 rows and 100 columns per sheet.

Input and settings
Excel To JSON Converter: input and settings in the implemented browser tool
Actual local browser view. Open the image to read it at full size.

Set the options

Set sheet name (blank uses the first).

Tool result
Excel To JSON Converter: tool result in the implemented browser tool
Actual local browser view. Open the image to read it at full size.

Run and check the output

Select Convert workbook. Review JSON records from the selected workbook sheet, then use Copy result or download the result file.

Review the details
Excel To JSON Converter: review the details in the implemented browser tool
Actual local browser view. Open the image to read it at full size.

When to use Excel To JSON Converter

Export a worksheet locally

To export a worksheet locally, start with source xlsx workbook. Read an XLSX workbook with the pinned local SheetJS library and convert the selected data.

Tabular source records represented by a spreadsheet grid.
Prepare tabular records. Concept illustration.

Prepare a data-only interchange file

To prepare a data-only interchange file, start with source xlsx workbook. Up to 5 MB, 10,000 rows and 100 columns per sheet.

Table columns and cell arrangements shown for review.
Inspect the columns. Concept illustration.

Inspect a simple workbook

To inspect a simple workbook, start with source xlsx workbook. Review JSON records from the selected workbook sheet, then use Copy result or download the result file.

A table prepared for another data workflow.
Continue with the table output. Concept illustration.

How to read the result

Check what the output means.

JSON records from the selected workbook sheet. Read an XLSX workbook with the pinned local SheetJS library and convert the selected data.

Up to 5 MB, 10,000 rows and 100 columns per sheet. No macros or formula calculation; cached values only. Styles, charts and external links are omitted. At most 20 sheets and 100,000 populated cells. Date cells use stored serial values; formulas use existing cached values without recalculation.

Table cells and source records represented for interpretation.
Understand rows and cells. Concept illustration.

Supported input and limits

Check the format before processing.

Up to 5 MB, 10,000 rows and 100 columns per sheet. No macros or formula calculation; cached values only. Styles, charts and external links are omitted. At most 20 sheets and 100,000 populated cells. Date cells use stored serial values; formulas use existing cached values without recalculation.

Inputs and results are handled in this browser.

Tabular structure reviewed before using the output.
Check structure and interpretation. Concept illustration.

Convert workbook with your input

Review JSON records from the selected workbook sheet, then use Copy result or download the result file.

Convert workbook

Excel To JSON Converter: common questions

Answers about using Excel To JSON Converter and understanding its results.

What does this tool support?

Up to 5 MB, 10,000 rows and 100 columns per sheet. No macros or formula calculation; cached values only. Styles, charts and external links are omitted. At most 20 sheets and 100,000 populated cells. Date cells use stored serial values; formulas use existing cached values without recalculation.

Can I save the result?

Yes. Download the result file after processing. Text results also have Copy result. Processing uses local browser code; no account is required.