PrivConvert

Data tool

Merge Excel

Merge multiple workbooks into a single XLSX file.

Add your input

Your file stays in this browser.

Good to knowup to 100 files · 50 MB max
Upload Excel or spreadsheet filesResult: Excel file
  • Your file stays in this browser while the tool runs.
  • Large table previews are capped; downloads keep the complete processed output.

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How it works

How to use Merge Excel online

  1. Upload Excel or spreadsheet files. The tool validates the published file type and size limits before the run.
  2. No extra setup is required; review the input and published limits before processing.
  3. Run the tool in your browser, review the result, and download the excel file.

Overview

Merge Excel with local-first browser processing

Merge multiple workbooks into a single XLSX file. Review supported input, output format, settings, browser requirements, and practical limits before starting.

Input

Upload Excel or spreadsheet files

Output

Excel file

Limits

up to 100 files · 50 MB max

Best for

Merge Excel use cases

  • Prepare the excel file for sharing, archiving, or another file workflow.
  • Process the job in your browser without creating an account.
  • Check the published limits before processing larger or unusual inputs: up to 100 files · 50 mb max.

Processing

What happens in your browser

PrivConvert uses SheetJS for this workflow. No setup needed. No special browser capability is required for typical inputs

Your file stays in this browser while the tool runs.

Related tools

Barcode GeneratorBase64 to FileCreate ZIPCSV to ExcelCSV to JSONExcel to CSV

FAQ

Merge Excel questions

See how privacy works

Is Merge Excel free to use?

Yes. This tool is free to use in your browser and does not require an account.

Are my files private?

Merge Excel uses SheetJS in the browser. Selected files are processed locally when the required browser features are available, while application, library, model, security, and limited analytics requests may load separately.

What limits should I know about?

up to 100 files · 50 MB max. Very large, encrypted, damaged, or unusual files may not be supported by every browser.