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ONLINE TOOL

Merge Excel workbooks

Combine sheets from multiple XLSX/XLS/ODS files into a new workbook, with unique sheet names and cross-sheet reference checks.

Local processingNo account required
CONCRETE EXAMPLE

6 workbooks → 1 XLSX

BEFORE
18 sheets spread across 6 files
→
AFTER
1 workbook with 18 uniquely named sheets + cross-sheet reference report
PRIVACY

Your data stays in the browser

Processed content is not uploaded to WorkToolset. Required libraries may be loaded by the site, but the file stays in the browser.

GOOD TO KNOW

Limitations to know

  • Macro-enabled/signed files are intentionally excluded.
  • Cross-sheet formulas are preserved but should be reviewed when names or dependencies change.
HOW IT WORKS

A straightforward workflow.

  1. 1Prepare the required input and choose useful options.
  2. 2Review previews, warnings and limitations before export.
  3. 3Download a new copy or report: the original stays unchanged.
PRIVACY

Frequently asked questions

Are my files uploaded to WorkToolset?

No. This tool runs locally in your browser.

Is my original file modified?

No. WorkToolset creates a new copy or export.

Do I need an account?

No for this free tool. Accounts are mainly used for favorites, presets and future workflows.

RELATED TOOLS

Continue the same workflow

XLS÷Split an Excel workbook by sheetExport every XLSX/XLS/ODS sheet as a separate XLSX or CSV file in a ZIP, with cross-sheet formulas flagged for review.→XLSXInspect an Excel workbookInspect workbook sheets and dimensions, then extract a sheet to CSV or XLSX.→XLSΔCompare two Excel workbooksCompare sheets, cells, values and formulas of two Excel workbooks locally and export differences.→SQLLocal SQL LabQuery CSV, JSON and Parquet with DuckDB-WASM directly in the browser, then export results as CSV or Parquet.→
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