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Excel Merger

Merge Excel files online for free. Combine multiple XLSX or XLS files into one workbook instantly — no login required.

1
Upload Files
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Options
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Merging
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Download
📂

Drag & drop your Excel files here

or click anywhere to browse

.xlsx  ·  .xls  ·  Multiple files

ℹ️ Files merge top-to-bottom. The first file is the base — subsequent files append into matching sheets.

Advanced Options
Files have a header row
First row is used as column names
Remove duplicate rows
Skip identical rows already seen from an earlier file
Output filename
Name for the downloaded file
.xlsx
Merging your files...
Running entirely in your browser — nothing is uploaded.
0%
Your files are processed entirely in your browser. Nothing is uploaded.
Merge Complete!
Your merged Excel file is ready to download.
📊
Merge Log
SheetResultDetails

Merge Excel Files Online — Combine XLSX & XLS Instantly

Merge Excel files online quickly and reliably. This tool lets you combine multiple XLSX or XLS files into a single workbook without copying and pasting data manually. This page provides a simple and complete solution to merge Excel files online without downloading any software.

Whether you're working with reports, exports, or datasets, you can upload your files, arrange them in order, and merge everything into one structured Excel file in seconds. It’s one of the simplest ways to combine multiple Excel files without installing software.

Need to work with documents too? You can also merge PDF files using our PDF tool.

Why Merge Excel Files?

Managing multiple Excel files can quickly become inefficient. Switching between files, copying rows, and keeping everything aligned takes time and often leads to errors.

Merging lets you centralize your data into one clean workbook, making it easier to analyze, share, and maintain.

If you're working with document files, you can also convert files to PDF using our PDF converter.

How to Merge Excel Files Online

Upload your Excel files (.xlsx or .xls), arrange them in the correct order, and click merge. The tool automatically combines sheets into one workbook.

Sheets with the same name are merged row by row, while unique sheets are preserved as separate tabs. Once complete, your merged file is ready to download instantly.

When Should You Use an Excel Merger?

Use this tool when:

• You need to combine multiple Excel files into one

• You are consolidating reports or datasets

• Your files share a similar structure

If you're unsure, this tool is best when your goal is simple consolidation—not complex data transformation.

It may not be ideal if:

• Your files have completely different formats or columns

• You need advanced data cleaning or transformation

Excel vs CSV Merging — What’s the Difference?

Excel files support multiple sheets, formatting, and formulas, while CSV files store raw tabular data without formatting.

If you only need to combine simple datasets, a CSV tool may be faster. But for structured reports, Excel merging preserves layout and organization.

You can also merge CSV files, clean your data, or combine TSV files depending on your workflow.

Why This Excel Merger Is Faster & More Private

Unlike most online tools, this Excel merger runs entirely in your browser. That means no uploads, no waiting queues, and no risk of your files being stored on external servers.

Processing happens instantly on your device, giving you faster results and full control over your data.

Common Use Cases

Marketing & PPC reporting — Combine campaign exports into a single Excel file

Business reporting — Merge weekly or monthly reports

CRM data — Join customer or lead exports

Data consolidation — Combine files from multiple tools or teams

Is It Safe to Merge Excel Files Online?

Yes. This tool runs entirely in your browser, so your files are never uploaded or stored on any server.

Your data stays on your device, making it safe for sensitive spreadsheets, business reports, and private files.

Frequently Asked Questions

Can I merge Excel files without losing data?
Yes. The tool combines rows while preserving sheet structure.

Can I merge Excel files with different columns?
It works best when files share a similar format. Different structures may lead to mismatched data.

Is this Excel merger really free?
Yes. You can merge Excel files online without limits or signup.

Do I need to install anything?
No. Everything runs directly in your browser.

Can I merge large Excel files?
Yes, but performance depends on your device since processing happens locally.

What is the best way to merge Excel files online?
The easiest way is to use a browser-based tool like this, which lets you upload, arrange, and merge files instantly.

Last updated: March 2026 — Updated regularly to improve performance and compatibility.

About This Tool

Excel Merger — Merge Excel Files Without Any Software

This tool is part of ToolTab — a free collection of utilities built for marketers, PPC managers, and data workers. No installs, no accounts, no data sent to any server.

Have a suggestion or found a bug? Let us know.

How It Works

📂 Upload your files

Drop multiple .xlsx or .xls files. The first file is the base — others are merged into it in order.

🔀 Sheets are matched by name

Worksheets with the same name are merged row by row. Sheets unique to one file are carried over as-is.

⬇ Download the result

Your merged file is generated in the browser and downloaded directly — nothing is sent to a server.