Excel Sheet Merger: Combine XLS & XLSX Files Online
Consolidate your data instantly with the Excel Sheet Merger. This free, browser-based tool allows you to merge multiple Excel workbooks and individual sheets into a single, organized file without the need for complex software.
📊 What is the Excel Sheet Merger?
The Excel Sheet Merger is a streamlined utility designed for data analysts, students, and professionals who need to combine spreadsheets quickly. It intelligently extracts data from every sheet in your uploaded files and merges them into one master .xlsx file.
Key Features
- Broad Compatibility: Full support for both modern
.xlsxand legacy.xlsExcel formats. - Intelligent Consolidation: Automatically identifies the header row from your first file and prevents duplicate headers in the final document.
- Privacy-First Processing: Your files never leave your computer. All merging is performed locally in your browser using XLSX.js.
- Multi-Sheet Extraction: The tool doesn't just merge files; it dives into every individual sheet within those files to capture all your data.
- Zero Installation: A completely client-side tool that works in any modern web browser.
🛠 How to Use
- Select Your Files: Click the "Select Excel Files to Merge" button and choose all the
.xlsor.xlsxdocuments you wish to combine. - Verify Selection: Ensure your chosen files appear in the queue (the tool will filter out unsupported formats automatically).
- Merge: Click "Merge Sheets". A loading indicator will appear while the tool processes your data locally.
- Download: Once the "Success" message appears, click "Download Merged File" to save your consolidated
merged_excel_sheets.xlsxfile.
📈 Why Choose This Merger?
- Speed up Data Management: Eliminate the manual "copy-paste" routine when dealing with dozens of monthly reports or data exports.
- SEO & Data Ready: Cleanly formatted output makes your data ready for immediate analysis or upload into other SEO and business intelligence tools.
- High Security: Because the tool runs entirely on the client side, sensitive business data is never exposed to external servers.
- Modern Aesthetic: A minimalist, high-contrast interface powered by Tailwind CSS and the Inter font family for a professional experience.
⚙️ Technical Specifications
- Core Library: XLSX.js (SheetJS) for robust spreadsheet parsing.
- Output Format: Industry-standard
.xlsx. - Processing: 100% Client-side (Local Browser).
- Styling: Responsive design for desktop and mobile utility.