Excel Compare
Side-by-side Excel comparison with instant highlighting.
Key Features of Excel Compare
Free & No Installation
Enjoy a powerful, professional-grade comparison tool completely for free—no software to install, no accounts to create, just open and use.
100% Private & Secure
Your files are processed strictly within your browser and never uploaded to any server, ensuring your sensitive business data stays on your device.
Universal Format Support
Seamlessly compare a wide range of spreadsheet formats, including .xlsx, .xls, and .csv, without the need for manual conversion.
Smart Synchronized Scrolling
Automatically syncs the view of both spreadsheets as you scroll, keeping rows perfectly aligned so you can compare data side-by-side effortlessly.
Instant Difference Highlighting
Changes, additions, and deletions are color-coded instantly, helping you spot even the smallest discrepancies at a simple glance.
High-Speed Performance
Optimized to handle massive spreadsheets smoothly, giving you fast and lag-free comparisons regardless of file size.
Frequently Asked Questions
Have another question? Contact us at support@excelcompare.org
What is the best way to compare two Excel files for differences online?
Excel Compare offers the most intuitive solution. Unlike manual checking, our tool automates the process. Simply upload your original and modified sheets, and the system will instantly identify data discrepancies. It acts as a visual "diff tool" specifically designed for spreadsheets, making it the best tool to compare two Excel files without complex setups.
How do I compare sheets side by side without extra software?
You don't need to install heavy desktop software. Excel Compare runs directly in your browser. It features smart synchronized scrolling, meaning when you scroll one sheet, the other moves automatically. This allows for a perfect side-by-side comparison of rows and columns to spot changes immediately.
Can this tool automatically highlight changes between Excel spreadsheets?
Yes. Our engine is designed to automatically highlight changes with distinct colors. Modified cells, added rows, and deleted data are color-coded (e.g., green for additions, red for deletions). This visual approach is much faster than standard Excel formulas for finding data discrepancies.
Is this tool easier than using VLOOKUP to compare data in 2 sheets?
Absolutely. Using VLOOKUP or Index/Match formulas requires writing complex code and is prone to errors if data types don't match. Excel Compare requires zero coding. It is the easiest way to compare two sets of data visually, saving you hours of time typically spent debugging formulas.
Can I compare two columns for matches instead of differences?
Yes. While our primary focus is highlighting differences, the tool implicitly helps you verify matches. By seeing which rows remain unhighlighted (white/neutral), you can quickly correlate two data sets and confirm which records are identical, ensuring data integrity between versions.
Is it safe to use free online services to compare Excel files?
Most online converters upload your data to a server, which is a risk. However, Excel Compare is unique: we use client-side processing technology. Your data never leaves your computer; the comparison happens entirely within your browser. It is the most secure way to compare Excel sheets for differences online.
Can I compare large Excel files with thousands of rows?
Yes. Our engine is optimized for high performance. Whether you need to compare large Excel files or simple lists, the tool handles heavy datasets smoothly without the lag often seen in other web apps. We support files with extensive row counts, ensuring you can analyze big data efficiently.
Is Excel Compare completely free to use?
Yes, we are one of the few truly free online services to compare Excel files. There are no hidden subscription fees, no "Pro" versions for basic features, and no credit card required. You get full access to professional comparison features at no cost.