Free Windows tool to search across multiple Excel files and compare matching rows. Supports .xlsx, .xls, and CSV formats. All processing happens offline on your computer - no cloud upload required.
Alpha release - Linux and macOS installers coming soon
Alpha Status: SheetAtlas is in active development. Core features work well, but you may encounter bugs. Your feedback helps us improve!
Everything you need to work with Excel files efficiently
Load multiple spreadsheet files (.xlsx, .xls, .csv) simultaneously. View all sheets and data with intelligent error handling, support for merged cells, and automatic CSV delimiter detection.
Search across all loaded files, sheets, and cell content. Supports case-sensitive matching, exact matches, and powerful regex patterns with organized tree-view results.
Compare rows from different Excel files with intelligent column header mapping. Visual highlighting shows differences and similarities at a glance.
Clean, responsive interface with Fluent Design. Light and dark theme support for comfortable viewing in any environment.
Native performance on Windows, Linux, and macOS. Built with .NET 8 and Avalonia UI for consistent experience across all platforms.
100% local processing with no cloud dependencies. Your data stays on your machine, ideal for sensitive information.
Clean interface designed for productivity
Cross-platform Excel analysis tool in active development
SheetAtlas brings UI improvements, bug fixes, and memory optimizations. Built for reliable Excel file analysis across Windows, Linux, and macOS.
Building a reliable cross-platform Excel analysis tool with focus on search capabilities and data comparison features.
Interested in the project? Check out the source code, follow development progress, or contribute ideas on GitHub.
View on GitHubEverything you need to get started and master SheetAtlas
Get up and running with SheetAtlas in minutes. Learn the basics of loading files, searching, and creating comparisons.
Read Guide →Comprehensive documentation covering all features, advanced usage patterns, and troubleshooting tips.
View Docs →Want to contribute or build from source? Learn about the architecture, development setup, and contribution guidelines.
Developer Info →Get help from the community, report bugs, request features, and stay updated with the latest developments.
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