Online Excel File Opener
View, search, and analyze XLSX and XLS files instantly. Secure local processing ensures your confidential data never leaves your device.
Secure
Private Sync
Instant
Real-time
PRO-UI
Clean View
Free
Forever
Drop Excel Files
Click to browse or drag and drop (XLSX, XLS)
Advanced Data Analysis
Optimized for business intelligence
Ultra Fast
Native WASM-powered processing handles thousands of rows without any performance degradation.
Privacy Pro
Zero data collection. Your spreadsheets stay on your machine, always secure and private.
Smart Filter
Instant search across all cells in the active sheet. Find exactly what you need in seconds.
Multi-Sheet
Seamlessly navigate through multiple worksheets with our high-speed tab system.