Cell Stitch
Free Online Excel Tools | Lock, Unlock, Convert, Merge & Split Excel Files
Free Online Excel Tools by Cell Stitch
Cell Stitch provides free online Excel tools designed to make spreadsheet manipulation easy and efficient. Whether you need to convert Excel files between formats, merge multiple spreadsheets, split large files, password protect, or unlock password-protected files, our suite of tools handles your Excel needs right in your browser – no installation required.
All processing happens locally in your browser, ensuring your sensitive data remains secure. Our tools support a wide range of formats including XLS, XLSX, CSV, and more, making Cell Stitch your go-to solution for Excel file management.
Popular Excel Processing Tasks
File Conversion
Convert Excel files between XLSX, XLS, CSV, and other formats. Perfect for updating old spreadsheets or preparing data for different systems.
File Merging
Combine multiple Excel files into one. Ideal for consolidating reports, merging data sets, or creating comprehensive spreadsheets.
File Splitting
Split large Excel files into smaller ones by rows, sheets, or custom criteria. Perfect for sharing data or creating individual reports.
Password Protecting Files
Easily add password protection to Excel files for secure sharing and storage. Keep your sensitive data safe and accessible only to authorized users.
Unlocking Password-Protected Files
Unlock password-protected Excel files to regain access to forgotten or locked documents. Quick and simple removal of passwords directly in your browser.