Install Zayenha Tools on your device
Quick access from your home screenMerge many Excel and CSV files into one workbook (a sheet per file, or stacked rows that match columns by name with the header kept once), or split a sheet into files by the value of a column (city, branch, employee) or by row count — in the order you choose, with a ZIP download, in your browser with no upload. Running the tool requires an account; the free account includes 10 one-time operations on eligible tools.
Drop Excel or CSV files here or click to choose
Your file stays on your device — nothing is uploaded
Merge many Excel and CSV files into one workbook (a sheet per file, or stacked rows that match columns by name with the header kept once), or split a sheet into files by the value of a column (city, branch, employee) or by row count — in the order you choose, with a ZIP download, in your browser with no upload
You can preview the tool without an account. Running it requires an account; the free account includes 10 one-time operations, with plans for ongoing use.
Processing varies by tool: file editing tools process selected files in the browser, while others may call a server or external provider. Check the tool description and privacy policy before entering sensitive data.
The site adapts to mobile and desktop screens, but some functions depend on browser and device support.