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Your data stays on your device and is never sent to our servers.
Choose a grouping column and generate a workbook containing a separate sheet for each detected value.
Your files are processed locally in your browser and are never sent to our servers.
Drop your file here
Recommended size: up to 30 MB
Split an Excel table into multiple worksheets based on values from a grouping column.
Your data stays on your device and is never sent to our servers.
Clean, structure, and transform your data with rules tailored to the format being processed.
CSV, XLSX, and other tabular formats depending on each tool’s capabilities.
Get a clean, ready-to-use result in seconds without installing software or configuring a complex workflow.
Guide
Add the file to split.
Select the field used to create groups.
Download a workbook with one sheet per group.
They are derived from column values and adjusted to Excel worksheet naming constraints.
No. Processing happens locally in your browser.
Yes. The tool is free and requires no account.
Discover when to split a large table by row count or by a column value, and how to preserve a useful structure in every output file.
Learn how to align headers, verify schemas and combine several CSV or Excel files while avoiding duplicated or shifted columns.
Understand delimiters, encodings, types, nested JSON and spreadsheet features before converting data between CSV, Excel, JSON and TSV.
Learn a practical order for removing empty rows, trimming values, standardizing headers, checking identifiers and validating a CSV or Excel dataset.
Recommended workflow
Discover tools that naturally fit before, after, or alongside this one.
Merge multiple Excel or CSV files into one table with automatic column alignment.
Remove duplicates, empty rows and unnecessary spaces.
Compare two Excel or CSV files using a key column and spot the differences.