By Team Hypomnema · Data & spreadsheets
Split a CSV into row-sized parts or groups by a column, keeping headers in every downloaded file.
Use the guide alongside the working tool.
Open CSV Splitter →A workflow to try
Split a 12,000-row contact export into twelve 1,000-row files while retaining the header in every part.Use your own input and inspect the actual preview and exported result before sharing.
When to use CSV Splitter
Split a CSV into row-sized parts or groups by a column, keeping headers in every downloaded file.
Split a 12,000-row contact export into twelve 1,000-row files while retaining the header in every part.
Prepare, review and export
Open a CSV or worksheet and check its headers.
Choose rows per part, or group by a selected column.
Preview the parts and download one ZIP containing all CSV files.
Limits that affect the result
5 MB input, up to 25,000 rows, 64 columns and 200,000 cells. Up to 50 parts per export; increase rows per part or use a column with fewer distinct values. Filenames are sanitized and numbered.
Ready to apply this workflow?
Try CSV Splitter →Explore a related workflow
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Keep your original files and review the result. Found unclear instructions? Contact Team Hypomnema.