CSV or TSV data files
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CSV Splitter
Divide a large CSV into row-limited parts and download them as a ZIP.
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No uploadsYour files stay on this device.
Local engineYour browser does the work.
Auto cleanupTemporary memory is released.
About this tool
Use csv splitter without uploading files
Divide a large CSV into row-limited parts and download them as a ZIP. CSV Splitter runs in the current browser session, giving you a direct result without sending the source to a Filemazing processing server.
Processing takes place in your browser tab. Temporary working data is released when you leave or reload the page.
Three steps
- Choose the source file for CSV Splitter.
- Select the pages, ranges, tracks, or output options you need.
- Extract the results and inspect the downloaded files for completeness.
Useful for
Common split csv tasks
- Using split csv without an upload queue
- Cleaning private exports
- Preparing structured data imports
Practical details
What to know before you start
One or more extracted files from CSV Splitter
- Keep an untouched source export so transformed rows can be audited.
- Inspect identifiers, dates, delimiters, and blank values before importing the result.
- Review the CSV Splitter result before using it in an important workflow.