CSV or TSV text data
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CSV Cleaner
Trim fields and remove empty or duplicate rows from CSV and TSV files.
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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 cleaner without uploading files
Normalize inconsistent CSV rows, whitespace, and blank records before importing data into another system.
Processing takes place in your browser tab. Temporary working data is released when you leave or reload the page.
Three steps
- Choose the CSV or TSV file and confirm its delimiter.
- Select the cleanup rules appropriate for the dataset.
- Review the preview and download the cleaned table.
Useful for
Common clean csv tasks
- Preparing imports
- Cleaning exported reports
- Normalizing shared datasets
Practical details
What to know before you start
A normalized CSV or TSV file
- Keep a copy of the raw export for comparison.
- Cleanup changes values, so verify identifiers and intentional whitespace.
- Use the data profiler before cleaning unfamiliar columns.