CSV Data Cleaning Studio
Read the file, check its structure and validate columns before you export it.
1 Inspect2 Validate or convert3 Verify output4 Download CSV or report
Start with a CSV file
One CSV, TSV or TXT · up to 10 MiB · data stays in this browser
Choose a file to begin.
Preview
Column rules
| Column | Required | Unique | Format |
|---|
Validation report
| Row | Column | Issue |
|---|
Converted copy preview
Download converted CSVHow this workflow works
Inspect encoding and rows, validate selected column rules, or create a converted CSV copy with a new separator and UTF-8 encoding. The original file remains untouched. Converted output is checked by parsing it again before download.