ImportPilot

CSV Cleaner

Clean messy CSV files locally in your browser before importing them into spreadsheets, CRMs, ecommerce tools, or databases.

Privacy-first: files never leave this device.

ImportPilot helps fix common CSV import failures without uploading the file anywhere.

Remove blank and duplicate rows.
Trim whitespace and normalize line endings.
Preview every change before export.

Open ImportPilot CSV cleaner overview

Before

 blank row 
Duplicate row
Name,Name,,Amount
1.234,56

After

blank rows removed
duplicates removed
Name,Name_2,Column 3,Amount
1234.56

CSV Delimiter Fixer Detect and fix comma, semicolon, tab, and pipe delimiters in CSV, TSV, and TXT files. CSV Encoding Fixer Preview and fix CSV encoding issues including UTF-8, UTF-8 BOM, Windows-1252, and Windows-1253 where supported. European Decimal CSV Converter Convert European decimal values like 1.234,56 or € 2.450,00 to import-friendly 1234.56 format. CSV Date Normalizer Normalize CSV dates to YYYY-MM-DD with European or US interpretation for ambiguous slash dates. Duplicate CSV Header Fixer Fix duplicate and missing CSV headers before importing data into tools that require unique column names.