Clean Excel & CSV Files Online
Before ERP, CRM or Database Import
Remove duplicate rows, compare two Excel files, find new records and convert CSV date formats including HH:mm:ss before uploading data into ERP, CRM, HRM or accounting systems.
Why Use Clean?
Multi-Column Duplicate Removal
Remove duplicates based on one or multiple columns with case-sensitive matching.
Compare Two Excel Files
Instantly detect new rows before importing into your system.
Import Safe
Designed to prevent duplicate uploads and protect your master data.
Date Format Converter
Convert Excel or CSV date formats including HH:mm:ss before ERP or CRM import.
Perfect For
ERP imports • Route master uploads • Employee master cleaning • Date format correction • CSV validation • CRM migration • Bulk data cleaning • Attendance data formatting
How It Works
Step 1: Upload your Excel or CSV file.
Step 2: Choose columns for duplicate removal, file comparison or date format conversion.
Step 3: Download clean CSV data ready for ERP, CRM, HRM or database import.
Online Excel Validation Tool for Business Data Import
Clean helps you prepare Excel and CSV files before importing data into ERP, CRM, HRM, billing or accounting software. You can remove duplicate rows, compare old and new files, detect new records and convert date formats before upload. This is useful for customer master data, employee records, attendance files, invoice data, route master uploads and bulk CSV imports.
Frequently Asked Questions
Can I remove duplicates from CSV online?
Yes. Upload your CSV file, select the column, and download the cleaned file instantly.
Can I compare two Excel files to find new rows?
Yes. Use the compare feature to detect new or existing rows before database import.
Is my data stored on your server?
No. Files are processed temporarily and deleted automatically after download.
Can I convert Excel date formats including HH:mm:ss?
Yes. The Date Format Converter supports date and datetime conversion including HH:mm:ss values for ERP and CRM imports.
Ready to Clean Your Excel File?
Upload your Excel or CSV file and remove duplicates in seconds.
Start Cleaning Now →