Simple CSV Cleaner – A fast and lightweight Windows tool for cleaning CSV files
Simple CSV Cleaner is a small, fast, and easy-to-use Windows application that helps you clean and prepare CSV files in seconds.
It’s the perfect tool for anyone who regularly imports data, processes reports, or works with CSV files from different systems.
No installation, no setup — just download, run, and start cleaning.
Why Simple CSV Cleaner?
Many CSV files contain empty rows, duplicate entries, incorrect headers, or unwanted spaces.
These issues often cause import errors, break automations, or lead to inconsistent data.
Simple CSV Cleaner solves these problems instantly.
The tool focuses on the essentials and works completely offline —
no cloud, no tracking, no privacy concerns.
Key Features
✔ Open & Save CSV files
Supports various delimiters (comma, semicolon, etc.) and encodings (UTF-8, Windows-1252, …).
✔ Remove empty rows
Delete all unnecessary blank entries with one click.
✔ Trim whitespace
Automatically removes leading and trailing spaces from all cells.
Perfect for data exported from Excel, ERP systems, or web forms.
✔ Detect and remove duplicates
Find and delete duplicate rows quickly and reliably.
✔ Data analysis report
Get an instant overview:
- Total rows
- Empty rows
- Duplicate rows
- Trim issues
✔ Side-by-side Diff View
Compare the original and cleaned CSV tables next to each other.
Differences are highlighted for easy review.
✔ Clean and normalize headers
Trim, sanitize, and standardize column names.
✔ Simple, fast, and portable
Runs without installation and requires no configuration.
image: dirty file before and after in Simple CSV GUI.
Secure & Private
Simple CSV Cleaner works entirely on your device.
Your files never leave your computer.
No ads, no cloud processing, no tracking.
Version 1.0 – simple .exe file. no installation needed. just run the exe-file
Caution: Microsoft .NET 8 Runtime Library needed.
If not installed with your Windows Version: DOWNLOAD (Microsoft)
Click Version for Desktop Apps