CSV Cleaner: Remove Duplicates, Empty Rows & Clean Data | Free
4 usesCSV Cleaner Tips
4 Cleaning Options
Remove empty rows, remove duplicates, trim whitespace, and remove incomplete rows.
Before/After Stats
See how many rows were removed and the final cleaned row count.
Download Cleaned CSV
Download the cleaned data as a .csv file ready for use.
Browser Processing
All cleaning happens locally. Your CSV data never leaves your device.
Frequently Asked Questions
What does the CSV cleaner do?
Removes empty rows, duplicate rows, trims whitespace from values, and optionally removes rows with missing values.
Does it preserve my header row?
Yes, the first row is always preserved as the header and is never removed by duplicate or empty row filters.
Can I download the cleaned CSV?
Yes, click Download to save the cleaned data as a .csv file.
Is this free?
Yes.
Does the online CSV cleaner store my uploaded data on its servers?
No, your uploaded CSV data is *never* stored on our servers. All cleaning processes, including removing empty rows, duplicates, and trimming whitespace, are performed directly in your web browser. This ensures maximum privacy and security for your sensitive information, as your data never leaves your device and is not saved after you close the page or download the cleaned file.
How do I remove rows in my CSV file that have some blank cells but aren't completely empty?
Our CSV cleaner provides an advanced option to handle rows that are not entirely empty but contain blank cells or missing values in certain columns. This feature allows you to selectively remove such 'partially empty' rows, which is vital for maintaining data quality. It helps prepare your data for accurate analysis, database imports, or when specific fields are mandatory. Look for an optional setting to enable removal of rows with missing values.
How to Clean CSV Data
- Paste your CSV data into the input area
- Select cleaning options
- Click Clean CSV
- Copy or download the cleaned result