Free CSV Tool
Remove Matching Emails
Remove every email in one list that also appears in another list. Upload two CSVs, click one button, and download the cleaned file.
Step 1
Upload the list you want to clean
Your full email list. All columns are kept in the final file.
Drop your CSV file here
or click to browse
The first row is column names (not data)
Step 2
Upload the emails to remove
Any email from your main list that matches this file gets removed. Only the first column of this file is read.
Drop your CSV file here
or click to browse
The first row is column names (not data)
How should matches be found?
Step 3Optional
Remove emails containing certain words
Leave this blank to skip it.
Separate words with commas. Any email containing one of these words is removed.
Your files never leave your device — everything runs in your browser.