LISTCOMPARATOR
Paste two lists and instantly find which items are missing, new, or exist in both.
Why Two-List Comparator?
Instant Venn Diagram
Instantly see exactly what's unique to List A, unique to List B, and what exists in both lists.
Handles Messy Formatting
Automatically ignores trailing spaces, empty lines, and can handle case-insensitive comparisons.
100% Secure & Private
Your lists are compared locally in your browser. We never see your data.
Go further with Pro
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Learn moreWhy this tool exists
You have last month's customer list and this month's, and you need to know exactly who churned and who was added. VLOOKUP in Google Sheets takes too long to set up for a quick check.
Instant Venn Diagram
Instantly see exactly what's unique to List A, unique to List B, and what exists in both lists.
Handles Messy Formatting
Automatically ignores trailing spaces, empty lines, and can handle case-insensitive comparisons.
100% Secure & Private
Your lists are compared locally in your browser. We never see your data.
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