List Difference Tool
Compare two lists and find items only in A, only in B, and in both.
About This Tool
Compare two pasted lists and see which items appear only in one list or in both lists.
Use it for QA checks, migrations, spreadsheet cleanup, redirects, inventory, IDs, and content operations.
Only in A
Only in B
In both lists
How to Use
- 1
Enter the values you need or paste your text into the input area.
- 2
Adjust any options, units, or settings for your exact use case.
- 3
Review the result and copy it into your document, workflow, or next task.
Features
Instant Results
Outputs update directly in the browser as you enter values.
Browser-Based Processing
Your inputs are handled locally and are not uploaded for calculation.
Simple Inputs
Clear fields and readable outputs keep repeat tasks fast.
Free to Use
Use the tool immediately with no sign-up or installation.
Common use cases
- ›Find missing IDs, URLs, SKUs, or names between two exports.
- ›Compare old and new lists during a migration.
- ›Extract shared and unique values for cleanup work.