Compare Two Lists
Find what's common, what's unique, and what's different between any two lists.
- Find items that appear in both lists
- Identify items unique to each list
- Case-sensitive or case-insensitive comparison
- Export results to CSV or copy to clipboard
No unique items
No common items
No unique items
How It Works
Paste Your Data
Enter your lists or text into the input areas. One item per line for lists.
Click Compare
Hit the compare button and get instant results. Processing happens in your browser.
Export Results
Copy to clipboard or download results as CSV/TXT for further use.
Perfect For Comparing
Email Lists
Compare mailing lists to find new subscribers, unsubscribes, or merge lists without duplicates.
Instagram Followers
Paste your followers and following lists to find who doesn't follow you back.
Excel Columns
Copy columns from Excel spreadsheets and compare them to find matching or missing values.
Student Rosters
Compare class lists to find students enrolled in multiple classes or missing from one.
Inventory Items
Compare inventory lists to find discrepancies between systems or locations.
Domain Lists
Compare domain or URL lists for SEO analysis, migration planning, or duplicate detection.
Frequently Asked Questions
Simply paste your first list in the left box and your second list in the right box, with one item per line. Click Compare Lists and instantly see what's unique to each list and what items they have in common.
Yes, our list comparison tool is 100% free with no signup required. You can compare unlimited lists without any restrictions.
Absolutely. All processing happens directly in your browser. Your data never leaves your device and is never sent to our servers. This ensures complete privacy and security.
Our tool can handle large lists with thousands of items. The comparison runs locally in your browser, so performance depends on your device, but most users can compare 50,000+ items without issues.
Yes! Simply copy a column from Excel and paste it directly into either list box. Each cell will become a separate item in the list.