List Diff Checker

Compare two text lists to find common entries and differences with normalization options.

List A List B

Ignore case Ignore punctuation Ignore special chars Ignore numbers Trim spaces

Common

Only in List A

Only in List B

Compare two lists online

Use this list diff checker to compare two sets of text, names, IDs, keywords, URLs, product SKUs, email addresses, or other line-by-line values. Paste each list into its own box to quickly find matching items, entries that only appear in the first list, and entries that only appear in the second list.

The comparison options help clean up messy data before checking for differences. You can ignore letter casing, punctuation, symbols, numbers, and extra spacing so that small formatting differences do not hide the items that are actually the same.

Common list checks

Find duplicate values across two lists
Compare keyword, URL, or SKU exports
Check customer, lead, or email lists

Difference checks

See what is missing from either list
Spot removed or newly added entries
Normalize inconsistent formatting before comparing