Tools/Text/List Union, Intersection, and Difference
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List Union, Intersection, and Difference

Compare two line-separated lists and calculate their union, intersection, or difference to find shared or missing entries.

Set A0 characters
Set B0 characters
Calculation result0 characters

Input and result notes

Set operations compare list entries and remove duplicates. Difference is directional: A minus B usually differs from B minus A, so check the left and right lists.

Text
  • Duplicate Line Finder

    Find repeated lines in text and report their occurrence counts and first positions without deleting the input.

  • Text Diff Checker

    Compare two texts by line or word and highlight additions and deletions. Inspect changes in documents, logs, or configuration text.

  • Random List Shuffler

    Shuffle the order of a line-separated list using browser cryptographic randomness, then copy the reordered entries.