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List Difference

Lines in list A that do not appear in list B. Optional ignore case.

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List A
List B
Output

How to use list difference

  1. Paste list A and list B, one item per line.
  2. The result is every non-empty line in A that is missing from B.
  3. Turn ignore case on if Red and red should match.
  4. Copy the result. Nothing is sent to CZNull.

List Difference

List Difference

Where it runsThis browser
UploadNone
NetworkNo request to compute the result
LimitInvalid input stays on the page as an error

What list difference does

Each non-empty line in A is kept if it is not in B. Empty lines are ignored. This is not a shuffle.

How this page works

All options on the form are sent into the local engine. Lines in list A that do not appear in list B. Optional ignore case. Results never leave this device to be computed.

Limits and related pages

Stay on this URL for this job. Sibling tools in the same group cover nearby jobs without mixing formulas. Open the category hub if you need a different input set.

Questions

Does this page upload what I type?
No. The work runs in the page you opened. CZNull does not receive the input.
A minus B?
Yes. Lines in A that are not in B. Order in A is kept.
Are empty lines compared?
No. Empty rows in A or B are ignored.
What happens on invalid input?
The status line shows the error. The previous result is cleared.