CareerByteCode

Remove Duplicate Lines Online

For anyone cleaning up email lists, keywords, IDs or log values. Paste one item per line and get the unique items, optionally sorted and with how often each appeared.

FreeRuns in your browserNothing uploadedNo sign-up neededAll 10 tools in the Data Toolbox
Keep this resultSign in to email it to yourself or save it to your profile. The tool itself never needs an account.

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How to use

How to use the Remove Duplicate Lines

  1. Paste your list into the box, one item per line.
  2. Tick Sort A to Z, Ignore case or Show counts as needed.
  3. Click Process.
  4. Check the before and unique count, then copy the result.
Worked example

An example, step by step

You enter

apple banana apple cherry banana apple (Show counts on)

The tool shows

3 apple 2 banana 1 cherry (6 to 3 unique)

FAQ

Questions about the Remove Duplicate Lines

Does it keep the original order of lines?

Yes, unless you tick Sort A to Z. Each item stays where it first appeared.

Are blank lines and extra spaces removed?

Yes. Leading and trailing spaces are trimmed from each line and empty lines are dropped before de-duplicating.

How do I count how many times each line appears?

Tick Show counts. Each unique line is shown with its count first, separated by a tab, so it pastes into two spreadsheet columns.

Is the Remove Duplicate Lines free and private?

Yes. It is free, needs no sign-up and runs entirely in your browser, so what you type is not uploaded. You only sign in if you want to email a result to yourself or save it to your CareerByteCode profile.

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