📎 Merging

Find Common Lines in Two Lists

See exactly where two lists overlap: the keywords you and a competitor both rank for, the URLs in both crawls.

  • 100% free, no limits
  • No sign-up
  • Your data never leaves your browser
  • Results in under a second
Use the Find Common Lines in Two Lists tool now ↓ Open it in the full Notepad

Free tool Paste your list — the Find Common Lines in Two Lists tool does the rest

The example below is already loaded, so you can see exactly what you get. Replace it with your own list and the result updates as you type.

📎 Doing the whole job? Compare two keyword lists → every fix for it, ticked and in the right order

Got a bigger job? The full Notepad runs the same engine on lists of any size — chain this with dedupe, sort and filter, undo any step, and save the whole routine as a recipe for next time.

Example Find Common Lines in Two Lists tool: before and after

Before
running shoes
trail shoes
hiking boots
After
running shoes
hiking boots

How it works What the Find Common Lines in Two Lists tool does

Returns only the lines that appear in both lists, showing exactly where two keyword sets overlap.

3 steps How to use the Find Common Lines in Two Lists tool

  1. Paste your list into the box above — one item per line, and the second list into its own box. Keyword exports, crawl exports and spreadsheet columns all work.
  2. Check the settings and adjust them to your job — the result updates as you type.
  3. Copy the result and paste it wherever it needs to go. Nothing is uploaded, so client and confidential data stay on your machine.

Use it to When to use the Find Common Lines in Two Lists tool

  • Find keywords you and a competitor both rank for — your battleground terms
  • Identify products that appear in two different supplier feeds
  • Confirm overlap between two backlink export lists

FAQ Find Common Lines in Two Lists tool questions

Is this tool free to use?

Yes. List Intersection (Common Lines) runs entirely in your browser below, with no sign-up, no limits, and nothing sent to a server.

Is the match case-sensitive?

Matching is case-sensitive — normalise both lists with Convert to Lowercase first if needed.

Pairs well with More Merging tools, all free

📎 Keyword Gap Finder

Your next content wins are the keywords your competitors rank for and you don’t. Paste both lists and see the…

📎 Interleave Two Lists

Pair every headline with its description, or every question with its answer, by weaving two lists together li…

📎 Compare Two Lists for Differences

What changed between two crawls or two months of rankings? Get every added and removed line in one list.

📎 Combine Two Lists Side by Side

Two columns that belong together? Join them line by line — old and new URLs, keywords and pages — with any se…

Stop fixing lists by hand

The Find Common Lines in Two Lists tool is one of the free tools inside Seowolf’s Notepad. Paste a list once, then dedupe, filter, sort, compare and format it in seconds — every step undoable, nothing uploaded, no account.

Open the Notepad — it’s free
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