🔍 Filtering

Keep Lines with Numbers

Find every “2025”, model-number and price keyword in a list in one step, so you can update or target them.

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

Free tool Paste your list — the Keep Lines with Numbers 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.

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 Keep Lines with Numbers tool: before and after

Before
best running shoes
best running shoes 2024
top 10 shoes
After
best running shoes 2024
top 10 shoes

How it works What the Keep Lines with Numbers tool does

Keeps only lines that contain at least one digit.

3 steps How to use the Keep Lines with Numbers tool

  1. Paste your list into the box above — one item per line. Keyword exports, crawl exports and spreadsheet columns all work.
  2. Check the settings — there are none to set; the result appears straight away.
  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 Keep Lines with Numbers tool

  • Isolate year-specific or dated keyword variants for review
  • Pull out every line referencing a model number or version
  • Find product SKUs mixed into a general text export

FAQ Keep Lines with Numbers tool questions

Is this tool free to use?

Yes. Keep Lines With Digits runs entirely in your browser below, with no sign-up, no limits, and nothing sent to a server.

Does it match numbers inside words, like "4x4"?

Yes — any digit anywhere in the line counts as a match.

Pairs well with More Filtering tools, all free

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🔍 Regex Line Filter

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🔍 Remove Short Lines

One-word junk and broken fragments hide in every export. Set a minimum length and they are gone.

🔍 Remove Long Lines

Enforce a length limit in one click: every line longer than your number is removed, the rest stays untouched.

Stop fixing lists by hand

The Keep Lines with Numbers 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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