Skip to content
M2TOOLKIT

Popular tools

Menu

Text · free tool

List Length Counter

Count the items in a list and see how many are unique, repeated, longest and shortest.

Use it as often as you like — it's free, with no sign-up and no limits.

Try it free
  • Text
  • Free
  • No sign-up
  • Runs in your browser
  • Updated
0 characters

Everything you type is processed in your browser. Nothing you enter is sent to our servers or stored by us.

How to use the List Length Counter

  1. Enter or paste your input in the box (or set the options, if the tool needs no input).
  2. Adjust the options to match what you need — the result updates as you type.
  3. Copy the result or download it, and keep editing if you want a different outcome.

What does this tool do?

Paste a list separated by lines, commas, spaces or your own separator. You get the total number of items plus how many are distinct and repeated, which is a quick check before you de-duplicate a mailing list or a keyword list.

Everything runs in your browser, so nothing you enter is uploaded or stored.

Why use it?

  • Free, with no sign-up and no limits.
  • Instant results as you type.
  • Private — your data stays on your device.

Example

Input: red
blue
red
green
Result: Items: 4
Unique items: 3
Repeated items: 1

Privacy

Everything you type is processed in your browser. Nothing you enter is sent to our servers or stored by us. There's no account to create and nothing to install.

Frequently asked questions

Are empty lines counted?

Not unless you tick “keep empty items”.

Is the List Length Counter free to use?

Yes. It is free, needs no account and has no daily limit.

Last reviewed by the M2Toolkit team.

Other tools people use alongside the list length counter.