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Line counter
Count total lines, non-empty lines, and find the longest line in any pasted text.
0 Total lines
0 Non-empty
0 Empty
— Longest line
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100% private. All processing happens locally in your browser — no files or data are ever sent to a server.
How to use Line counter
- 01 Paste or type your text into the input area
- 02 Results update in real time — no button press needed
- 03 Use the Copy button to copy the output to your clipboard
Frequently asked questions
Common questions about Line counter.
Is Line counter free to use?
Yes, Line counter is completely free. No account, subscription, or payment is ever required — just open the page and start using it.
Does Line counter upload my data to a server?
No. Line counter runs entirely in your web browser using client-side JavaScript. Your files, text, and data never leave your device, making it 100% private.
Can I use Line counter on my phone or tablet?
Yes. Line counter is fully responsive and works on all modern smartphones, tablets, and desktop browsers without installing any app.
Is there a character or word limit?
There is no hard limit built into Line counter. Very large inputs (millions of characters) may slow down some browsers, but typical documents process instantly.
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About Line counter
The Line Counter tallies the total number of lines, non-empty lines, empty lines, and the length of the longest line in pasted text. It is useful for developers checking log file lengths, writers counting poem stanzas or list items, data teams verifying CSV row counts, and anyone who needs a quick count of a structured list. Unlike word or character counting, line counting is the correct metric when content is structured line-by-line rather than as flowing prose.
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