Unsupported input
The tool may reject input that does not match the expected content, structure, or file type.
Fix: Confirm the tool input requirements and paste the correct type of data.
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Count lines in text
Output will appear here...
content bottom • up to 300x250
sidebar • 160x600
Last reviewed:
Line Counter is an online tool that helps you count lines in text.
Use it when you need to process line Counter quickly and keep the input, output, and controls in the same browser tab.
Start with the line Counter input you want to process in Line Counter.
Get a line Counter result from Line Counter that is ready to review, copy, and reuse in the next step of your workflow.
The tool may reject input that does not match the expected content, structure, or file type.
Fix: Confirm the tool input requirements and paste the correct type of data.
Missing fields or partial content can block processing or produce weak results.
Fix: Provide the full required input before running the tool.
Sample or placeholder values can lead to output that looks valid but is not ready for real use.
Fix: Replace placeholders with your actual values before relying on the result.
Paste the data type the tool is built for — plain text, code, or a structured payload — into the input panel. The tool processes it as you type.
Yes. Line Counter is responsive and works on phones, tablets, and desktops. Copy-to-clipboard and download actions are wired for touch devices too.
Use the copy-to-clipboard button or the download action on the output panel to move the result straight into your editor, ticket, or build pipeline.
Reach for Line Counter when you need to count lines in text for a quick check, debug session, code review, or ticket comment — a CLI or library is better for scripted pipelines, but Line Counter removes the setup cost for one-off work.
Most of the processing is client-side, so once the page has loaded you can keep using Line Counter even if your connection drops — unless the tool explicitly hits a backend API for data it can't compute locally.
Continue the workflow with related tools for line Counter, adjacent input and output steps, or other utilities in the same category. You can also browse the full String Utilities category for more options.
Randomise the order of lines in any multi-line text
Count characters in text
Count paragraphs in any text (blocks separated by a blank line)
Count words in text
Flatten multi-line text into a single line with a configurable separator
Count sentences in paragraphs of text using robust punctuation-aware splitting
Count word occurrences in text
Split a single-line string on any delimiter to produce one value per line
Convert binary to readable text
Convert text between different cases (camel, snake, kebab, etc.)
Convert text to cursive/unicode style
Extract every email address from a block of text, deduplicated and newline-separated