Line Counter
Count total lines, blank lines, and non-empty lines in seconds. All calculations run locally in your browser.
How line counts work
Frequently Asked Questions
How does the line counter determine total lines?
The tool splits your input by newline characters (supporting both Windows CRLF and Unix/Linux LF line endings). Every delimited line is counted, including any blank lines.
What is the difference between total lines and non-empty lines?
Total lines counts every line in the document. Non-empty lines ignores lines that contain only spaces, tabs, or no characters at all, giving you the count of active text lines.
Can I count lines in programming code files?
Yes, you can paste source code from Python, JavaScript, CSS, HTML, C++, or any other programming language to quickly inspect total lines, blank lines, and line length metrics.
Is there a limit on file or text size?
No. Since the counting algorithm runs directly inside your web browser using client-side JavaScript, documents with hundreds of thousands of lines can be analyzed in a fraction of a second.
