Line Counter
Count total lines, blank lines, and non-blank lines in your text instantly. Free online line counter with detailed line statistics.
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What is Line Counter?
A line counter analyzes your text and provides statistics about lines: total lines, blank lines, non-blank lines, longest and shortest line lengths, and average line length. This is useful for code review, log analysis, data validation, and any task where line structure matters.
How to Use
- Paste or type your text in the input area
- Line statistics update in real time as you type
- View total lines, blank lines, non-blank lines, and length statistics
- Use this to check file structure, verify data imports, or review code
Examples
Code file analysis
CSV line check
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Frequently Asked Questions
What counts as a blank line?
A blank line is any line that is completely empty (zero characters) or contains only whitespace characters (spaces, tabs). Lines with content — even a single letter or digit — are counted as non-blank.
How is the average line length calculated?
Average line length is the total number of characters across all non-blank lines divided by the number of non-blank lines. Blank lines are excluded from the average to give a more meaningful metric.
Does it count the last line if it does not end with a newline?
Yes. The tool counts all lines regardless of whether the text ends with a newline character. A single line of text without a trailing newline is counted as 1 line.