Blank line counter
Count total, blank, and non-blank lines, treating whitespace-only lines as blank and supporting CRLF, CR, and LF.
Runs in your browserEvery computation happens in your browser — your data never leaves this device.
Text
Statistics
One statistic per line.
Enter text to count
: 0 · : 0 · : 0
What this tool does
- Inspect blank-line ratios in code or logs.
- Check copied text for unexpected blank lines.
Example
Input
first last
Output
Total lines: 3 Blank lines: 1 Non-blank lines: 2
Whitespace-only lines are blank by default; a trailing break creates a final empty line.
Frequently asked questions
How many lines does empty input have?
One blank line.
Are Windows endings supported?
Yes, CRLF, CR, and LF are recognized.
How can I count only zero-length lines?
Disable whitespace-only lines.
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