Line Counter - Empty & Non-Empty Line Tool

Count lines, non-empty lines, and analyze text line by line instantly.

Input Text

Paste or type your text to analyze lines

Try Examples:

TOTAL LINES

7

All lines including empty

NON-EMPTY LINES

7

Lines with content

EMPTY LINES

0

Blank or whitespace only

AVERAGE LENGTH

32

Characters per line

iDetailed Statistics

Longest Line

36 chars

Shortest Line (non-empty)

26 chars

Total Characters

224

Characters (no spaces)

197

Total Words

28

Words per Line (avg)

4

Privacy First

All text analysis happens locally in your browser. No data is sent to any server.

Line Counter: Count Lines, Words, and Characters in Any Text

Whether you are working with code, log files, CSV exports, or raw text, knowing exactly how many lines your content contains is a fundamental need. Our Line Counter gives you instant, detailed statistics with zero friction - no uploads, no accounts, no waiting.

Paste any text and immediately see total lines, non-empty lines, empty lines, character counts, word counts, and average line length. The expandable line-by-line view lets you inspect each line individually with its character count.

Formula
Total Lines = count(split(text, "\n")) Non-Empty Lines = count(lines where trim(line) != "") Empty Lines = Total Lines - Non-Empty Lines Avg Length = Total Characters / Total Lines

The tool computes all metrics in a single pass through the text:

Common Use Cases

**Log File Analysis**: Quickly count how many log entries exist, identify blank separators, and see average entry length.

**Code Review**: Count lines of code in a snippet. Compare empty vs non-empty lines to estimate code density.

**CSV and Data Files**: Count rows in a CSV paste without opening Excel. Identify trailing blank lines that might cause import errors.

**Content Writing**: Check if your article or document has the expected line and word count.

Line Counting Standards

Different tools count lines slightly differently. Our counter follows the Unix/POSIX convention: a newline character (\n) separates lines. If text ends without a newline, the last segment still counts as a line. This matches how wc -l works on Linux, and how most code editors display line numbers.

Practical Examples

Log file with 7 lines

  • 1.Input: 7 log entries, no blank lines
  • 2.Total Lines: 7 | Non-Empty: 7 | Empty: 0
  • 3.Use case: Verify all log entries are present

Shopping list with blank separators

  • 1.Input: 12 items split into 3 groups by blank lines
  • 2.Total Lines: 15 | Non-Empty: 12 | Empty: 3
  • 3.Use case: Count actual items, ignore spacer lines

Frequently Asked Questions

How does the line counter count lines?

The tool splits your text on newline characters (\n). Each segment between newlines counts as one line, including blank lines. This matches how most text editors, code editors, and Unix tools count lines.

What counts as an empty line?

A line is considered empty if it contains no characters at all, or only whitespace (spaces, tabs). Lines with actual text content, even a single character, are counted as non-empty.

Does it count the last line if there is no newline at the end?

Yes. If your text does not end with a newline, the last segment is still counted as a line. This is consistent with how most text editors count lines.

What is the difference between characters and characters without spaces?

Total characters includes every character in your text including spaces, tabs, and newlines. Characters without spaces strips all whitespace before counting, giving you the pure content character count.

How is words per line calculated?

Total words are divided by the total number of lines (including empty ones). For a more meaningful metric, focus on total words and non-empty line count.

Can I use this for code files?

Absolutely. Paste any code snippet, log file, CSV, or plain text. The tool handles all content types equally and gives you precise line-by-line statistics.

Is my text sent to any server?

No. All analysis runs entirely in your browser using JavaScript. Your text never leaves your device.

Is there a character or line limit?

There is no hard limit imposed by the tool. Processing is bound only by your browser's memory, so it can handle very large texts comfortably.