Line Counter
Quickly count total lines, empty lines, and non-empty lines in text or code.
About the Line Counter Tool
The Line Counter tool provides developers, data scientists, and writers an effortless way to calculate the number of lines in a given document or block of text. It's fast, lightweight, and incredibly precise.
What is it?
It is a client-side web utility that reads the text area input and separates it by newline characters. It then categorizes these lines into total lines, completely empty lines, and lines containing actual content.
Step-by-step How to Use
1. Copy the code, log file, or text you want to analyze.
2. Paste it into the monospaced text editor above.
3. Review the line count statistics updating in real time.
4. You can continue to type or edit directly in the box.
Key Features
- Calculates Total, Empty, and Non-Empty lines
- Preserves whitespace and formatting for code
- Real-time metric updates
- No server uploads required
Real-world Industry Applications
Software developers use this to determine the Source Lines of Code (SLOC) in a file snippet. Data analysts check the number of rows in a CSV format before processing. QA testers verify log file lengths.
Client-side Privacy Guarantee
Security is our priority. Your source code or confidential log files are processed exclusively within your web browser. No external API calls are made, ensuring your data cannot be intercepted or stored.
Frequently Asked Questions
Q: Does it work with minified code?
A: Yes, though minified code is often a single line, so the total lines metric will read as '1'.
Q: Will it handle very large files?
A: You can comfortably paste tens of thousands of lines. Performance depends on your device's browser memory.
Q: Can I use it offline?
A: Once the page is loaded, the tool works completely offline.
Q: Are wrapped lines counted as multiple lines?
A: No. A line is defined strictly by the newline character (Enter/Return), regardless of how it visually wraps on your screen.