Enter the text content:
Line number format:
(LN means current line number.)
The Add Line Numbers to Text tool is a simple online utility that helps you add line numbers to any text instantly. Whether you’re formatting code, organizing content, or preparing a document for review, this tool makes numbering lines quick and easy.
It’s especially helpful for developers, writers, editors, teachers, and students who want to reference specific lines in their text or code. No need to manually number each line — just paste your content, click a button, and get cleanly numbered text within seconds.
The Add Line Numbers to Text tool automatically adds sequential line numbers to every line in your content. You can use it for programming code, plain text files, logs, or any written document that needs line references.
This line numbering tool works directly in your browser, requires no installation, and supports all major text formats such as TXT, MD, HTML, and code snippets.
Here’s why the Add Line Numbers to Text tool is so useful:
This tool makes it easy to keep track of specific lines during reviews or discussions.
Using this online line number adder is quick and simple:
That’s it — your text will now have neatly organized line numbers for easy reference.
Whether you’re sharing code snippets or reviewing a long document, this text line counter simplifies the process.
Adding line numbers enhances readability and organization, especially for technical or academic writing.
The Add Line Numbers to Text tool can be used in many scenarios, such as:
It’s a versatile and time-saving tool for both personal and professional use.
Q1. What is the Add Line Numbers to Text tool?
It’s an online tool that adds line numbers to any text for reference or analysis.
Q2. Is it free to use?
Yes, it’s 100% free and requires no login.
Q3. Can I customize the numbering format?
Yes, you can choose simple or padded numbering styles.
Q4. Will it work with programming code?
Absolutely, it’s perfect for code snippets and syntax files.
Q5. Does it alter the text content?
No, it only adds numbers without changing your text.
Q6. Is it safe to use?
Yes, your data stays private and is not saved online.
Q7. Can I download the numbered text?
Yes, you can easily copy or download the result after processing.
The Add Line Numbers to Text tool is a fast, secure, and efficient way to organize and reference your content. Whether you’re coding, writing, or editing, this free online tool helps you add line numbers instantly and accurately.
With a clean interface and easy-to-use features, this line numbering tool saves time, improves collaboration, and enhances text readability. Try it now and make your content more structured with the Add Line Numbers to Text tool.