Remove empty lines

Remove empty lines is a free and easy-to-use online tool that helps you clean up your text by removing all blank lines. Whether you're a developer cleaning code, a writer formatting notes, or just want tidy text, this tool makes it simple. Paste your text or upload a .txt file, process it with one click, and instantly get a clean output you can copy or download. Fast, private, and efficient.

Remove Empty Lines - Explanation & Examples

Text files, documents, or copied content often contain unnecessary empty lines. These blank lines can make text harder to read, increase file size, or cause problems when processing data with scripts or applications. Our tool lets you quickly remove all empty lines or optionally collapse multiple blank lines into a single one. Paste your text, choose your settings, and get a clean result instantly.


⭐ What Does This Tool Do?

The Remove Empty Lines tool scans your text and identifies any lines that contain no characters or only whitespace (such as spaces or tabs). You can choose between:

  • Remove all empty lines — deletes every blank line from your text.
  • Collapse multiple empty lines — multiple blank lines become just one.

This helps with readability, formatting, and preparing text for further processing.


⭐ Example: Remove All Empty Lines

Input:

Line 1

Line 2



Line 3

Output:

Line 1
Line 2
Line 3

All empty lines are completely removed.


⭐ Example: Collapse Multiple Empty Lines

Input:

First paragraph


Second paragraph



Third paragraph

Output:

First paragraph

Second paragraph

Third paragraph

Long stretches of empty lines are reduced to a single empty line between paragraphs.


⭐ Why Remove Empty Lines?

  • Cleaner text for articles, books, or notes
  • Better formatting when preparing content for publishing
  • More compact files when working with logs or data exports
  • Consistent spacing in scripts, code blocks, or configuration files
  • Easier processing for tools that interpret blank lines as separators

⭐ Advanced: What Counts as an Empty Line?

A line is considered empty if it contains:

  • No characters at all
  • Only whitespace (spaces or tabs)

The tool detects both forms and handles them according to your selected option.


⭐ More Examples

Example: Remove empty lines from copied email text

Input:

Hello John,



Here is the information you requested.



Kind regards,
Anna

Output:

Hello John,
Here is the information you requested.
Kind regards,
Anna

Example: Prepare text for JSON or CSV processing

Input:

apple

banana



orange

Output:

apple
banana
orange

⭐ Try the Tool

Paste your text into the tool and choose your preferred mode: Remove all empty lines or Collapse multiple. The cleaned result appears instantly and is ready for exporting or further editing.

Frequently Asked Questions

Empty lines are lines that contain no characters, or only whitespace such as spaces or tabs. They appear as blank gaps between lines of text.

They often appear when copying and pasting text from different sources, exporting from word processors, or when formatting code and notes.

Sometimes yes. Empty lines can improve readability by visually separating paragraphs, code blocks, or sections of text.

They can make text look messy, increase file size, or cause errors in systems that do not accept blank lines, such as configuration files or data imports.

A common regex to detect empty lines is ^\s*$. Replacing matches with nothing will remove all blank lines from your text.

Use Find and Replace (Ctrl+H), search for ^p^p (double paragraph marks), and replace with a single ^p until all extra blank lines are removed.

You can use command line tools like sed or grep. For example: sed '/^$/d' file.txt > newfile.txt removes all empty lines.

Read the file line by line and filter out blank ones. For example: [line for line in f if line.strip()] will keep only non-empty lines.

In most programming languages empty lines are ignored, but in some contexts (like configuration or data files) they may cause errors or unexpected behavior.

The fastest option is to use an online tool such as WebTextTools.com, where you can paste or upload your text and instantly remove all blank lines.