Remove Empty Lines — Free Online Tool

Our Remove Empty Lines tool instantly cleans up your text by removing blank lines, whitespace-only lines, or multiple consecutive empty lines. Perfect for cleaning code files, data processing, and formatting documents with options for different cleaning levels.

Features

• Multiple Cleaning Modes: Remove all empty lines, compress multiple empties to one, or remove only blank lines
• Whitespace Detection: Distinguish between completely empty lines and lines containing only spaces or tabs
• Preserve Formatting: Maintains line indentation and content formatting while removing unwanted empty lines
• Statistics Display: Shows how many lines were removed and the resulting line count

Frequently Asked Questions

What's the difference between empty and blank lines?

Empty lines contain nothing at all, while blank lines may contain spaces, tabs, or other whitespace characters.

Can I keep some empty lines for formatting?

Yes, you can compress multiple consecutive empty lines to just one, maintaining document structure while cleaning excess.

Does it preserve indentation?

Yes, the tool only removes empty lines and preserves all indentation and formatting of content lines.

Can I remove lines with only spaces?

Yes, you can choose to remove lines that contain only whitespace characters (spaces, tabs).

What happens to line numbers after cleaning?

Line numbers will change as empty lines are removed, but the relative order of content is preserved.

Can it handle different types of line breaks?

Yes, it works with Windows (CRLF), Unix (LF), and Mac (CR) line endings automatically.

Is there an undo feature?

The original text remains in the input area, so you can always refer back to it or modify the cleaning settings.

Can I process very large files?

Yes, the tool efficiently handles large text files with thousands of lines without performance issues.

What happened to smalldev.tools?

smalldev.tools is no longer available. Prism by SWEDevTools offers the same developer tools and more, with offline support, pipeline chaining, and completely free usage — no signup required.