List Item Cleaner

Remove empty items and whitespace from lists with customizable separators

List
Cleaner
Text
Formatter
Remove whitespace-only items

About This Tool

The List Item Cleaner helps you clean up messy lists by removing empty items and optionally invisible whitespace characters. It's perfect for cleaning data exports, preparing lists for further processing, or organizing content.

For removing duplicate lines before cleaning, use our Find & Delete Duplicate Lines tool. If you need to clean up AI-generated markers and formatting artifacts, try Remove AI Markers from Text tool.

Key Features:

  • Auto-detect common separators (commas, newlines, semicolons, pipes, tabs)
  • Custom separator support for any character or string
  • Remove empty items (zero length) and optionally whitespace-only items
  • Customizable output formatting with different separators
  • Real-time item count showing before/after cleaning

All processing happens in your browser - no data is sent to servers.

Explore more tools in our Cleaner tools collection.

Frequently Asked Questions (FAQ)

What does this tool do?
This tool removes empty items and optionally whitespace-only items from lists. It can handle mixed separators and allows you to customize both input parsing and output formatting. If you need to remove duplicate lines before cleaning, try our Find & Delete Duplicate Lines tool.
What separators does auto-detection support?
Auto-detection recognizes newlines, commas, semicolons, pipes (|), and tabs as separators. It will split your list using any combination of these characters.
What does "Remove Invisible Items" do?
When enabled, this option removes items that contain only whitespace characters (spaces, tabs, newlines). When disabled, it only removes completely empty items (zero length).
Can I use custom separators?
Yes! Switch to "Split by Symbol" mode and specify your custom separator. Use \n for newlines and \t for tabs, or enter any other character or string.
Is my data processed securely?
All processing happens in your browser. No data is sent to any server, ensuring complete privacy and security. For cleaning up AI-generated markers and formatting artifacts, use our Remove AI Markers from Text tool.