Empty List Item Remover

Removes items that are empty or whitespace-only from a list, dropping blank lines or stray blank entries while preserving the order of everything else, common cleanup after copy-pasting data with accidental blank rows. A free online tool from Staaarter, right in your browser.

Runs locallyUpdated 2026-07-27

Overview

Introduction

Copy-pasting data from spreadsheets, text editors, or web pages often introduces accidental blank lines or empty entries scattered through a list.

Empty List Item Remover strips those out in one pass, keeping every real item in its original order.

What Is Empty List Item Remover?

This is a list-cleanup tool that filters out items which are either completely empty or contain only whitespace.

It's a common companion to List Item Trimmer: trim first to catch whitespace-only items that might not look obviously blank, then remove what's left empty.

How Empty List Item Remover Works

The list is split into items using your chosen separator, then each item is tested with a trimmed-length check.

`Array.prototype.filter()` keeps only items whose trimmed length is greater than zero, dropping every blank or whitespace-only item while preserving the relative order of the rest.

When To Use Empty List Item Remover

Use this right after pasting data that might contain accidental blank lines or empty cells.

It's a good step before List Statistics Generator or List Length Finder, since blank items would otherwise inflate the item count without adding meaningful content.

Features

Advantages

  • Removes both fully empty items and whitespace-only items in a single pass.
  • Preserves the exact order of all remaining items.
  • Works with any separator style.

Limitations

  • Doesn't trim whitespace from items that have real content; pair with List Item Trimmer if that's also needed.
  • Treats any non-whitespace character as meaningful content, it can't distinguish a genuinely meaningful single space-like character from clutter.

Examples

Removing blank entries from a comma-separated list

Input

a, , b,   , c

Output

a, b, c

The two whitespace-only entries are dropped, leaving the three real items in their original order.

A list that's entirely blank

Input

, ,   ,

Output

(empty result)

Every item is blank, so the filtered result is empty rather than an error.

Best Practices & Notes

Best Practices

  • Run List Item Trimmer afterward if the remaining items might still have stray leading or trailing whitespace.
  • Check List Length Finder before and after to confirm how many blank items were actually removed.

Developer Notes

Implemented with `items.filter((item) => item.trim().length > 0)`, which treats any item made up entirely of whitespace the same as a truly empty string.

Empty List Item Remover Use Cases

  • Cleaning up a list pasted from a spreadsheet that had blank rows between data
  • Removing stray blank lines from a newline-separated text list
  • Preparing a list for accurate statistics by excluding non-content entries

Common Mistakes

  • Expecting this to also trim whitespace from surviving items; it only removes items that are entirely blank.
  • Assuming item order changes; it doesn't, only blank items are dropped and everything else stays in place.

Tips

  • Combine with List Item Trimmer for a full cleanup pass: trim first, then remove anything that's now empty.
  • Run List Statistics Generator afterward to see the corrected item count without blank entries skewing the numbers.

References

Frequently Asked Questions