Whitespace cleaner

This tool trims line edges, collapses repeated spaces, and optionally removes empty lines. The complete operation runs in temporary browser memory, so the input is never uploaded or stored by LocalKit.

Local processing
Local processing
Ready — nothing leaves this page
Input
Settings
Run tool

Browser memory only. No upload fallback.

Result
Your result will appear here

The input stays available if you need to adjust a setting.

How to use whitespace cleaner

  1. 1

    Add the source values or files shown in the workbench.

  2. 2

    Choose the settings for whitespace cleaner.

  3. 3

    Run the tool, inspect the local result, then copy or download it.

A realistic example

Clean copied document text before pasting it into a CMS. The source and generated result remain in this browser tab throughout the operation.

Supported formats and limits

Input and output: UTF-8 text.

  • Whitespace inside code or indentation-sensitive data may be meaningful and should not be normalized.
  • Available memory and browser limits still apply to very large inputs.

Questions people ask

What does whitespace cleaner change?

This tool trims line edges, collapses repeated spaces, and optionally removes empty lines.

Is any input sent to a server?

No. LocalKit performs this operation in your current browser tab.