Overview
Introduction
Sometimes you need text with absolutely no whitespace at all, for a compact identifier, a hash input, or a puzzle.
This tool strips every space, tab, and newline in one step.
What Is Whitespace Remover?
A cleanup tool that removes every whitespace character (spaces, tabs, newlines, and other Unicode whitespace) from the text.
It runs entirely client-side as part of this site's String Tools collection, so nothing you paste is ever uploaded to a server.
How Whitespace Remover Works
A regex matching one or more consecutive whitespace characters (\s+) is replaced globally with nothing.
The transformation happens synchronously in JavaScript the moment you type, with no network round trip involved.
When To Use Whitespace Remover
Use it when preparing text for a compact identifier, hashing input that must exclude whitespace, or a puzzle where spaces need to be removed entirely.
It's a fast way to get the answer without opening a code editor, a REPL, or writing a one-off script just to check.
Often used alongside Empty Line Remover and Whitespace Trimmer.
Features
Advantages
- Matches all whitespace types, not just literal spaces.
Limitations
- Runs words together with no separator, which is rarely reversible without knowing the original word boundaries.
Examples
Best Practices & Notes
Best Practices
- Use Trim a String instead if you only want leading/trailing whitespace removed, not whitespace between words.
Developer Notes
The regex `/\s+/g` matches Unicode whitespace broadly (spaces, tabs, newlines, and others in the \s class), not just the ASCII space character.
Whitespace Remover Use Cases
- Preparing text for a compact identifier with no separators
- Removing whitespace before hashing or checksumming text
- Solving a puzzle that requires whitespace-free text
Common Mistakes
- Using this when only leading/trailing trimming was actually needed.
Tips
- Use Trim a String for edge-only whitespace removal, keeping inter-word spacing intact.