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Whitespace Remover

Strip, trim, and collapse whitespace in text — remove extra spaces, blank lines, line breaks, and convert tabs to spaces, all in your browser.

Updated

What is the Whitespace Remover?

The Whitespace Remover is a free online tool that strips, trims, and collapses whitespace in your text. Whether you are cleaning up code, formatting a document, or preparing data for import, this tool gives you precise control over how spaces, tabs, line breaks, and blank lines are handled — all in your browser, with zero data sent to a server.

Why Remove Whitespace?

Extra whitespace is a common problem that sneaks into text from copy-pasting, exporting from other applications, or inconsistent editing. It can cause formatting glitches, inflate file sizes, break data parsing, and make code harder to read. A whitespace remover cleans this up instantly.

Common Use Cases

  • Code cleanup — Remove trailing whitespace, collapse extra indentation, and normalize line endings before committing
  • Data preparation — Strip excess spaces before importing CSV files or pasting into spreadsheets
  • Content editing — Clean up text copied from PDFs, emails, or web pages that often contains irregular spacing
  • Form submission — Remove accidental double spaces from form fields before validation
  • Text processing — Normalize whitespace before further text analysis or transformation

Key Features

  • Trim each line — remove leading and trailing whitespace from every line
  • Collapse multiple spaces — turn runs of 2+ spaces into a single space
  • Remove empty lines — delete blank lines entirely
  • Collapse blank lines — reduce consecutive empty lines to one
  • Remove line breaks — join multi-line text into a single line
  • Tabs to spaces — convert tab characters to spaces with a configurable tab size
  • Spaces to tabs — convert leading spaces back to tabs
  • Strip all whitespace — remove every whitespace character for compact output
  • Line-ending normalization — convert between LF, CRLF, and CR
  • Live statistics — see character, word, and line counts before and after
  • 100% client-side — your text never leaves your browser

How it works

The Whitespace Remover processes your text through a carefully ordered pipeline of operations. Each operation can be toggled independently, and they are applied in a specific sequence to produce predictable, clean results.

The Processing Pipeline

When you paste text and toggle operations, the tool applies them in this order:

  1. Line-ending normalization (internal) — All line endings are first converted to \n for uniform processing, regardless of whether the original used LF, CRLF, or CR.

  2. Tabs to spaces — If enabled, every tab character is replaced with a configurable number of spaces (default: 4).

  3. Spaces to tabs — If enabled, leading groups of spaces (indentation) are converted back to tab characters based on the tab size setting.

  4. Trim each line — Leading and trailing whitespace is removed from every individual line.

  5. Collapse multiple spaces — Runs of two or more whitespace characters within a line are collapsed to a single space.

  6. Remove or collapse empty lines — Blank lines are either deleted entirely or collapsed so that no more than one consecutive blank line remains.

  7. Rejoin lines — The processed lines are joined back together.

  8. Remove all line breaks — If enabled, all line breaks are replaced with a single space, producing one continuous line.

  9. Trim entire document — Leading and trailing whitespace is removed from the entire document.

  10. Apply output line-ending format — The final line-ending style (LF, CRLF, CR, or original) is applied.

Special Mode: Strip All Whitespace

When Strip ALL whitespace is enabled, every whitespace character — spaces, tabs, newlines, and Unicode whitespace — is removed entirely. This mode overrides all other operations and is useful for producing the most compact output possible.

Presets

The tool includes six presets for common scenarios:

Preset What it does
Trim & collapse Trims lines, collapses spaces, and trims the document
Clean code Trims, collapses spaces, collapses blank lines, converts tabs to spaces, normalizes to LF
Single line Removes all line breaks and collapses spaces into one line
Strip all Removes every whitespace character
Tabs to spaces Converts tabs to spaces only
Spaces to tabs Converts leading spaces to tabs only

Mutual Exclusivity

Some operations conflict with each other and the tool handles this automatically:

  • Tabs to spaces and Spaces to tabs cannot both be active — enabling one disables the other.
  • Remove empty lines and Collapse blank lines cannot both be active — enabling one disables the other.
  • Strip ALL whitespace disables all other operations since it removes everything.

Privacy

All processing happens entirely in your browser. No text is uploaded, stored, or sent to any server. The tool works offline once the page is loaded.

Examples

Trim Extra Spaces

Remove leading, trailing, and duplicate spaces from a sentence

  The   quick    brown   fox  
The quick brown fox

Remove Blank Lines

Clean up code by removing empty lines between statements

function hello() {

    console.log('hi')


    return true

}
 
function hello() {
    console.log('hi')
    return true
}

Convert Tabs to Spaces

Replace tab characters with 4 spaces for consistent indentation

	const x = 1
		const y = 2
 
    const x = 1
        const y = 2

Frequently asked questions

What is a whitespace remover?

A whitespace remover is a tool that cleans up extra spaces, tabs, line breaks, and blank lines in text. It can trim leading and trailing whitespace, collapse multiple consecutive spaces into one, remove empty lines, and convert between tabs and spaces — giving you clean, consistently formatted text.

How do I remove extra spaces between words?

Toggle on the Collapse multiple spaces option and paste your text. The tool will replace any run of two or more spaces with a single space, so "hello world" becomes "hello world". Enable Trim each line as well to also remove leading and trailing spaces from every line.

Can I remove all blank lines from my text?

Yes. Toggle on Remove empty lines and every line that contains only whitespace will be deleted. If you prefer to keep a single blank line between sections rather than removing them all, use Collapse blank lines instead.

How do I convert tabs to spaces?

Enable the Tabs to spaces checkbox and set the desired tab size (default is 4). Every tab character in your text will be replaced with that many spaces. You can also use the Tabs to spaces preset for a quick one-click conversion.

How do I convert spaces to tabs?

Enable the Spaces to tabs checkbox and set the tab size. The tool converts leading groups of spaces (indentation) into tab characters. For example, 8 spaces with a tab size of 4 become 2 tabs.

Can I remove all line breaks and join text into one line?

Yes. Toggle on Remove all line breaks and every line break will be replaced with a single space, joining your multi-line text into one continuous line. The tool also collapses any double spaces that result from the join.

What does "Strip ALL whitespace" do?

Strip ALL whitespace removes every whitespace character — spaces, tabs, newlines, and Unicode whitespace characters — from your text entirely. This produces the most compact output possible and overrides all other operations. For example, "hello world" becomes "helloworld".

Can I normalize line endings (LF, CRLF, CR)?

Yes. Use the Line endings dropdown to convert all line breaks to LF (Unix), CRLF (Windows), or CR (Classic Mac). Select Keep original to preserve the original line-ending style of your text.

Is my text sent to a server?

No. The Whitespace Remover runs entirely in your browser. Your text is never uploaded, stored, or transmitted to any server, so it is safe to use with sensitive or confidential content.

What are presets and how do I use them?

Presets are one-click configurations for common whitespace-cleaning scenarios. For example, the Clean code preset trims lines, collapses spaces, collapses blank lines, converts tabs to spaces, and normalizes line endings to LF — all at once. Click a preset button to apply that configuration, then paste your text to see the result instantly.

Does the tool work with large text?

Yes. The tool processes text using efficient string operations and updates the result live as you type. It handles large documents without noticeable delay, and all processing is done client-side so there are no upload limits.

Can I see how many characters were removed?

Yes. The tool displays live statistics including original character count, result character count, characters removed, reduction percentage, and before-and-after line and word counts. This lets you see exactly how much whitespace was cleaned up.

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