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Private browser utility / Text & Writing

Whitespace Visualizer Online

Runs entirely in your browser - no upload, no sign-up.

Live workspaceLocal processing
Visible marker options
Text to inspect
Visible whitespace
Whitespace markers appear here as you type.
· space⇥ tab↵ line ending‹NBSP› Unicodetrailing
Paste text to reveal its hidden characters
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whitespace visualizer / browser utility
01 / Overview

What is a whitespace visualizer?

A whitespace visualizer makes hidden formatting visible by marking spaces, tabs, line endings and invisible Unicode characters. Paste text or code to inspect indentation, find trailing spaces and tell ordinary spaces from non-breaking or zero-width characters. The marked view updates instantly without changing your original text.

02

How to use

  1. 01
    Paste the text

    Enter code, prose or structured data in the input panel, or load the example.

  2. 02
    Read the markers

    Compare dots for spaces, arrows for tabs, line-ending labels and named Unicode tokens.

  3. 03
    Focus the view

    Toggle marker groups or trailing highlights to isolate the formatting issue you are checking.

  4. 04
    Copy the marked view

    Copy the visible representation when you need to share or document what was found.

03

Who it's for

  • Developers checking mixed indentation, unexpected line endings and invisible characters in code or configuration files.
  • Editors finding non-breaking spaces, soft hyphens and stray trailing whitespace in copied drafts.
  • Data teams diagnosing values that look equal but fail exact matching, CSV imports or validation.
  • Students learning how spaces, tabs, line endings and Unicode controls are stored in plain text.

Whitespace can look identical while behaving differently. A regular space allows wrapping, a non-breaking space keeps nearby text together, and a zero-width character can break search, comparison or import logic without leaving a visible gap. This text microscope gives those characters distinct, named markers.

Use the visibility controls to reduce noise. You can hide ordinary spaces while keeping tabs, line endings and unusual Unicode markers visible. Trailing highlighting calls out spacing at line ends, where formatting bugs are especially easy to miss.

FAQ

Is my text uploaded anywhere?

No. The visualizer processes text locally with JavaScript in your browser. Your pasted code, documents and data are not sent to a server, so you can inspect internal material without adding an upload step.

Is the whitespace visualizer free?

Yes. It is free to use without an account, download or fixed usage limit. Paste text, choose which markers to show and copy the marked representation when you are done.

How much text can I inspect at once?

There is no fixed character limit. Normal snippets and documents update instantly. Extremely large files can become slower because the browser must draw a marker for every visible whitespace character, so smaller sections are easier to inspect.

What whitespace characters does it show?

It marks ordinary spaces, tabs, LF, CR and CRLF line endings, non-breaking spaces, typographic Unicode spaces and common zero-width or direction controls. Distinct symbols and named tokens help separate characters that otherwise look identical.

Can it find trailing whitespace?

Yes. Enable Trailing whitespace to highlight spaces, tabs and invisible Unicode characters after the last visible character on each line. The summary also counts how many lines contain trailing characters.

What is the difference between a space and a non-breaking space?

A regular space, U+0020, normally allows a line to wrap. A non-breaking space, U+00A0, keeps the text on both sides together. They look similar, but string comparisons and formatting systems treat them as different characters.

Does copying the output preserve the original whitespace?

Copy creates a marked representation, not the original text. Visible dots, arrows and named tokens are copied so another person can see the formatting issue. Your unchanged source remains in the input panel.

Does it work with non-English text?

Yes. The analysis is based on Unicode characters, not English words or grammar. Letters, emoji and scripts such as Arabic, Cyrillic, Devanagari, Japanese and Korean remain visible while hidden formatting is marked around them.