Narrow No-Break Space

U+202F creates a narrow gap with the no-break role of U+00A0. With normal wrapping, it keeps a short pair such as 10 kg together; the pair may move to the next line as a unit. That differs from making the entire sentence unbreakable.

A number and its unit

Use a narrow gap in a short pair such as 10 kg when the document’s style calls for it and the pair should stay together. Paste the full demo, then check the destination at a narrow width.

Punctuation in edited text

U+202F is used for narrow nonbreaking spacing in French text. Which marks need it depends on the locale and publication’s style; this copier does not automatically correct punctuation.

A gap already present in pasted text

If the width or shading surprises you, inspect the code point before replacing it. A visible gap could be U+0020, U+00A0, U+2009 or U+202F. Shading alone does not identify it.

NNBSP and “narrow non-breaking space” name the same U+202F character here. The Unicode character chart also lists “no-break thin space” as an alias; use the code point when the distinction matters.

Width and line breaking are separate properties. Unicode specifies the same intended width as Thin Space, while their line-breaking behavior differs. Rendering depends on the font, so choose the required break behavior and review the destination.

1. Check the saved text.

   Paste in the destination, save or submit, then copy that saved text back. Use the character checker to look for U+202F; checking only the source cannot show what an app changed.

2. Separate the symptom from the cause.

   If U+202F remains but the gap looks different, inspect the destination font or layout. If it became U+0020, a conversion happened somewhere; the worked example below shows one possible mechanism, not proof of that app’s process.

3. Preserve it unless replacement is intended.

   For unwanted narrow no-break gaps, use an editor’s exact find/replace: find the actual U+202F and replace it with U+0020. Preview the matches and resulting line breaks first. Deleting the gap entirely joins the words or number and unit.

Input: "10\u202Fkg"       → 5 code points
.trim()                 → "10\u202Fkg" (interior gap kept)
.normalize("NFC")       → "10\u202Fkg" (same code points)
.normalize("NFKC")      → "10 kg"       (gap becomes U+0020)

Edge-only input: "\u202F"
.trim()                 → ""            (0 code points)

Unicode’s compatibility mapping explains the NFKC conversion; JavaScript trim() removes edge whitespace. These are different operations. An app can use either, both or neither.

For a plain text field, copy the character itself. In HTML source, a numeric reference is parsed into the character. Pasting the visible letters   into an ordinary message may leave those letters visible.

A CSS content escape can render a gap in a pseudo-element; it is not a replacement for inserting U+202F into the stored text. Inspect the real value if copying or exact matching matters.

Character properties checked against Unicode 18.0.0. Figures show this browser’s current rendering; your destination may use different fonts, layout and input rules.

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