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Invisible character copier

Four real Unicode characters that render as blank or take up no width, each with one tap to copy and a plain explanation of what it is actually for.

  • Braille pattern blank

    U+2800

    A real, printable braille character that renders as an empty cell. Because it is a printable character rather than whitespace, it can keep a line "alive" in a caption or bio field that automatically strips a line containing only whitespace.

  • Zero width space

    U+200B

    A word-break opportunity with no visible width. Browsers and text layout engines use it to mark where a long run of text without spaces, such as a URL, is allowed to wrap. On its own it adds no visible space.

  • Zero width joiner

    U+200D

    Joins two adjacent code points into a single combined glyph where a font supports it, most visibly in emoji such as a family or profession emoji made of several people joined into one. Outside a sequence a font recognizes, it renders as nothing.

  • Zero width non-joiner

    U+200C

    The opposite of the joiner: it tells a font to keep two adjacent letters from being merged into a connected ligature, which matters in scripts such as Persian and Arabic where letters normally join. It has no visible width of its own.

Paste-test

Paste after copying one of the characters above. This reads only what you paste into this field, in this tab.

Nothing pasted yet.

What these are actually for

Every character below is a real, documented Unicode code point, not a trick. The braille pattern blank is a printable character that happens to render as empty space, which is why it can survive in a field that strips a whitespace-only line: it is not whitespace to begin with. The zero-width characters take up no width at all and exist for their own documented purpose, such as joining two emoji into one combined glyph. Whether any of them survives how a specific platform processes text is not something we have tested, so this page does not promise a result.

이것은 사용자의 브라우저에서 실행됩니다

입력하는 모든 내용은 이 페이지에 남아 있습니다. 서버로의 요청도, 저장도, 텍스트를 담은 분석 이벤트도 없습니다.

이 도구들은 아무것도 게시하지 않습니다. 어떤 커넥터도 아직 제공업체 검증을 완료하지 않았으므로, 여기서는 어떤 것도 계정을 연결하지 않습니다.

질문

Why would I want an invisible character?

Most often to keep a genuinely blank line inside a caption or bio field that automatically deletes a line made only of ordinary whitespace, or, for the joiner and non-joiner, to control how a font combines the characters next to them.

Will these survive on every platform?

We cannot promise that. No connector on this site has been verified against a live platform yet, and some platforms strip zero-width characters deliberately. Test on the destination before relying on one.

제 초안이 업로드되나요?

아니요. 확인은 브라우저에서 실행됩니다. 텍스트를 담은 요청이 없고, 아무것도 저장되지 않으며, 탭을 닫는 것만으로 폐기됩니다.

이 도구가 저 대신 게시할 수 있나요?

오늘은 아닙니다. 어떤 커넥터도 제공업체 검증을 완료하지 않았으므로, 이 사이트의 어떤 것도 아직 플랫폼에 게시되지 않습니다. 이 페이지는 컴포저가 아니라 한도 확인 도구입니다.

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