BOM Zero Width No-Break Space Symbol: Copy & Paste

Unicode information

NameZero Width No-Break Space

Unicode nameZERO WIDTH NO-BREAK SPACE

Code pointU+FEFF

HTML decimal

HTML hex

CSS\feff

JavaScript\uFEFF

CategoryInvisible Characters

Unicode17.0

Meaning of BOM Zero Width No-Break Space

The BOM character is listed as Zero Width No-Break Space in SymbolDex. Its technical Unicode name is ZERO WIDTH NO-BREAK SPACE. It is a Unicode spacing or formatting character that may have no visible shape but can affect spacing, joining or text processing.

Common uses

Spacing and character-joining control.
Typography, internationalization and text processing.
Inspect or insert invisible characters by Unicode code point.

How to type BOM on Windows, Mac and mobile

Windows

The universal method is to use Copy on this page and paste BOM. On Windows 10/11 you can press Win + . and browse the Symbols section, or open Character Map (charmap) to locate characters supported by your fonts.

Mac

Press Control + Command + Space to open Character Viewer, search for Zero Width No-Break Space, then double-click it to insert the character.

Microsoft Word

Type FEFF without U+, then immediately press Alt + X. Word converts the code into BOM. You can also use Insert → Symbol.

Google Docs

Open Insert → Special characters and search by name, or paste BOM directly. For emoji, you can also use your operating system emoji picker.

iPhone / iPad

iOS does not provide a direct Unicode-code entry method for every symbol. Copy BOM from SymbolDex or check long-press variants on related keys. For frequent use, create a shortcut under Settings → General → Keyboard → Text Replacement.

Android

Availability varies by Android keyboard. In Gboard, browse the symbols panel and long-press related keys for variants. If it is not available, copy BOM from SymbolDex and paste it where needed.

Linux

In many Linux apps using GTK/IBus, press Ctrl + Shift + U, type feff, then confirm with Enter or Space. If your app does not support this method, copy and paste BOM.

Web and programming codes

Copy the representation you need for HTML, CSS, JavaScript or Python. For emoji sequences, SymbolDex includes every code point in the correct order.

HTML decimal

HTML hex

CSS content\feff

JavaScript\uFEFF

Python\uFEFF

Unicode textBOM

Usage examples

BOM — Zero Width No-Break Space

Unicode: U+FEFF

HTML: 