White Square
U+25A1 · decimal 9633 · Geometric Shapes
Every way to write it
7 forms□
A named entity — readable, and safe in any HTML document without declaring a charset.
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The numeric form works everywhere a named one does, and exists for every character.
\25A1
For a content property in a ::before or ::after rule. No semicolon, and mind the trailing space.
\u25A1
Valid in a JavaScript or JSON string literal, so it survives files and pipelines that are not UTF-8 clean.
\u25A1
The escape for a Python string literal.
%E2%96%A1
Percent-encoded UTF-8, for a query string or a path segment.
E2 96 A1
3 bytes on the wire. Seeing these as separate garbled characters means something decoded them as single-byte text.
Typing it without copying
system pickerControl + Command + Space, then search white square
Character Map or Alt + 9633