Hashtags and labels
# is useful for hashtags, topic labels, and compact markers where people expect the exact character, not an emoji lookalike.
#
Hash Sign
U+0023
#
As a plain text character, the # hash sign is most useful for hashtags, topic labels, number markers where quick compatibility matters.
Hashtags, topic labels, and compact numbering.
Where people actually use this symbol
Headings and list markers
# can also work in headings, numbered blocks, or short labels when the line needs structure more than decoration.
Where it works better than emoji
# works better than emoji when the text needs a real hashtag, topic marker, or compact label. It stays readable in headings, tags, and search-style text where emoji would muddy the function.
Alternative symbols to compare
@
ASCII symbols
U+0040
Email addresses, @mentions, and social handles.
$
ASCII symbols
U+0024
Prices, budgets, and finance copy.
%
ASCII symbols
U+0025
Percentages, discounts, ratios, and sale copy.
&
ASCII symbols
U+0026
Brand names, pairings, and title styling.
*
ASCII symbols
U+002A
Footnotes, emphasis, wildcards, and note markers.
+
ASCII symbols
U+002B
Additions, feature lists, math, and positive markers.
Related emoji
Symbol details
- Category
- ASCII Symbols
- Unicode
- U+0023
- HTML
- #
- ASCII
- Yes