Is There A Resource That Lists All The Symbols Html Supports?

I'm simply trying to find a 'heavy downwards arrow' symbol. It seems that all the resources I've checked so far has iterations of this heavy arrow that point to the right and left,

Solution 1:

Simply using a Search Engine gives the results you seek. The below resources were found in under 30 seconds. It is quicker for you to use a Search Engine than to actually write your Stack Overflow question!

W3 Developer Listing (The canon):

https://dev.w3.org/html5/html-author/charref

Wikipedia:

https://en.wikipedia.org/wiki/List_of_XML_and_HTML_character_entity_references

w3Schools:

https://www.w3schools.com/html/html_symbols.asphttps://www.w3schools.com/charsets/ref_utf_currency.asphttps://www.w3schools.com/charsets/ref_utf_arrows.asphttps://www.w3schools.com/charsets/ref_utf_symbols.asp

And others:

https://www.toptal.com/designers/htmlarrows/symbols/

https://www.freeformatter.com/html-entities.html

http://www.amp-what.com/

Solution 2:

I'm not sure about "official" per se, but I like to use this site to search for codes. For example, one such arrow might be the "downwards black arrow": ⬇ (⬇). There are other arrows you can search for if this one isn't the one you're looking for.