aestheticsymbols
Use in a combo

Superscript 0 copy & paste

⁰ is superscript 0, a plain-text Unicode symbol from the Superscripts and Subscripts block. On Aesthetic Symbols it lives in the tiny & superscript collection. As plain text it takes on the font and colour of wherever you paste it — a bio, a username, a caption or a stream title.

Unicode
U+2070
HTML entity
⁰
CSS content
\2070
JavaScript
\u{2070}
UTF-8 bytes
E2 81 B0
Made of

U+2070 ⁰ · Superscripts and Subscripts

Will it show up? · Long-established text symbols

Plain-text characters from blocks that mainstream desktop and mobile fonts have covered for years. These are the safe ones.

Worked out from how each character is encoded, not from a test on a real device.