Unicode / social fonts
Subscript generator
Chemical-style and footnote-style subscripts where the font allows.
Processed in your browser — nothing is uploaded
Lookup table. Coverage is smaller than superscript.
Last reviewed 2026-09-10.
FAQ
Questions, answered
H2O?
Digits work. Type H2O and the 2 becomes ₂ if present in the table.
Missing letters?
They pass through unchanged.
Does my text leave the browser?
No. The subscript generator runs in JavaScript on this page. Your paste is not uploaded.
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