Generate Unicode subscript characters for supported letters and numbers without using HTML formatting.
These outputs are Unicode characters or combining marks, not downloadable font files. Coverage and appearance vary by app, font, language, and operating system; unsupported characters are intentionally preserved. Styled Unicode may also affect search, accessibility, or screen-reader pronunciation, so keep ordinary text for critical content.
Show which characters have true Unicode subscript forms, which must fall back, and a semantic HTML subscript alternative.
Measure the actual rendered Unicode output against an editable destination limit. This audit does not promise that a platform, font, search system, screen reader, moderation pipeline or identifier field will preserve styled Unicode.
Unicode styling can increase code points, UTF-16 units and UTF-8 bytes even when the text looks the same length. Compare the current output against the destination's real limit, then keep a normalization or plain-text fallback ready.
Lower formula counts and underscore indices while leaving element symbols and variable names at baseline. This targets H2SO4 and x_12 style notation instead of lowering whole sentences.
| Source part | Lowered form | Purpose | Fallback |
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The transformation preserves unsupported characters, reports grapheme/code-point/byte differences, and flags compatibility-normalization changes instead of implying that every script has a matching styled alphabet.
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