Supports headings (#–###### & underline style),
**bold**, *italic*, `code`, links,
bullet & numbered lists, > blockquotes (nestable with >>),
horizontal rules (---), and footnotes via [^id] + [^id]: text.
Footnotes are numbered in order of appearance and link bidirectionally in Word.
The filename comes from the opened file or first heading. Everything runs in your browser — nothing is uploaded.