Marginalia: Markdown Editor

Marginalia is a fast, focused, privacy-first Markdown editor for Mac, iPad, and iPhone. Write in plain Markdown and see a clean live preview side by side. Everything runs on your device — no account, no tracking, no network required. KEY FEATURES • Live preview — GitHub-flavored Markdown (tables, task lists, strikethrough, footnotes) rendered as you type, with light and dark themes. Click any block in the preview to jump to its source. • LaTeX math — inline and display equations rendered with KaTeX. • Code blocks — syntax highlighting for dozens of languages, with a copy button. • Obsidian-style syntax (optional) — [[wikilinks]] between notes, ![[image embeds]], callouts, ==highlights== and %%comments%%. • Outline — a table of contents to jump between headings or copy a whole section. • Images — paste or drag & drop images into your document (on iPhone and iPad you can also pick from…