Writing & Publishing
Substack's editor supports long-form articles, threads, podcasts, video posts, and static pages. It includes a rich text editor, post scheduling, drafts with autosave, version history, post templates, and SEO metadata controls. Creators can gate content behind a paywall at any point in a post, A/B test headlines, and cross-post between web and email.
- Rich text editor (TipTap/ProseMirror-based) with headings, bold/italic/strikethrough, subscript/superscript, text alignment, horizontal rules, bulleted and numbered lists
- Code blocks with syntax highlighting
- LaTeX support (both inline and block math)
- Footnotes