Markdown is the preferred writing format for developers, technical writers, and knowledge workers because of its simplicity and portability. However, sharing Markdown files directly can be impractical; recipients may not have a Markdown renderer, and formatting can vary between viewers. Converting to PDF produces a fixed-layout document that looks identical everywhere; on screen, in print, and across every operating system.

GitHub Flavored Markdown (GFM) extends the original Markdown specification with features widely used in software development. Tables use pipe characters to define columns. Task lists add interactive checkboxes. Fenced code blocks with language identifiers enable syntax highlighting. Strikethrough text uses double tildes. Autolinked URLs turn plain URLs into clickable links. This tool fully supports GFM so your README files and documentation render correctly.

The Light theme is ideal for general-purpose documents, business reports, and printable materials. The Dark theme works well for screen-oriented reading and presentations where a dark background reduces eye strain. The Academic theme uses serif typography and traditional spacing conventions that align with scholarly publishing standards, making it suitable for research papers, essays, and course materials.

Use consistent heading levels (h1 for the title, h2 for sections, h3 for subsections) to create a clear document hierarchy. Add horizontal rules between major sections for visual separation. Keep table columns concise to avoid overflow on narrower page sizes. Use fenced code blocks with a language identifier for proper syntax highlighting. Preview your document before downloading to catch formatting issues early.