Page format-guides: Source version: Markbridge 0.4.2. These docs are built from the repository and may include unreleased changes. Source page: https://markbridge.dev/format-guides/ # Format guides > The four input formats Markbridge converts, and how to pick one. Markbridge converts four input formats into the same Discourse-flavored Markdown. Each guide lists the tags it supports and how they map to Markdown — pick the one that matches your source: * **[BBCode](/format-guides/bbcode/)** — forum-classic `[b]...[/b]` tags, and the most feature-rich format. * **[HTML](/format-guides/html/)** — parsed tolerantly via Nokogiri. * **[MediaWiki](/format-guides/mediawiki/)** — the wikitext subset you’ll find in wiki exports. * **[TextFormatter](/format-guides/textformatter/)** — the s9e/TextFormatter XML that phpBB 3.2+ stores. All four feed the same renderer, so the output is consistent no matter which one you start from.