Blog - #syntax
Markdown guides, tutorials, and tips for developers, writers, and students.
Markdown Headings: Syntax and Best Practices
Markdown headings from H1 to H6: ATX and Setext syntax, anchor links and heading IDs, SEO best practices, and common mistakes. Try them in our free editor.
Markdown Footnotes: Syntax and Platform Guide
Markdown footnotes explained: syntax for citations and references, multi-line and named footnotes, and which platforms (GitHub, Obsidian, Pandoc) render them.
Markdown Font Size: Make Text Bigger or Smaller (2026)
Markdown font size has no syntax, so use heading levels, inline HTML like span and small, or CSS. See which platforms keep each, GitHub included. Try it free.
Markdown Matrix: LaTeX Matrices That Render (2026)
Write a markdown matrix with pmatrix, bmatrix, and vmatrix blocks, see which delimiter GitHub, Obsidian, and Jupyter need, and a fallback. Try our free editor.
Markdown Definition List: Syntax and Where It Works (2026)
Markdown definition list syntax with examples, a support table for Pandoc, kramdown, Hugo, GitLab, GitHub and Obsidian, plus the HTML fallback. Try it.
Markdown Subscript and Superscript: Syntax by Platform
Markdown subscript and superscript syntax that renders: HTML sub and sup tags, Pandoc tildes and carets, LaTeX, and Unicode fallbacks. Try our free editor.
GitLab Markdown: GLFM Syntax Guide and Cheat Sheet
GitLab Markdown (GLFM) explained: references, alerts, KaTeX math, TOC, inline diffs, and how it differs from GitHub, in one cheat sheet. Try our free editor.
Markdown Columns: 3 Ways to Build Multi-Column Layouts
Build markdown columns three ways: a borderless table, an HTML table, or Pandoc fenced divs, plus what renders on GitHub and Obsidian. Try our free editor.
Markdown Arrows: How to Type Arrow Symbols (2026)
Type a markdown arrow three ways: Unicode, HTML entities like →, and numeric codes, with a 20-arrow table and Mac and Windows shortcuts. Try our editor.
Markdown Indentation: Indent Text, Lists, and Code
Markdown indentation explained: why four spaces or a tab become a code block, how to indent a paragraph or list line, and how tabs behave. Try our free editor.
MultiMarkdown Syntax: How It Differs from CommonMark
MultiMarkdown (multi markdown) explained: tables, footnotes, metadata, transclusion and CriticMarkup, compared with CommonMark and GFM. Try our free editor.
Markdown Frontmatter: YAML Metadata Explained (2026)
Markdown frontmatter explained: YAML syntax, arrays, quoting rules, how GitHub and plain renderers show it, plus Jekyll, Hugo and Obsidian keys. Try our editor.
Markdown Image Caption: 3 Ways That Actually Render
Add a markdown image caption with an italic line, figure and figcaption, or a single-cell table, and centre it on GitHub and Obsidian. Try our free editor.
Markdown Icons and Emoji: How to Add Them (2026)
Add markdown icons four ways: emoji shortcodes, Unicode, HTML entities, and inline images, with a support table for GitHub and Slack. Try our free editor.
Markdown Button: 3 Ways to Add Clickable Buttons
No markdown button syntax exists, so here are the 3 ways that work: badge image links, HTML anchors GitHub keeps, and shortcodes. Try our free editor.
Markdown Page Break: Force a New Page in PDF Exports
Markdown page break syntax explained: the HTML div for browser exporters, newpage for Pandoc and R Markdown, and the Quarto shortcode. Try our free editor.
Markdown Symbols: How to Escape Characters Literally
Every markdown symbol you can escape with a backslash, when to use backticks or entities instead, and how to show a dollar sign on GitHub. Try our free editor.
Center Markdown Text: Text, Headings, and Tables (2026)
Learn how to center markdown text, headings, and tables with HTML snippets that survive GitHub, Obsidian, and Hugo, plus the blank-line rule. Try our editor.
Markdown Image: Add, Resize, and Link Images
Learn markdown image syntax to add, resize, center, and link images. Covers GitHub, Obsidian, and HTML fallbacks. Try examples in our free editor.