Why Is My Markdown Not Rendering Correctly? Common Fixes
Markdown rendering failures are frustrating because the syntax looks correct but the output does not match expectations. Six common causes account for the vast majority of rendering problems: missing blank lines, incorrect indentation, wrong emphasis delimiter placement, escaping issues, platform-specific syntax differences, and HTML passthrough conflicts. WikiPlus Markdown Editor at wikiplus.co renders live — paste your Markdown in and see immediately whether the rendering is correct, making it the fastest diagnostic tool for rendering issues.
Problem 1: Missing Blank Lines Between Elements
The most common Markdown rendering error is missing blank lines between block elements. Markdown requires a blank line before and after headings, lists, code blocks, blockquotes, and horizontal rules. Without blank lines, parsers may interpret consecutive elements as a continuation of the previous paragraph. Example: ## Heading on the line immediately above - List item renders incorrectly in some parsers — the list item is treated as a paragraph continuation, not a list. Fix: always add a blank line before the first list item and after the last one. WikiPlus Markdown Editor renders continuously as you type — add blank lines and watch whether the issue resolves in the preview panel.
Problem 2: Emphasis Syntax Inside Words
Using underscores for emphasis (_text_) works for standalone words but fails inside compound words. The sequence modify_my_text interprets 'my' as italic because it is flanked by underscores — unintended. CommonMark and GFM parsers handle intra-word underscores differently: GFM (GitHub) requires that underscores be surrounded by whitespace to trigger emphasis, preventing this issue. Older parsers treat any underscored flanking as emphasis. Fix: use asterisks for emphasis (*text*, **text**) instead of underscores — asterisks are treated as emphasis only when flanking non-space characters, not inside words. This avoids the intra-word ambiguity entirely.
Problem 3: Code Blocks Not Rendering
Code blocks fail to render for three reasons: incorrect fence delimiter (using ~~~ instead of ```, or using different numbers of backticks), no blank line before the opening fence, or the code language identifier on the same line as the opening fence but with a space before it. Correct fenced code block syntax: three backticks on a line alone, optional language identifier immediately after the backticks with no space (```javascript), code content on subsequent lines, three backticks on a line alone to close. Inline code fails when there is a space between the backtick and the content — `code` works, ` code` does not. WikiPlus Markdown Editor shows the rendered output immediately — if the code block renders as paragraph text, check the fence syntax.
Problem 4: Platform-Specific Rendering Differences
The same Markdown source renders differently across platforms because each platform uses its own parser with different behavior for ambiguous syntax. Tables: standard Markdown has no table syntax — only GFM platforms (GitHub, GitLab, many static site generators) render pipe tables. If your platform does not support GFM, table syntax renders as plain text with pipes. Task lists: same situation — only GFM-supporting platforms render - [ ] as checkboxes. Footnotes: only MultiMarkdown and some extended parsers render footnotes. If you write for multiple platforms, test in WikiPlus Markdown Editor (which renders GFM) and also paste into the target platform's editor to confirm. The safest cross-platform Markdown uses only CommonMark elements: headings, bold/italic, lists, links, images, and code blocks.
Frequently Asked Questions
- Why is my Markdown not showing bold text?
- Bold text fails to render for three reasons: using single asterisks instead of double (**text** for bold, *text* for italic), having a space between the asterisks and the text (** text ** does not render as bold — there must be no space before the closing **), or using the bold syntax inside a word where the parser does not recognize it as flanking. Test in WikiPlus Markdown Editor by typing **bold text** and confirming bold appears in the preview. If it does not, your parser may not support that syntax variant.
- Why does my Markdown table not render on some platforms?
- Markdown tables (pipe syntax: | Col1 | Col2 | with separator row | --- | --- |) are a GFM extension, not part of standard CommonMark. Platforms that use a strict CommonMark parser without GFM extensions will render the table as plain text with pipe characters. Platforms that support tables: GitHub, GitLab, many static site generators (Hugo, Jekyll with the right plugin), Ghost, and Notion. Platforms that may not: plain text editors, some CMS systems, and any Markdown tool using a basic CommonMark parser. Check whether your target platform supports GFM tables before relying on them.
- How do I fix a Markdown list that is not rendering correctly?
- Common list rendering fixes: (1) Add a blank line before the first list item — without it, the list may render as a paragraph in some parsers. (2) Use consistent list markers — mixing - and * in the same list can confuse some parsers; stick to one. (3) For nested lists, indent exactly 2 or 4 spaces (tabs can cause inconsistent behavior across parsers). (4) Ensure ordered list items start with actual numbers followed by a period and space (1. item not 1) item). Test in WikiPlus Markdown Editor to see the rendered output and adjust until the preview matches your intended structure.