markdown-crossref-validator

To validate markdown links and anchors across multiple files, run the validator against your project to extract headings, resolve relative paths, and report broken internal references with actionable fix suggestions.

Cross-reference validation works by parsing markdown documents to extract headings, resolve anchors, and verify that inline, reference-style, and HTML links point to valid targets within the repository.

Yes, you can check relative file paths and cross-file references by applying the validator to multi-file markdown projects, which resolves paths and confirms consistency across large documentation bases.

The best way to find missing heading anchors is to use a validation tool that extracts document headings and matches them against internal links, reporting mismatches and missing targets.

Markdown link validation works with HTML links by extracting and verifying them alongside inline and reference-style links to ensure they point to valid file targets and headings.

Internal links break after renaming headings because the anchor references no longer match the new heading text, requiring validation to detect mismatches and suggest updated anchor links.