Blog/Markdown Link Checker
Broken or incorrect links can make Markdown documents less reliable and harder to use. Our free Markdown Link Checker scans your Markdown content, extracts links, and helps you identify invalid URLs, empty links, duplicate links, and other common issues.
Whether you maintain a GitHub README, technical documentation, or a knowledge base article, this tool makes link validation quick and easy. Runs in your browser — no registration or upload required.
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Links connect readers to documentation, resources, project pages, and external references. Even a small URL mistake can lead to broken navigation and a poor user experience.
This Markdown Link Checker reviews links within your Markdown content before publishing. Paste your text and analyze link structures, identify potential problems, and keep documentation accurate and professional.
When Markdown files grow larger, manually checking every link becomes difficult. This tool automates the process and highlights issues that might otherwise go unnoticed.
Benefits include detecting invalid links, finding empty or incomplete URLs, identifying duplicate links, reviewing external and internal links, improving documentation quality, and saving time during content reviews.
The tool extracts Markdown links and images, flags empty URLs, missing protocols on external links, invalid URL formatting, duplicate URLs, and separates internal anchors from external links.
Note: this is a syntax and structure checker in your browser. It does not make live HTTP requests to verify that remote pages are online.
Markdown Link Generator — create properly formatted hyperlinks.
Markdown Anchor Link Generator — build same-page section links.
Markdown Word Counter — count words and document statistics.
Markdown Editor — write and preview Markdown online.
Paste Markdown, check links, fix issues, validate again.
Copy from your README, documentation, wiki article, or blog draft.
Paste into the editor and click Check links to scan all URLs.
Review detected links, fix empty URLs or formatting problems, then check again.
Find empty URLs and malformed links before publishing documentation.
Review repeated URLs for consistency across long Markdown files.
See how many links point inside the document versus external resources.
Check links in your browser without upload or account signup.
Where Markdown link validation helps most.
Check project documentation before publishing repository updates.
Validate links across guides, tutorials, and API documentation.
Ensure references remain accurate before team-wide publication.
Catch linking mistakes during content reviews and editing.
Quick answers about link validation, GitHub READMEs, duplicates, and privacy.
A Markdown Link Checker analyzes Markdown content and helps identify link-related issues such as invalid URLs, empty links, and formatting errors.
Yes. The tool works with GitHub README files and other Markdown documents.
No. It only analyzes links and reports potential issues. Your Markdown remains unchanged.
Valid links improve user experience, documentation quality, and overall content reliability.
Yes. Duplicate URLs are identified so you can review them for consistency.
Yes. You can validate Markdown links online without creating an account.
