Free tool
Markdown Link Checker
Check links inside Markdown with best-effort fetches.
CORS awareInstantNo uploads
Why it helps
Find broken links
Scan Markdown and validate URLs where possible.
Browser-only
Some sites block CORS, so results may be limited.
Markdown
Markdown link checker
CORS aware
FAQ
Quick answers about this tool.
Is this private?
Yes. All processing happens in your browser.
Do I need an account?
No. These tools are free and work without signup.
Can I use multiple files?
Yes. Most tools support batch processing.