Free tool

Markdown Link Checker

Check links inside Markdown with best-effort fetches.

CORS awareInstantNo uploads
  • 100% Free to use
  • No credit card required
  • Works offline in your browser

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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

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How to use Markdown Link Checker for Maximum Social Media Growth

The Markdown Link Checker provides a fast, secure way to check links inside markdown with best-effort fetches. directly inside your web browser without installing additional software.

1

1. Select & Input

Upload your file or enter content directly in your web browser. 100% private and runs locally on your device.

2

2. Optimize & Format

Adjust settings, crop dimensions, or refine text tailored for social media algorithms and resolution standards.

3

3. Publish & AutoPost

Download your high-quality asset or push directly to Auto Poster AI to schedule automated posts across all channels.

Find broken links

Scan Markdown and validate URLs where possible.

Browser-only

Some sites block CORS, so results may be limited.

Why Formatting Consistency Matters

Social media algorithms favor content that meets platform recommendations. Using optimized tools like Markdown Link Checker helps prevent compression artifacts, aspect ratio distortion, and text cut-offs on mobile feeds.

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.

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