Image Alt Checker

Check image alt text on any webpage. Find missing alts, empty alts, and quality issues. Free, private — no data sent to any server.

All processing in-browser via proxy · No data sent to any server

About Image Alt Checker

Check image alt text on any webpage. Find missing alts, empty alts, and quality issues. Free SEO image audit tool.

Complete Audit

Scans all images on a page and reports alt text status for each one. Detects missing, empty, and low-quality alt text.

Quality Analysis

Flags generic alt text like "image" or "photo" and short alts under 5 characters. Helps you write descriptive, keyword-rich alternatives.

Health Score

Visual gauge shows your overall alt text health percentage at a glance. Green for good, yellow for fair, red for poor.

Accessibility Focus

Alt text is critical for screen reader users. Poor alt text hurts both accessibility and SEO. Fix both with one audit.

📋 Common Use Cases

Improve Search Rankings

Optimize titles, meta descriptions, content, and technical SEO to rank higher in search results.

Content Strategy

Identify keyword opportunities and content gaps. Build data-driven content plans.

Technical SEO Health

Audit structured data, meta tags, and site structure to ensure search engines can effectively crawl and index your pages.

Competitive Advantage

Benchmark against competitors and find opportunities they are missing.

🪜 How to Use This Tool

  1. Enter your content or URL
    Paste text, provide a URL, or describe your topic. The tool analyzes your input for SEO optimization.
  2. Review the analysis
    See scores, flagged issues, and recommendations organized by priority and impact.
  3. Apply recommendations
    Follow step-by-step guidance to fix issues. Most tools show before/after comparisons.
  4. Verify and monitor
    Implement changes and re-audit periodically. SEO is ongoing — regular checks maintain rankings.

📚 Related Guides

Frequently Asked Questions

Are these SEO tools free?▼
Yes. All SEO tools are completely free. No signup needed.
Do the meta tags work for Google?▼
Yes. The meta tag generator creates standard Open Graph, Twitter Card, and HTML meta tags recognized by Google, Facebook, Twitter, and other platforms.
Is the schema markup valid?▼
Yes. The schema generator produces valid JSON-LD following Schema.org specifications for Article, FAQ, Product, LocalBusiness, and other types.