20+ Free SEO Tools | Utilko
Free SEO tools online — meta tag generators, sitemap generators, robots.txt builders, schema markup tools, keyword density checkers, and Open Graph previews. No sign-up.
Free Online SEO Tools
Good SEO starts with the right technical foundation. Utilko's free SEO tools help you build that foundation — from generating meta tags to creating schema markup — all without paying for a subscription or logging in.
On-Page SEO Tools
- Meta Tag Generator — Create optimized title tags and meta descriptions for your web pages. Preview how they'll look in Google search results.
- Open Graph Generator — Generate OG meta tags for rich social media previews when your pages are shared on Facebook, LinkedIn, and Twitter.
- Schema Markup Generator — Create JSON-LD structured data for Articles, FAQs, Products, and Organizations to qualify for Google rich results.
Technical SEO Tools
- Robots.txt Generator — Build a robots.txt file to control how search engine crawlers access your site.
- Sitemap Generator — Generate an XML sitemap to help search engines discover and index all your pages.
- SSL Checker — Verify your SSL certificate is valid and properly installed — HTTPS is a Google ranking factor.
- DNS Lookup — Check DNS records to troubleshoot domain issues affecting indexability.
- HTTP Header Checker — Inspect response headers including canonical tags, X-Robots-Tag, and cache settings.
Content SEO Tools
- Word Counter — Track content length. Longer, comprehensive content tends to rank for more keywords.
- Readability Checker — Improve your Flesch Reading Ease score. More readable content has lower bounce rates.
- Text to Slug — Convert article titles to clean URL slugs for better URL structure and keyword inclusion.
Link & URL Tools
- URL Encoder/Decoder — Encode special characters in URLs to avoid broken links and redirect issues.
- Mailto Link Generator — Create properly formatted mailto links for contact pages without exposing emails to scrapers.
Image SEO
- Image Compressor — Reduce image file sizes for faster page load times — a core ranking factor.
- Image Resizer — Resize images to optimal dimensions to prevent layout shifts (CLS).
- Favicon Generator — Generate favicons for your website — a small but complete brand signal.
Featured Tools
Try these free tools directly in your browser — no sign-up required.
Meta Tag Generator
Generate complete HTML meta tags for SEO including title, description, robots, viewport, and canonical tags. Preview how your page appears in search results.
Open Graph Generator
Generate Open Graph and Twitter Card meta tags for rich social media previews. Preview how your link looks when shared on Facebook, Twitter, and LinkedIn.
Robots.txt Generator
Generate a valid robots.txt file for your website. Control which pages search engine crawlers can access and set your XML sitemap location.
Sitemap Generator
Generate a valid XML sitemap for your website. Enter your URLs, set priority and change frequency, and download a standards-compliant sitemap.xml.
Schema Markup Generator
Generate JSON-LD structured data markup for articles, products, FAQs, breadcrumbs, and more. Boost rich snippets in Google search results.