SEO Tools
22 free browser-based tools for seo workflows
Free SEO Tools Online
SEO tools cover the technical checks and snippets that often block publishing: preview title tags, generate robots.txt rules, build XML sitemaps, prepare schema markup, audit headings, and verify canonical or redirect behavior. They are designed for site owners who need practical output they can paste into code, CMS settings, or review notes.
Built for technical SEO cleanup, launch checks, and quick search-result snippet improvements.
Category scope
22
tools indexed in this hub
Recommended starting points
These pages match the highest-intent tasks in this category and link onward to nearby tools and guides.
Meta Tag Generator
Generate HTML meta tags for SEO
Robots.txt Generator
Generate robots.txt files for search engines
Sitemap XML Generator
Generate XML sitemaps for search engines
SERP Preview
Preview how your page appears in Google search results
Canonical URL Builder
Generate canonical URL tags to prevent duplicate content
Schema.org Generator
Generate JSON-LD structured data for rich results
Common tasks
Start from the job you need to finish, then open the closest utility.
All seo tools
Meta Tag Generator
Generate HTML meta tags for SEO
Robots.txt Generator
Generate robots.txt files for search engines
Sitemap XML Generator
Generate XML sitemaps for search engines
SERP Preview
Preview how your page appears in Google search results
Canonical URL Builder
Generate canonical URL tags to prevent duplicate content
Schema.org Generator
Generate JSON-LD structured data for rich results
Open Graph Generator
Generate Open Graph meta tags for social sharing
Keyword Density Analyzer
Analyze keyword frequency and density in text
Redirect Chain Checker
Check URL redirects and redirect chains
Page Speed Checklist
Interactive checklist for optimizing page speed
Heading Structure Analyzer
Analyze HTML heading hierarchy for SEO
Twitter Card Generator
Generate Twitter Card meta tags for X/Twitter sharing
Hreflang Tag Generator
Generate hreflang tags for multilingual websites
FAQ Schema Generator
Generate FAQ structured data for rich search results
Breadcrumb Schema Generator
Generate breadcrumb structured data for navigation
SEO Title & Meta Checker
Check SEO title and meta description length and quality
OG Image Preview Tester
Preview how your Open Graph image appears on social platforms
UTM Link Builder
Build UTM-tagged URLs for campaign tracking
.htaccess Redirect Generator
Generate Apache .htaccess redirect rules
Rich Snippet Preview
Preview how your page appears in Google search results
Anchor Text Analyzer
Analyze anchor text distribution in your HTML content
Social Media Image Sizes
Reference guide for social media image dimensions
Related guides
Guide
How to use Meta Tag Generator
Generate HTML meta tags for SEO
Guide
How to use Open Graph Generator
Generate Open Graph meta tags for social sharing
Guide
How to use Robots.txt Generator
Generate robots.txt files for search engines
Guide
How to use Sitemap XML Generator
Generate XML sitemaps for search engines
Guide
How to use Keyword Density Analyzer
Analyze keyword frequency and density in text
Guide
How to use SERP Preview
Preview how your page appears in Google search results
Guide
How to use Canonical URL Builder
Generate canonical URL tags to prevent duplicate content
Guide
How to use Schema.org Generator
Generate JSON-LD structured data for rich results
FAQ
Do these tools replace an SEO audit?
No. They handle focused technical jobs and snippet generation; a full audit still needs crawl data, analytics, search console evidence, and content review.
Can I copy the generated SEO markup directly?
Yes, but review the output against your framework, canonical URL policy, and production crawl rules before deploying.