SEO Tools
Generate meta tags, build robots.txt files, create XML sitemaps, produce structured data markup, and analyze your on-page SEO — all processed locally in your browser.
Featured SEO Tools
The most popular tools SEO professionals use every day.
Meta Tag Generator
Create complete HTML meta tags including title, description, keywords, Open Graph, and Twitter Card tags.
Robots.txt Generator
Build a valid robots.txt file with crawl rules for search engines, user agents, and specific directories.
Schema Markup Generator
Generate valid JSON-LD structured data for articles, products, FAQs, breadcrumbs, and organizations.
SERP Preview
Preview exactly how your page will appear in Google search results with title and description length checks.
Keyword Density Checker
Analyze keyword frequency and density in your content to optimize for search engines without keyword stuffing.
Heading Structure Checker
Validate your H1–H6 heading hierarchy for proper semantic structure and accessibility compliance.
All SEO Tools
Browse our complete collection of 20 browser-based SEO utilities.
Meta Tag Generator
Create complete HTML meta tags for title, description, keywords, and social sharing.
Meta Tag Analyzer
Analyze existing meta tags and get recommendations for improved SEO performance.
Meta Description Preview
Preview how your meta description appears in search results and check character limits.
SERP Preview
See exactly how your page will look in Google search results before publishing.
Robots.txt Generator
Build a valid robots.txt file with rules for search engine crawlers and directory access.
Robots.txt Validator
Validate your robots.txt file syntax and check for common configuration errors.
XML Sitemap Generator
Generate a complete XML sitemap with URLs, priorities, change frequencies, and last modified dates.
XML Sitemap Validator
Validate your XML sitemap against protocol specifications and check for common issues.
Open Graph Generator
Generate Open Graph meta tags for optimized Facebook, LinkedIn, and social media sharing.
Twitter Card Generator
Create Twitter Card meta tags for summary, summary large image, and app card types.
Schema Markup Generator
Generate JSON-LD structured data for multiple schema types with guided field inputs.
FAQ Schema Generator
Create FAQ structured data to enable rich result FAQ snippets in Google search.
Breadcrumb Schema Generator
Generate breadcrumb structured data for enhanced navigation rich results in search.
Organization Schema Generator
Create organization structured data with logo, contact info, and social profiles.
Article Schema Generator
Generate article structured data for news, blog posts, and editorial content.
Product Schema Generator
Create product structured data with price, rating, availability, and review information.
Canonical URL Checker
Verify canonical tags are correctly set and check for duplicate content issues.
Keyword Density Checker
Analyze keyword frequency, density, and distribution in your content for SEO optimization.
Meta Length Checker
Check title and meta description character lengths against Google's display limits.
Heading Structure Checker
Validate heading hierarchy (H1–H6) for proper document outline and SEO best practices.
Related Categories
Explore more browser-based tool collections.
PDF Tools
Merge, split, compress, convert, and edit PDF documents.
Image Tools
Compress, resize, crop, convert, and edit images.
Text Tools
Count words, convert case, generate keywords, and clean text.
Developer Tools
Format, minify, validate, encode, and convert code and data.
Utility Tools
QR codes, password generators, UUIDs, color pickers, and more.
Frequently Asked Questions
Are these SEO tools really free?
Yes. All 20 SEO tools are completely free with no sign-up required. Every tool runs directly in your browser with no hidden costs, usage limits, or premium tiers.
Is my website data sent to a server?
No. All processing happens locally in your browser using JavaScript. Your URLs, meta tags, HTML content, and any other data never leave your device. Nothing is uploaded, stored, or logged on any server.
How does the Schema Markup Generator work?
Fill in the fields for your content type (article, product, FAQ, breadcrumb, or organization) and the tool generates valid JSON-LD structured data. Copy the output and paste it into your page's HTML head section or use Google Tag Manager to deploy it.
Can I use the SERP Preview to test my pages?
Yes. The SERP Preview tool shows you exactly how your page title and meta description will appear in Google search results. You can adjust character counts to ensure your titles stay under 60 characters and descriptions stay under 160 characters for optimal display.
What is the difference between the Meta Tag Generator and Meta Tag Analyzer?
The Meta Tag Generator creates complete meta tag code based on your page details, including title, description, keywords, and social tags. The Meta Tag Analyzer evaluates your existing meta tags and provides recommendations for improvement based on current SEO best practices.
How these tools work: All processing happens in your browser. Your URLs, meta tags, and SEO data are never uploaded to any server. Nothing is logged or stored.