Free browser-based tools
Simple browser-based SEO helpers for titles, meta descriptions, snippets, robots.txt, schema, and URLs.
Built for site owners, bloggers, marketers, indie hackers, and SEO beginners. No account is required, and common calculations or transformations run locally in the browser.
All tools
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Each page includes an interactive tool, practical example, notes, and related tools.
On-page SEO
Title Tag Checker
Check title tag length, pixel estimate, and readability risk. On-page SEOMeta Description Checker
Check meta description length and search snippet fit. SERP PreviewSERP Preview Tool
Preview a simple Google-style search result snippet. Technical SEORobots.txt Tester
Test whether a path is blocked by simple robots.txt rules. Technical SEOSitemap URL Extractor
Extract URLs from sitemap XML text. Technical SEOCanonical URL Checker
Compare page URL and canonical URL for common mismatch risks. Structured DataSchema Markup Generator
Generate simple JSON-LD for Article, FAQ, or SoftwareApplication. SERP PreviewOpen Graph Preview
Preview title, description, image URL, and page URL for social sharing. On-page SEOKeyword Density Checker
Estimate keyword frequency and density in page copy. On-page SEOURL Slug Checker
Check slug length, words, separators, and readability. Technical SEOHreflang Tag Builder
Generate simple hreflang link tags for international pages. Structured DataFAQ Schema Builder
Generate FAQPage JSON-LD from questions and answers. On-page SEOPage Title Checker
Check title length, pixel estimate, and readability risk. SERP PreviewGoogle Title Preview
Review title length before publishing. On-page SEOSnippet Description Checker
Check description length and search snippet fit. SERP PreviewGoogle SERP Snippet Preview
Preview title, URL, and description together. Technical SEORobots Path Checker
Check whether simple robots.txt rules block a path. Technical SEOXML Sitemap URL Extractor
Extract URL locations from sitemap XML. Technical SEOCanonical Match Checker
Compare page and canonical URLs for mismatch risk. Structured DataJSON-LD Generator
Generate simple structured data JSON-LD. Structured DataFAQ JSON-LD Generator
Generate FAQPage JSON-LD from question blocks. SERP PreviewOpen Graph Card Preview
Preview social title, description, URL, and image. On-page SEOKeyword Frequency Checker
Estimate keyword frequency and density in page copy. Technical SEOHreflang Tag Generator
Generate hreflang link tags for international pages.On-page SEO
On-page SEO
Focused tools for common seo tools workflows.
On-page SEO
Title Tag Checker
Check title tag length, pixel estimate, and readability risk. On-page SEOMeta Description Checker
Check meta description length and search snippet fit. On-page SEOKeyword Density Checker
Estimate keyword frequency and density in page copy. On-page SEOURL Slug Checker
Check slug length, words, separators, and readability. On-page SEOPage Title Checker
Check title length, pixel estimate, and readability risk. On-page SEOSnippet Description Checker
Check description length and search snippet fit. On-page SEOKeyword Frequency Checker
Estimate keyword frequency and density in page copy.Technical SEO
Technical SEO
Focused tools for common seo tools workflows.
Technical SEO
Robots.txt Tester
Test whether a path is blocked by simple robots.txt rules. Technical SEOSitemap URL Extractor
Extract URLs from sitemap XML text. Technical SEOCanonical URL Checker
Compare page URL and canonical URL for common mismatch risks. Technical SEOHreflang Tag Builder
Generate simple hreflang link tags for international pages. Technical SEORobots Path Checker
Check whether simple robots.txt rules block a path. Technical SEOXML Sitemap URL Extractor
Extract URL locations from sitemap XML. Technical SEOCanonical Match Checker
Compare page and canonical URLs for mismatch risk. Technical SEOHreflang Tag Generator
Generate hreflang link tags for international pages.Structured Data
Structured Data
Focused tools for common seo tools workflows.
Structured Data
Schema Markup Generator
Generate simple JSON-LD for Article, FAQ, or SoftwareApplication. Structured DataFAQ Schema Builder
Generate FAQPage JSON-LD from questions and answers. Structured DataJSON-LD Generator
Generate simple structured data JSON-LD. Structured DataFAQ JSON-LD Generator
Generate FAQPage JSON-LD from question blocks.SERP Preview
SERP Preview
Focused tools for common seo tools workflows.
SERP Preview
SERP Preview Tool
Preview a simple Google-style search result snippet. SERP PreviewOpen Graph Preview
Preview title, description, image URL, and page URL for social sharing. SERP PreviewGoogle Title Preview
Review title length before publishing. SERP PreviewGoogle SERP Snippet Preview
Preview title, URL, and description together. SERP PreviewOpen Graph Card Preview
Preview social title, description, URL, and image.Guides
How to use these tools well
Short guides that explain workflows, mistakes, and practical use cases.
Guide