Category

SEO Tools

Preview, validate, and improve pages for search, social sharing, crawling, metadata, and content structure.

18 toolsNo signupBrowser-first

Preview SERP and Open Graph snippets

Use this category when you need a quick result without opening a heavy app or creating an account.

Test robots.txt and metadata issues

Use this category when you need a quick result without opening a heavy app or creating an account.

Analyze keyword density and internal-link opportunities

Use this category when you need a quick result without opening a heavy app or creating an account.

Recommended paths

Useful seo workflows

Preview how a page appears in search and social feeds

Check snippets, meta tags, Open Graph cards, and Twitter/X cards before publishing.

SERP Snippet Preview Meta Tag Checker Open Graph Preview Twitter/X Card Preview

Catch crawl and indexing mistakes

Inspect robots rules, sitemaps, canonicals, and redirect chains.

Robots.txt Tester Sitemap Validator Canonical URL Checker URL Redirect Checker

How to use this category

Start with one of the highlighted tools, paste or enter only the data needed for the task, then copy the result into your own workflow. Each tool page explains its assumptions and limits where they matter.

Privacy and quality note

Some tools in this category use public network lookups or URL checks. Those pages disclose what is sent before you use them.

Start here

Popular seo tools

Schema.org JSON-LD Generator

Generate structured data markup for Article, Product, FAQ, and Organization.

Keyword Density Checker

Analyze word frequency and keyword density in text.

Core Web Vitals Auditor

Quick self-audit checklist for LCP, FID, and CLS.

Internal Linking Suggestion Tool

Find internal linking opportunities in your content.

Directory

All seo tools

Schema.org JSON-LD Generator

Generate structured data markup for Article, Product, FAQ, and Organization.

Keyword Density Checker

Analyze word frequency and keyword density in text.

Core Web Vitals Auditor

Quick self-audit checklist for LCP, FID, and CLS.

Internal Linking Suggestion Tool

Find internal linking opportunities in your content.

Meta Tag Checker

Paste HTML and audit title, meta description, canonical, robots, viewport, and social tags.

Open Graph Preview

Preview and generate Open Graph and Twitter/X card tags for social sharing.

SERP Snippet Preview

Preview how a page title, URL, and meta description may look in Google search results.

Robots.txt Tester

Test whether a URL path is allowed or blocked by pasted robots.txt rules.

Build campaign tracking URLs with utm_source, utm_medium, utm_campaign, and more.

Sitemap Validator

Validate pasted XML sitemap structure, URL count, loc values, and common sitemap issues.

Canonical URL Checker

Paste page HTML and audit canonical URL tags, duplicates, and common SEO issues.

Heading Structure Checker

Paste HTML and audit H1–H6 hierarchy, skipped levels, and missing page headings.

Extract links, anchors, emails, and link attributes from pasted HTML.

URL Redirect Checker

Analyze a pasted redirect chain for hops, status codes, HTTPS, and final URL issues.

HTTP Header Checker

Paste HTTP response headers and audit cache, security, content type, and indexing signals.

HTTP Status Log Summarizer

Summarize pasted HTTP status and latency samples from curl, monitors, or deployment smoke tests. Does not ping live URLs.

Page Size Checker

Estimate HTML and asset transfer size from pasted HTML or resource lists.

Twitter/X Card Preview

Preview and generate Twitter/X card meta tags for shared links.

SEO tools FAQ

Do SEO tools fetch live URLs?

Some tools work from pasted HTML or text; live URL checks use serverless fetches only when stated.

Will these guarantee rankings?

No. They help catch technical and content issues, but rankings depend on many external factors.

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