Free SEO Tools
Every tool on Scrawl is free with no login, no credit card, and no usage limits. Whether you're a blogger fixing technical errors, a freelancer running a client audit, or a developer verifying SEO after a deployment, these tools give you professional-grade analysis directly in your browser. Browse 50+ tools across five categories — Crawl & Audit, On-Page SEO, Performance, Technical SEO, and Utility Tools. Run a bulk HTTP status check, validate your XML sitemap, audit Core Web Vitals, inspect structured data, check redirect chains, or build UTM tracking URLs — all without installing anything or creating an account. Use the search and category filters below to find the right tool for your workflow.
Bulk Status Checker
Check HTTP status codes for hundreds of URLs at once to audit site health, find 404s and flag redirect loops.
Bulk Redirect Checker
Validate large batches of redirects instantly to ensure seamless migrations and preserve link equity.
Broken Link Checker
Identify 404s and broken links across multiple URLs to protect user experience and crawl budget.
Redirect Chain Checker
Trace any URL's full redirect path hop by hop with visual chain diagram and loop detection.
Security Headers Checker
Audit HTTP security headers, get a letter grade, and copy ready-made Apache, Nginx and Cloudflare fixes.
Robots.txt Tester
Simulate crawler behavior to verify your site's robots.txt directives and ensure proper indexing.
XML Sitemap Validator
Analyze XML sitemaps for critical errors to guarantee complete and efficient search engine crawling.
Sitemap Health Auditor
Comprehensive audit of URLs in a sitemap for status codes, indexability, and structural issues.
Crawl Depth Checker
Map your site architecture and identify pages buried too deep for search engines to crawl.
Internal Link QA Validator
Validate updated internal link URLs from audit spreadsheets with rate limiting to avoid bot detection.
Title Tag Checker
Evaluate title tags across pages to ensure correct length, keyword targeting, and brand alignment.
Meta Description Checker
Audit meta descriptions to maximize SERP click-through rates while adhering to pixel limits.
H1/H2 Extractor
Scrape and analyze heading structures to evaluate content hierarchy and optimization consistency.
Canonical Checker
Verify rel=canonical tags to resolve duplicate content issues and consolidate ranking signals.
Hreflang Checker
Audit international targeting tags to ensure localized content reaches the right global audiences.
Duplicate Title & Meta Finder
Identify recurring metadata across URLs to eliminate cannibalization and improve content uniqueness.
SEO Content QA Checker
Compare expected vs live titles, descriptions and H1s. Post-migration QA tool.
PageSpeed Checker
Assess Core Web Vitals and load times to provide actionable insights for technical performance.
Core Web Vitals Checker
Check LCP, CLS, INP scores with mobile vs desktop comparison powered by Google PageSpeed Insights.
Keyword Density Analyzer
Analyze keyword frequency, density and phrase extraction for any URL with over-optimization detection.
Image Alt Checker
Audit image files for missing alternative text to improve both accessibility and image search visibility.
Lazy Load Checker
Verify the implementation of deferred image loading to enhance initial page load metrics.
Image Size Checker
Check image file sizes, formats, alt text and dimensions for any URL with optimization recommendations.
Heading Structure Visualizer
Visualize H1-H6 heading hierarchy, detect structure issues, and compare headings across two URLs.
Meta Tag Generator
Generate complete HTML meta tags for title, description, Open Graph, and Twitter Card in seconds. Copy individual sections or the full block.
Schema Checker
Validate structured data markup against schema.org guidelines to secure rich snippets in SERPs.
Structured Data Generator
Generate valid JSON-LD schema markup for Article, Product, LocalBusiness, FAQ, Breadcrumb and more.
Open Graph & Twitter Checker
Inspect social graph tags to ensure content displays perfectly when shared across all major networks.
Internal Link Analyzer
Map internal link networks to optimize pagerank flow and improve topical authority distribution.
Nofollow Link Checker
Audit outlinks and evaluate the utilization of nofollow attributes for strategic link equity management.
AMP Validator
Check Accelerated Mobile Pages for markup validity to ensure lightning-fast mobile caching.
Pagination Checker
Review rel=next and rel=prev tags to guarantee seamless crawling of paginated category structures.
Bulk Redirect Mapper
Auto-generate redirect mapping rules from legacy URLs to new destinations for complex site migrations.
Diff Checker
Compare live URL content against drafts to track semantic changes, heading structures, and SEO impact in real-time.
UTM Builder
Construct standardized tracking URLs for precise campaign attribution across all your marketing channels.
URL Encoder/Decoder
Instantly encode or decode complex URL strings for safe parameter handling and troubleshooting.
SERP Snippet Previewer
Visualize how metadata will appear in Google Search to optimize copy for higher engagement rates.
Robots.txt Generator
Create robust robots.txt files with advanced rules to exercise fine-grained control over search crawls.
XML Sitemap Generator
Compile dynamic XML sitemaps automatically to streamline the indexing of large-scale client sites.
HTTP Header Checker
Inspect raw server response headers to verify caching policies, security headers, and accurate routing.
SSL Certificate Checker
Check any domain's SSL certificate instantly. See issuer, expiry date, days remaining, TLS version, and Subject Alternative Names.
Domain Age Checker
Check how old any domain is instantly. See registration date, expiry date, registrar, and exact age in years, months, and days.
Google PageRank Checker
Google discontinued public PageRank in 2016. Learn what replaced it, how to measure page authority today, and which free tools to use instead.
Bulk Meta Robots Checker
Check meta robots and X-Robots-Tag headers across multiple URLs at once. Find noindex, nofollow, and blocking directives instantly. Free.
Google Index Checker
Check if any URL is indexed by Google instantly. Find why pages are not indexed and how to fix indexing issues fast. Free, no login required.