Free SEO Tools

Check, validate, and audit your site's SEO — one page at a time. Need a full site audit? Try CrawlRaven free.

Free SEO Audit

Most Popular Run a single-page SEO audit with 25+ checks — title tags, meta descriptions, schema, Core Web Vitals, and more. Get a scored report instantly. Use tool

AI Humanizer

New
Rewrite AI-generated text to sound naturally human. Choose tone, style, platform (X, LinkedIn, Reddit, TikTok), creativity level, and more. Use tool

Domain Rating Checker

New
Check the Domain Rating (DR) of any website on a 0–100 scale — live from the official Ahrefs API. See how strong a site's backlink profile is. Use tool

Redirect Chain Checker

Trace every redirect hop with status codes and response times. Detect loops, long chains, protocol downgrades, and 302 misuse. Use tool

Canonical Tag Checker

Validate canonical tags — self-referencing, protocol mismatches, trailing slash conflicts, noindex conflicts, and og:url consistency. Use tool

Hreflang Validator

Validate hreflang tags for international SEO — self-referencing, return tags, x-default, language codes, and duplicate detection. Use tool

Schema & JSON-LD Validator

Validate structured data markup — required properties, date formats, nested entities, and JSON syntax. Supports all major schema types. Use tool

Meta Tag Checker

Check title tags, meta descriptions, Open Graph tags, Twitter cards, canonical URLs, robots directives, and viewport settings. Use tool

Broken Link Checker

Find broken internal and external links on any page. Checks up to 50 links for 404 errors, redirects, and timeouts. Use tool

Robots.txt Tester

Analyze robots.txt — see which AI crawlers and search engines are blocked, find sitemaps, and identify access issues. Use tool

Need more than one page at a time?

CrawlRaven crawls your entire site — up to 100,000 pages — with 200+ automated checks and a prioritized fix list. Everything these tools do, at scale. Start Your Free Trial See Pricing