108+ Free SEO Tools
for Marketers & Webmasters
The complete SEO toolkit — meta tags, sitemaps, schema generators, keyword tools, technical analyzers and more. All tools work via PHP + cURL. No payment, no API keys.
Technical SEO
15 toolsRobots.txt Checker
Fetch and inspect any website's robots.txt file.
Technical SEORobots.txt Generator
Generate a robots.txt file with allow/disallow rules.
Technical SEOSitemap Checker
Detect and validate XML sitemap of any website.
Technical SEOSitemap Generator
Generate an XML sitemap from a list of URLs.
Technical SEOHTTP Status Checker
Check the HTTP status code returned by a URL.
Technical SEORedirect Checker
Trace redirect chains (301, 302, 307, 308) for any URL.
Technical SEOPage Size Checker
Measure HTML payload size and server response time.
Technical SEOBroken Link Checker
Find broken (4xx/5xx) links on any page.
Technical SEOSSL / HTTPS Checker
Verify HTTPS, certificate validity and protocol of any URL.
Technical SEOMobile-Friendly Checker
Check viewport, font sizes and tap-target hints for any URL.
Technical SEOCompression Checker
Check if Gzip/Brotli compression is enabled on a URL.
Technical SEOCache Control Checker
Inspect Cache-Control, ETag, Last-Modified headers.
Technical SEOMixed Content Checker
Find insecure HTTP resources on an HTTPS page.
Technical SEOFavicon Checker
Detect favicon declarations and sizes on any URL.
Technical SEOServer Header Analyzer
Inspect all HTTP response headers from any URL.
Technical SEOWhy Choose Our SEO Tools?
Privacy First
Most tools run on your server. URL-fetching tools use SSRF-protected cURL with private-IP blocking.
No API Keys
Every tool works out of the box. No registration, no API keys, no third-party services.
Free Forever
All 108+ tools are completely free with no rate limits or hidden costs.
Server-Side Fetching
Tools that scan URLs use PHP cURL. No CORS issues, no browser restrictions, real results.
Modern & Fast
Built with vanilla PHP + CSS. Responsive on every device, accessible, and lightning fast.
Comprehensive
From content analysis to schema generators, keyword research to technical SEO — every task covered.