# Codesala SEO > A free suite of 53+ professional SEO tools. All tools are usable instantly without login or payment. Results can be exported as PDF/Excel by free account holders. Codesala SEO (https://codesala.in/seo) offers free SEO audits, AI content generation, keyword research, schema generators, website lookup, technical SEO checks and more. ## Audit & Analysis Crawl and grade any page. - [SEO Audit](https://codesala.in/seo/tool/seo-audit): Full on-page SEO health report for any URL. - [Meta Tags Analyzer](https://codesala.in/seo/tool/meta-tags-analyzer): Inspect & grade title, description, OG and Twitter tags. - [Keyword Density Checker](https://codesala.in/seo/tool/keyword-density): See which words a page is really optimised for. - [Heading Structure Analyzer](https://codesala.in/seo/tool/heading-analyzer): Visualise the H1–H6 outline and spot structure issues. - [Image ALT Checker](https://codesala.in/seo/tool/image-alt-checker): Find images missing ALT text that hurt accessibility & SEO. - [Broken Link Checker](https://codesala.in/seo/tool/broken-link-checker): Crawl a page and flag dead 4xx/5xx links. - [Page Speed Analyzer](https://codesala.in/seo/tool/page-speed): Measure load time, page weight and request hints. - [Mobile-Friendly Test](https://codesala.in/seo/tool/mobile-friendly): Check viewport, tap targets and responsive signals. - [Canonical & Index Checker](https://codesala.in/seo/tool/canonical-checker): Verify canonical tags, robots meta and indexability. - [Hreflang Checker](https://codesala.in/seo/tool/hreflang-checker): Audit international hreflang annotations. - [Robots.txt Tester](https://codesala.in/seo/tool/robots-tester): Fetch and validate a live robots.txt file. - [Word & Readability Counter](https://codesala.in/seo/tool/word-counter): Word count, reading time and Flesch readability score. - [HTTP Header & Security Checker](https://codesala.in/seo/tool/http-headers): Inspect response headers and grade security headers. - [Redirect Checker](https://codesala.in/seo/tool/redirect-checker): Trace the full 301/302 redirect chain of any URL. - [DNS Records Lookup](https://codesala.in/seo/tool/dns-lookup): View A, AAAA, MX, TXT, NS & CNAME records. - [SSL Certificate Checker](https://codesala.in/seo/tool/ssl-checker): Check SSL validity, issuer and expiry days. - [Email & Social Extractor](https://codesala.in/seo/tool/email-extractor): Pull emails & social profiles from any page. - [Sitemap Finder & Validator](https://codesala.in/seo/tool/sitemap-finder): Locate and validate a site’s XML sitemap. - [Website Tech Detector](https://codesala.in/seo/tool/tech-detector): Detect CMS, frameworks & tools a site is built on. - [Website Lookup (Full Info)](https://codesala.in/seo/tool/website-lookup): Everything about a site: tech stack, hosting, server location, IP, DNS & SSL. ## Generators Generate SEO-ready code & files. - [Robots.txt Generator](https://codesala.in/seo/tool/robots-generator): Build a clean robots.txt with sitemap & crawl rules. - [XML Sitemap Generator](https://codesala.in/seo/tool/sitemap-generator): Crawl your site and produce a ready sitemap.xml. - [Schema Markup Generator](https://codesala.in/seo/tool/schema-generator): Generate JSON-LD structured data for rich results. - [Meta Tags Generator](https://codesala.in/seo/tool/meta-generator): Create perfect title, description, OG & Twitter tags. - [Open Graph Generator](https://codesala.in/seo/tool/og-generator): Social share preview tags for Facebook, LinkedIn, X. - [Htaccess Redirect Generator](https://codesala.in/seo/tool/htaccess-generator): Force HTTPS, www/non-www and 301 redirects. - [UTM Campaign Builder](https://codesala.in/seo/tool/utm-builder): Build trackable campaign URLs for analytics. - [SEO Slug Generator](https://codesala.in/seo/tool/slug-generator): Turn any title into a clean, SEO-friendly URL slug. - [QR Code Generator](https://codesala.in/seo/tool/qr-generator): Generate a scannable QR code for any link. - [Google SERP Snippet Preview](https://codesala.in/seo/tool/serp-preview): See exactly how your page looks in Google results. - [Text Case Converter](https://codesala.in/seo/tool/text-case): UPPER, lower, Title, Sentence, camel, snake & kebab case. - [Strong Password Generator](https://codesala.in/seo/tool/password-generator): Generate secure random passwords instantly. - [Lorem Ipsum Generator](https://codesala.in/seo/tool/lorem-ipsum): Placeholder text for mockups & designs. - [Privacy Policy Generator](https://codesala.in/seo/tool/privacy-policy): A ready privacy policy for your website. ## Keyword Research Find keywords people search for. - [Keyword Research](https://codesala.in/seo/tool/keyword-research): Hundreds of real keyword ideas with intent grouping. - [Autocomplete Suggestions](https://codesala.in/seo/tool/keyword-suggestions): A-Z Google autocomplete expansion for any seed. - [Long-Tail Keyword Finder](https://codesala.in/seo/tool/long-tail-keywords): Low-competition long-tail phrases worth targeting. - [LSI / Related Keywords](https://codesala.in/seo/tool/lsi-keywords): Semantically related terms to enrich your content. - [Keyword Difficulty](https://codesala.in/seo/tool/keyword-difficulty): Estimate how hard it is to rank for a keyword. ## Links & Authority Backlinks and domain strength. - [Backlink Checker](https://codesala.in/seo/tool/backlink-checker): Discover referring domains and link signals. - [Domain Authority Checker](https://codesala.in/seo/tool/domain-authority): Estimate domain strength and trust signals. - [Outbound Link & Anchor Analyzer](https://codesala.in/seo/tool/anchor-analyzer): Audit a page’s outbound links, anchors and nofollow. - [Link Extractor](https://codesala.in/seo/tool/link-extractor): Extract every internal & external link from a page. ## AI Writing AI content that ranks & reads human. - [AI SEO Writer](https://codesala.in/seo/tool/ai-seo-writer): Generate a full SEO-optimised article in seconds. - [AI Content Rewriter](https://codesala.in/seo/tool/ai-rewriter): Rewrite & spin content while keeping the meaning. - [AI Humanizer](https://codesala.in/seo/tool/ai-humanizer): Make AI text read naturally and bypass AI detectors. - [AI Meta Description Writer](https://codesala.in/seo/tool/ai-meta-writer): Click-worthy meta descriptions under 160 chars. - [AI Blog Title Generator](https://codesala.in/seo/tool/ai-title-generator): 10 high-CTR, SEO-friendly headline ideas. - [AI FAQ Generator](https://codesala.in/seo/tool/ai-faq-generator): Generate FAQs + ready FAQ schema for any topic. - [AI Paragraph Writer](https://codesala.in/seo/tool/ai-paragraph-writer): Instant well-written paragraphs from a prompt. - [AI Product Description Writer](https://codesala.in/seo/tool/ai-product-description): Sales-ready product descriptions that convert. - [AI Social Media Post Writer](https://codesala.in/seo/tool/ai-social-post): Ready-to-post captions with hashtags & emojis. - [AI Grammar & Spelling Fixer](https://codesala.in/seo/tool/ai-grammar): Fix grammar, spelling & clarity instantly. ## About - [About](https://codesala.in/seo/about): who runs the site, data sources and tool limits - [Contact](https://codesala.in/seo/contact) - [Privacy Policy](https://codesala.in/seo/privacy) - [Terms of Use](https://codesala.in/seo/terms)