Free Online Website & SEO Tools

Website to App ConverterCreate a professional Android app wrapper for your website with app identity, theme, navigation, WebView features, device permissions, offline behavior and downloadable Android Studio or PWA project files. Robots.txt TesterTest a public URL against its live robots.txt rules for a selected crawler, inspect the matched rule and review the fetched robots file. AI Bot Access TesterCheck live robots.txt access for major AI search and training crawlers individually instead of treating every AI crawler as one bot. XML Sitemap GeneratorGenerate a standards-aware XML sitemap from pasted canonical URLs or crawl a public site for up to 50 same-origin pages, then review and download the XML. XML Sitemap ValidatorValidate sitemap XML structure, URL entries, namespaces and protocol limits locally with clear errors and warnings. Sitemap URL ExtractorExtract URL locations from sitemap XML or sitemap index XML, deduplicate them and download a clean URL list. Sitemap Index GeneratorBuild a sitemap index from multiple sitemap URLs with optional last modified dates and protocol-limit checks. Image Sitemap GeneratorGenerate current image sitemap XML from page URLs and image URLs using supported image location markup without deprecated caption or title fields. Video Sitemap GeneratorGenerate video sitemap XML with page, thumbnail, title, description and a direct video content URL. News Sitemap GeneratorGenerate Google News sitemap XML for recent article URLs with publication name, language, date and title fields. Hreflang Tag GeneratorGenerate a complete hreflang link-tag set from language-region and URL rows, including duplicate checks and an optional x-default URL. Hreflang TesterInspect a public page for hreflang tags, resolve targets and flag missing self references, duplicates and malformed language-region values. Canonical Tag GeneratorGenerate a clean canonical link tag from a validated absolute URL. Canonical CheckerFetch a public page and inspect its canonical tag, canonical count, absolute target, redirect behavior and same-page consistency. Meta Robots GeneratorBuild a robots meta tag with index/follow, snippet, image preview, archive, translate and related directives. X-Robots-Tag GeneratorBuild an X-Robots-Tag HTTP header value for HTML or non-HTML resources with granular indexing directives. SERP Snippet SimulatorPreview desktop and mobile-style search snippets with title, description, URL and approximate title/description length guidance. Open Graph GeneratorGenerate Open Graph metadata for title, description, URL, image, site name, locale and content type. Open Graph Preview & CheckerInspect live Open Graph metadata from a public page and preview how the core title, description and image data fit together. Twitter / X Card GeneratorGenerate X/Twitter Card markup with title, description, image and account metadata for a large-image social card. Social Share Preview ToolPreview Open Graph and X/Twitter-style social cards from entered title, description, URL and image data. UTM Campaign URL BuilderBuild campaign URLs with source, medium, campaign, term, content and custom parameters while preserving existing query values. UTM URL ParserParse UTM and other query parameters from a URL into a readable table with tracking-versus-functional classification. URL Cleaner / Tracking Parameter RemoverRemove common tracking parameters such as UTM, gclid, fbclid and msclkid while preserving functional URL parameters. Redirect CheckerFollow a public URL through redirects and show every HTTP status, Location target and final destination. Redirect Chain CheckerAudit multi-hop redirects and flag long chains, loops, temporary redirects and final non-200 responses. 301 Redirect GeneratorGenerate common Apache, Nginx and PHP 301 redirect snippets from an old path or URL to a new destination. .htaccess Redirect GeneratorGenerate Apache .htaccess redirect rules for single URLs, HTTP-to-HTTPS and www/non-www canonicalization. Nginx Redirect GeneratorGenerate Nginx return/rewrite redirect snippets for URL moves, HTTPS enforcement and host canonicalization. .htaccess TesterReview pasted .htaccess redirect directives for common syntax, ordering and redirect-loop risks without claiming to execute Apache configuration. HTTP Status Code CheckerCheck the live HTTP status, final URL, response timing and redirect count for a public URL. HTTP Header CheckerFetch and display normalized live response headers for a public URL with status, final URL and redirect context. Security Headers CheckerAudit common response security headers including CSP, HSTS, frame protection, MIME sniffing, referrer policy and permissions policy. Security Headers GeneratorGenerate a practical baseline set of security headers for Apache or Nginx with conservative presets and deployment warnings. Content Security Policy GeneratorBuild a Content-Security-Policy from editable directives and source lists with report-only mode and a live serialized policy. CSP AnalyzerAnalyze a pasted Content-Security-Policy for missing high-value directives and risky sources such as wildcards, unsafe-inline and unsafe-eval. CORS Header CheckerInspect live CORS-related response headers and flag risky wildcard credentials combinations or missing origin controls. Cache-Control Header GeneratorBuild Cache-Control header values for public/private caching, max-age, s-maxage, revalidation, immutable and no-store scenarios. Cache Header AnalyzerInspect live Cache-Control, Expires, Age, ETag, Last-Modified and Vary headers and summarize cache behavior. Favicon GeneratorUpload an image and generate real favicon PNG sizes, favicon.ico, Apple/Android icons, head markup and a web app manifest locally in the browser. Favicon CheckerInspect a public page for icon, shortcut icon, Apple touch icon and manifest references and resolve their absolute URLs. HTML Heading CheckerInspect H1-H6 headings on a public page, show the document outline and flag missing H1s, multiple H1s and skipped heading levels. Image Alt Tag CheckerInspect page images for missing, empty and populated alt attributes with source URL and a concise accessibility/SEO summary. Internal Link ExtractorExtract and deduplicate same-host links from a public page with anchor text and resolved absolute URLs. External Link ExtractorExtract and deduplicate outbound links from a public page with anchor text, hostname and resolved target URLs. Broken Link CheckerExtract page links and check a bounded set of live targets for HTTP errors and redirect outcomes without crawling the entire web. Noindex CheckerCheck robots meta and X-Robots-Tag directives on a public URL and distinguish noindex from robots.txt crawl blocking. Indexability CheckerCombine live status, robots.txt access, meta robots, X-Robots-Tag and canonical signals into an explainable indexability assessment. Page Word CounterFetch a public HTML page, remove scripts/styles and count visible-text words, characters, headings and paragraphs. HTML Source InspectorFetch bounded HTML source from a public page with status, content type, size, truncation indicator and searchable source output. Mobile Viewport Meta GeneratorGenerate a mobile viewport meta tag with width, initial scale and optional user scaling controls. Responsive Breakpoint TesterPreview a public URL in adjustable iframe viewport presets when the target site permits framing, with exact width and height controls. RSS Feed ParserFetch and parse RSS or Atom feeds into channel metadata and recent item rows with links and publication dates. RSS Feed ValidatorValidate core RSS/Atom XML structure, required channel/feed fields and entry links with clear errors and warnings. Website Technology DetectorInspect response headers and HTML fingerprints for common CMS, analytics, frameworks, CDNs and server technologies with confidence labels. DNS LookupLook up public A, AAAA, CNAME, MX, NS and TXT records from the WordPress server with private-network protection. WHOIS / RDAP LookupLook up standards-based public domain registration data through RDAP, including registrar/status/events when the registry exposes them. SSL Certificate CheckerInspect a public host TLS certificate for subject, issuer, validity dates, days remaining, SAN names and signature algorithm. WWW Redirect CheckerCompare apex and www host behavior over HTTPS and show redirect/final URL differences. HTTP to HTTPS Redirect CheckerCheck whether an HTTP URL redirects safely to HTTPS and show each hop and final destination. Website Screenshot ToolCapture the final mobile or desktop viewport screenshot returned by Google Lighthouse/PageSpeed Insights with explicit third-party processing disclosure. Page Size AnalyzerMeasure fetched HTML response bytes, content encoding/type, redirect count and selected asset reference counts for a public page. Core Web Vitals / PageSpeed ToolRun Google PageSpeed Insights on a public URL and summarize Lighthouse scores and lab metrics, plus URL-level CrUX field Core Web Vitals when Google returns them. Schema Markup CheckerExtract JSON-LD from a public page, parse each block and report syntax, @context, @type and basic structural issues. Structured Data ExtractorExtract JSON-LD blocks plus basic Microdata and RDFa indicators from a public page for direct inspection. Rich Result Readiness CheckerInspect public JSON-LD for common Google-supported rich-result types and flag obvious missing high-value fields without claiming eligibility. SEO Audit LiteRun a fast technical on-page audit covering status, title, description, canonical, robots, headings, images, links, viewport, structured data and key headers. AI Crawler Policy GeneratorGenerate explicit robots.txt groups for current search and AI crawlers with separate discoverability, training and custom access choices. LLMs.txt GeneratorDraft an experimental llms.txt-style site guide from project name, summary and important links, clearly labelled as a non-standard convention.