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TLD & Domain Extension Lookup - Online All Endings

Search a complete list of all top‑level domains. See which still have availability. For brand naming. Static reference.

Reference domain extension reference TLD

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Social Card Meta Tester - Online See Facebook, Twitter, LinkedIn Previews

Enter a URL and see live mocked previews for Facebook, Twitter, LinkedIn, and Slack based on its meta tags. Find missing tags.

Developer Tools meta Open Graph preview social card

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Social Post Previewer - Online See Link on Facebook, LinkedIn, Twitter

Enter a URL and see a simulated preview of how the link will appear on major social platforms. Check tags.

SEO link Open Graph SEO social preview

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Alt Text Suggestion Tool - Online Image Description Generator

Upload an image and get a suggested alt text description using a local vision model (WASM). Improve SEO and accessibility fast.

Accessibility accessibility alt text generator SEO

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Sitemap Splitter - Online Break Large Sitemaps

Break a large XML sitemap into smaller ones under the 50MB/50,000 URL limit. Generates a sitemap index.

Generator large SEO sitemap splitter

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URL Canonicalizer - Online Normalize & Compare

Enter two URLs and see if they resolve to the same canonical form after normalization. Find duplicate content issues.

Developer Tools canonical compare normalize URL

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Review Schema Markup Generator - Online JSON‑LD for Testimonials

Create a Review or aggregateRating structured data. Perfect for star ratings in search results. Copy the code.

Generator JSON‑LD rating review schema

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Article Schema Markup Generator - Online JSON‑LD for Blogs

Generate an Article or BlogPosting structured data with headline, author, and image. For rich blog results.

Generator article blog JSON‑LD schema

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Product Schema Markup Generator - Online JSON‑LD for Ecommerce

Create a Product structured data with reviews, price, and availability. Boost your ecommerce visibility in search.

Generator generator JSON‑LD product schema

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Event Schema Markup Generator - Online JSON‑LD for Concerts

Build a complete Event structured data with performer, location, and dates. Get Google‑ready JSON‑LD for tickets.

Generator event JSON‑LD schema SEO

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Twitter Card Previewer - Online See How Tweets Render

Enter a URL and fetch its Twitter card meta tags. See a live preview of how the tweet will appear. Debug social sharing.

SEO preview SEO Twitter card validator

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Dynamic OG Image Generator - Online Create Social Cards

Enter title, subtitle, and logo URL. Generate a beautiful Open Graph image ready for social sharing. Download PNG.

Generator generator image Open Graph social

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Slug Transliteration Tester - Online Latinize & Clean URLs

Test how non‑Latin characters (Chinese, Cyrillic, Arabic) convert to URL‑safe slugs with proper transliteration rules. Preview the final string.

SEO latinize slug transliterate URL

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WHOIS Domain Lookup - Online Ownership & Expiration Check

Check WHOIS information for any domain: registrar, expiration date, and name servers. Quick and private using public WHOIS data aggregators.

Network domain expiration lookup WHOIS

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Broken Image Finder - Online Check Page for Missing Pictures

Enter a URL and get a list of all images that fail to load (404, CORS). A simple asset audit tool. Runs in your browser.

Developer Tools asset broken image checker finder

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HTML Meta Inspector - Online View All Page Meta

Paste a URL and extract all meta tags, Open Graph, Twitter Cards, and JSON‑LD. View in a friendly table. Client‑side fetch.

Developer Tools extract inspector meta SEO

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Meta Tag Length Checker - Online Title & Description Pixel Width

See how your title and meta description will be truncated in Google SERP by pixel width. Optimize click‑through.

SEO length meta tag SEO SERP

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Local Business Schema Generator - Online JSON‑LD for SEO

Generate a LocalBusiness structured data snippet with name, address, phone, and opening hours. Boost local SEO.

Generator JSON‑LD local business schema SEO

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Breadcrumb Structured Data Generator - Online JSON‑LD

Create a breadcrumb schema for your website. Fill in the pages and get the ready‑to‑paste JSON‑LD snippet for rich results.

Generator breadcrumb JSON‑LD SEO structured data

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Hreflang Tag Generator - Online International SEO

Build hreflang tags for multi‑language websites. Select languages and URLs and get the complete <link> snippet.

Generator generator hreflang multilingual SEO

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Robots.txt Tester - Online Check URL Allow/Disallow

Enter a URL and a user‑agent to see if it is allowed or blocked by the robots.txt file. Quick bot validation.

Developer Tools robots.txt SEO tester validator

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Link Preview Analyzer - Online See Open Graph & Meta of Any URL

Paste a URL and see the og:title, description, image, and twitter card that will be used when shared. No server needed.

Developer Tools analyzer link preview meta Open Graph

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DNS Propagation Checker - Online Verify Record Status

Query a domain's DNS record against multiple public resolvers (Google, Cloudflare) and see how it propagates. Client‑side fetch.

Network checker DNS global propagation

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Heading Structure Visualizer - Online Document Outline Check

Paste an URL or HTML and see the h1‑h6 hierarchy as a tree. Detect skipped levels and improve accessibility. Client‑side.

Accessibility accessibility headings outline SEO

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Open Graph Image Generator - Online Social Card from Photo

Upload a photo and turn it into an optimized Open Graph image with title overlay. Perfect for blog social shares. Canvas.

Generator generator image Open Graph social

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Web Page Resource Analyzer - Online List Assets & Size

Fetch a page and list all loaded assets (CSS, JS, images) with their sizes. See total page weight. Quick performance check.

Developer Tools analyzer page performance resources

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Web Performance Checklist - Online Quick Audit

Answer questions about your page (image size, caching, fonts) and get a tailored list of optimization tips. Manual audit helper.

Performance audit checklist lighthouse performance

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URL Redirect Chain Tracer - Online Check Hops

Enter a URL and follow every redirect until the final destination. Shows each hop's status code, location, and duration.

Network chain redirect status URL

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SEO Title & Meta Optimizer - Online Pixel Width Preview

See how your page title and description will look in Google SERP. Check pixel width and character count. Local tool.

Optimization meta preview SEO title

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Simple Page Speed Tester - Online Core Web Vitals Emulator

Enter a URL and get a quick simulation of First Contentful Paint, LCP, and CLS using browser metrics. Lightweight alternative.

Developer Tools CLS LCP page speed Web Vitals

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XML Sitemap Validator - Online Check Structure & Errors

Paste your sitemap XML and check for missing namespaces, invalid URLs, or size limit violations. Keep your SEO healthy.

SEO SEO sitemap validator XML

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Keyword Extractor - Online Rapid Text Analysis

Paste any article and get a list of the most relevant keywords using a simple TF‑IDF‑like model. Skip stop words. All local.

SEO extractor keywords SEO text

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Word Density Counter - Online SEO & Content Analysis

Paste your article and see a table of the most frequent words with their density percentages. Help avoid keyword stuffing. Local.

SEO analysis counter SEO word density

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Open Graph Audit Tool - Online Check Social Meta

Enter a URL and see a preview of how it will appear when shared on Facebook, Twitter, LinkedIn. Detect missing tags.

Developer Tools audit Open Graph preview social

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HTML Headings Outline Generator - Online From Webpage

Enter a URL and see a nested list of all headings (h1‑h6). Check your document structure for SEO and accessibility. Pure fetch.

Developer Tools headings HTML outline SEO

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Sitemap URL Extractor - Online Get All Links from XML

Paste the content of an XML sitemap and extract a plain list of all the URLs. For further analysis. Local.

SEO extract SEO sitemap URLs

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Multilingual Slug Generator - Online Remove Accents & Transliterate

Create SEO‑friendly slugs that handle characters from any language. Removes accents, converts Cyrillic, Greek, etc. to Latin. Local.

SEO generator multilingual slug transliterate

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Open Graph Image Maker - Online Simple OG:Image Text

Create a basic Open Graph image with a title, background color, and logo. Download as PNG. Perfect for small sites.

Generator generator image meta Open Graph

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Content Inventory Generator - Online Count Words & Headings

Paste HTML or Markdown to count total words, unique words, heading distribution, and reading time. Content audit helper.

SEO audit content inventory headings words

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Structured Data Testing Tool - Online Validate Rich Results

Paste your JSON‑LD or Microdata and test it against Google's Rich Results criteria. Get warnings. Local linter.

Developer Tools rich results schema structured data validate

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Live Website Audit Checker - Online Quick SEO & Performance

Enter a URL and get a one‑page report of titles, description, headings, image alts, and broken links. All from browser.

Developer Tools audit checker performance SEO

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HTML Outline Extractor - Online Heading Map from URL

Enter a URL and see a nested list of all h1‑h6 tags. Check document structure for SEO and accessibility.

Developer Tools extract headings outline SEO

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Image Sitemap Generator - Online XML for Photos

Paste a list of image URLs and generate a valid Google Image Sitemap XML. Essential for photography sites.

Generator generator image sitemap XML

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Recipe Schema Generator - Online JSON-LD for Food Blogs

Build a recipe rich snippet by filling out ingredients, cook time, and nutrition. Get the valid JSON-LD code.

Generator generator JSON-LD recipe schema

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FAQ Page Schema Generator - Online JSON-LD for Rich Results

Enter your FAQ questions and answers, and get ready‑to‑paste JSON-LD structured data. Boost search appearance.

Generator FAQ generator JSON-LD schema

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Favicon Checker - Online Test Any Site's Icon

Enter a URL and see its favicon at all standard sizes. Check if it's properly defined. SEO basic check.

Developer Tools checker favicon icon SEO

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HTTP Redirect Path Tracer - Online SEO Chain Analyzer

Trace the full redirect path of a URL. See every hop, status code, and final destination. Detect broken chains.

Developer Tools checker HTTP redirect SEO

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Robots.txt Validator - Online Check Syntax & Rules

Paste a robots.txt file and validate its syntax. See if a specific user‑agent can access a path. Essential for webmasters.

Developer Tools robots.txt SEO syntax validator

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Advanced Slug Generator - Online Custom Separator & Language

Convert title to URL slug with options: ignore stop words, transliterate special characters, choose separator. SEO friendly.

SEO generator SEO slug URL

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Website Carbon Footprint Estimator - Online Eco Check

Enter a URL and get a rough estimate of its carbon emissions per page view. Based on data transfer size and energy model. Educational.

SEO carbon eco green website

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Query Parameter Extractor - Online URL Param Table Viewer

Enter a full URL and get all query parameters in a clean table with decoded values. Quickly see UTM and tracking params.

Developer Tools extractor param query parameter URL

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Page Speed Simulator - Online Estimate Load Metrics

Enter a URL and get a rough client-side performance simulation: request count, DOM size, and potential speed tips. No real Lighthouse.

Developer Tools Lighthouse page speed performance simulator

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Structured Data Generator - Online JSON-LD Article & Product

Create JSON-LD structured data snippets for articles, products, and events. Fill in fields and copy the code. SEO helper.

Generator generator JSON-LD schema structured data

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Open Graph Debugger - Online Fetch & Preview Social Card

Enter a URL to see exactly what Open Graph and Twitter card tags will be shown when shared on social media. Fetch from browser.

Developer Tools debugger Open Graph preview social

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Meta Tag Extractor - Online View Any Page's SEO Tags

Fetch and extract all meta tags, open graph tags, and Twitter cards from a live URL. No server proxy, direct browser fetch.

Developer Tools extractor meta tags OG SEO

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URL Status Code Checker - Online Bulk HTTP Response Tool

Check HTTP status codes for multiple URLs at once. Identify broken links and redirects. All requests made via browser fetch.

Developer Tools broken links bulk checker HTTP status

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SEO Friendly URL Rewriter - Online Slug Optimizer

Convert messy URLs into clean, keyword-rich slugs. Remove stop words, replace spaces with hyphens. Lowercase transformation. All local.

SEO rewriter SEO slug URL

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Canonical Tag Checker - Online Rel=Canonical Inspector

Check a live URL to extract and validate its canonical link element. Ensure correct SEO configuration. Runs from your browser.

Developer Tools canonical tag checker duplicate content SEO

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Redirect Path Tracer - Online SEO Redirect Chain Analyzer

Enter a URL and trace the full redirect chain, seeing each hop's status code and location. Identify unnecessary redirects. Client-side fetch.

Developer Tools chain path redirect SEO

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Title Tag Optimizer - Online SEO Title Preview & Pixel Width

Preview how your page title will appear in Google SERPs. See pixel width and character count. Avoid truncation. Free local tool for SEOs.

Developer Tools pixel width SEO SERP title tag