UD5 Toolkit
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.
SEO Tools - Search Engine Optimization
75+ toolsHTML <head> Element Optimizer ā Best Practice Checklist
Paste your <head> section to check for missing favicon links, social meta tags, preload hints, and proper charset. Get a score and improvement list.
International Slug Transliterator ā Remove Diacritics for URLs
Convert text containing accented characters (Ć©, Ć¼, Ʊ) to their ASCII equivalents for clean, readable URL slugs. Supports many European languages.
URL Slug Generator ā Clean & SEOāFriendly Permalinks
Convert any title or sentence into a clean URL slug. Lowercases, replaces spaces with hyphens, and strips unsafe characters for use in web addresses.
FAQ Schema Markup Generator ā JSONāLD for Google
Add questionāanswer pairs and instantly get the valid JSONāLD FAQ structured data. Test it in the preview and paste into your pageās <head>.
Open Graph & Twitter Card Tag Generator ā Social Previews
Fill out a simple form to generate all the necessary meta tags for beautiful link previews on Facebook, Twitter, LinkedIn, and Slack.
Google SERP Snippet Preview ā Title, Meta & URL
Enter your page title, meta description, and URL slug to see how they will appear in Googleās search results. Flag truncation and optimize for CTR.
Page Load Time Impact Calculator ā Speed vs Revenue
Estimate how a 1-second delay in page load time impacts your bounce rate, conversions, and potential revenue. Uses industry benchmarks to show the cost of slow sites.
TLD & Domain Extension Lookup - Online All Endings
Search a complete list of all topālevel domains. See which still have availability. For brand naming. Static reference.
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.
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.
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.
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.
URL Canonicalizer - Online Normalize & Compare
Enter two URLs and see if they resolve to the same canonical form after normalization. Find duplicate content issues.
Review Schema Markup Generator - Online JSONāLD for Testimonials
Create a Review or aggregateRating structured data. Perfect for star ratings in search results. Copy the code.
Article Schema Markup Generator - Online JSONāLD for Blogs
Generate an Article or BlogPosting structured data with headline, author, and image. For rich blog results.
Product Schema Markup Generator - Online JSONāLD for Ecommerce
Create a Product structured data with reviews, price, and availability. Boost your ecommerce visibility in search.
Event Schema Markup Generator - Online JSONāLD for Concerts
Build a complete Event structured data with performer, location, and dates. Get Googleāready JSONāLD for tickets.
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.
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.
Slug Transliteration Tester - Online Latinize & Clean URLs
Test how nonāLatin characters (Chinese, Cyrillic, Arabic) convert to URLāsafe slugs with proper transliteration rules. Preview the final string.
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.
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.
HTML Meta Inspector - Online View All Page Meta
Paste a URL and extract all meta tags, Open Graph, Twitter Cards, and JSONāLD. View in a friendly table. Clientāside fetch.
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 clickāthrough.
Local Business Schema Generator - Online JSONāLD for SEO
Generate a LocalBusiness structured data snippet with name, address, phone, and opening hours. Boost local SEO.
Breadcrumb Structured Data Generator - Online JSONāLD
Create a breadcrumb schema for your website. Fill in the pages and get the readyātoāpaste JSONāLD snippet for rich results.
Hreflang Tag Generator - Online International SEO
Build hreflang tags for multiālanguage websites. Select languages and URLs and get the complete <link> snippet.
Robots.txt Tester - Online Check URL Allow/Disallow
Enter a URL and a userāagent to see if it is allowed or blocked by the robots.txt file. Quick bot validation.
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.
DNS Propagation Checker - Online Verify Record Status
Query a domain's DNS record against multiple public resolvers (Google, Cloudflare) and see how it propagates. Clientāside fetch.
Heading Structure Visualizer - Online Document Outline Check
Paste an URL or HTML and see the h1āh6 hierarchy as a tree. Detect skipped levels and improve accessibility. Clientāside.
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.
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.
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.
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.
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.
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.
Keyword Extractor - Online Rapid Text Analysis
Paste any article and get a list of the most relevant keywords using a simple TFāIDFālike model. Skip stop words. All local.
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.
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.
HTML Headings Outline Generator - Online From Webpage
Enter a URL and see a nested list of all headings (h1āh6). Check your document structure for SEO and accessibility. Pure fetch.
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.
Multilingual Slug Generator - Online Remove Accents & Transliterate
Create SEOāfriendly slugs that handle characters from any language. Removes accents, converts Cyrillic, Greek, etc. to Latin. Local.
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.
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.
Structured Data Testing Tool - Online Validate Rich Results
Paste your JSONāLD or Microdata and test it against Google's Rich Results criteria. Get warnings. Local linter.
Live Website Audit Checker - Online Quick SEO & Performance
Enter a URL and get a oneāpage report of titles, description, headings, image alts, and broken links. All from browser.
HTML Outline Extractor - Online Heading Map from URL
Enter a URL and see a nested list of all h1āh6 tags. Check document structure for SEO and accessibility.
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.
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.
FAQ Page Schema Generator - Online JSON-LD for Rich Results
Enter your FAQ questions and answers, and get readyātoāpaste JSON-LD structured data. Boost search appearance.
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.
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.
Robots.txt Validator - Online Check Syntax & Rules
Paste a robots.txt file and validate its syntax. See if a specific userāagent can access a path. Essential for webmasters.
Advanced Slug Generator - Online Custom Separator & Language
Convert title to URL slug with options: ignore stop words, transliterate special characters, choose separator. SEO friendly.
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.
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.
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.
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.