UD5 Toolkit
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.
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>.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Hreflang Tag Generator - Online International SEO
Build hreflang tags for multiālanguage websites. Select languages and URLs and get the complete <link> snippet.
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.
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.
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.
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.
Product Schema Markup Generator - Online JSONāLD for Ecommerce
Create a Product structured data with reviews, price, and availability. Boost your ecommerce visibility in search.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Article Schema Markup Generator - Online JSONāLD for Blogs
Generate an Article or BlogPosting structured data with headline, author, and image. For rich blog results.
Local Business Schema Generator - Online JSONāLD for SEO
Generate a LocalBusiness structured data snippet with name, address, phone, and opening hours. Boost local SEO.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Meta Tag Generator - Online SEO & Social Meta Tags Creator
Generate comprehensive HTML meta tags for SEO and social sharing (Open Graph, Twitter Cards). Copy ready-to-use code. Boost your search visibility.
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.
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.
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.
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.
Advanced Slug Generator - Online Custom Separator & Language
Convert title to URL slug with options: ignore stop words, transliterate special characters, choose separator. SEO friendly.
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.
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.
URL Canonicalizer - Online Normalize & Compare
Enter two URLs and see if they resolve to the same canonical form after normalization. Find duplicate content issues.
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.
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.
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.
Keyword Density Checker - Online SEO Text Analyzer
Analyze text for keyword frequency and density. Highlights over-optimized terms. Perfect for content writers and SEO editors. Entirely browser-based.
Event Schema Markup Generator - Online JSONāLD for Concerts
Build a complete Event structured data with performer, location, and dates. Get Googleāready JSONāLD for tickets.
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.
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.