SEO & Metadata Utilities
Explore our suite of developer-focused tools to manage, validate, and optimize your website search rankings.
Crawler User-Agent Parser & Spoofer Debugger
Audit how your server resolves layouts and headers when requested by Googlebot, Bingbot, or social scrapers.
- Googlebot, Bingbot, and Twitterbot header spoofing
- Inspect HTML response size, status, and redirects
- Identify cloaking issues or IP firewall blocks
- Check server-side rendering configurations
Dynamic Open Graph Image Generator
Design and customize high-converting 1200x630px social media share images directly inside your browser.
- Visual HTML5 Canvas editor at 1200x630px specs
- Custom backgrounds, gradients, and layout presets
- Drag-and-drop brand logo and custom title inputs
- Direct browser download as PNG
Favicon Generator
Scaffold a complete set of multi-device icons, manifests, and meta tags for Apple, Android, and Windows.
- Upload any image and generate all icon sizes
- Apple Touch Icon, Android Chrome, and Windows Tile
- Auto-generate site.webmanifest
- Download as ZIP with ready-to-use HTML
Google SERP Snippet Preview Tool
Simulate and optimize your search results titles and descriptions for desktop and mobile displays.
- Desktop and mobile search previews
- Real-time character and pixel-width calculations
- Title and description search truncation warnings
- SEO snippet keyword highlighting
Hreflang Tag & Alternate Language Generator
Generate error-free HTML hreflang link tags and sitemap configurations for international SEO.
- Support for ISO 639-1 language and ISO 3166-1 country codes
- Default fallback x-default tags generator
- Generates copy-paste HTML markup
- Compiles XML Sitemap international nodes configuration
HTML Document Head Performance Auditor
Audit your HTML header element sequence and assets structure for crawl performance and meta security policies.
- Evaluate critical first 1024 bytes structure
- Audit meta elements sequence (charset, viewport, title)
- Identify render-blocking CSS/JS and CDN hints
- SEO headers completeness checking
JSON-LD Schema Generator
Generate structured schema.org markup in JSON-LD format to earn Google rich results and FAQ badges.
- Article, FAQ, HowTo, Product schema types
- Visual form builder with live JSON preview
- Google Rich Results Test integration
- One-click copy for <script> injection
JSON-LD to HTML Microdata Converter
Translate structured data formats back and forth between standalone JSON-LD scripts and inline HTML Microdata.
- JSON-LD script schemas parsing
- Output inline Microdata spans and divs variables
- Bidirectional schema translations (Microdata to JSON-LD)
- Validates output markup structures
Large Sitemap XML Splitter & Index Builder
Split massive lists of site URLs into standard-compliant 50,000-link XML sitemaps and compile a master index.
- Split URLs by 50,000 links or 50MB file thresholds
- Generate sitemap-index.xml master directory
- Outputs download-ready XML package structure
- Validates URLs for absolute schemes and canonicals
Link Attribute & nofollow Visualizer Map
Scan your webpage and visualize a visual node map of internal vs external links, nofollow, and sponsored attributes.
- Extract internal and external links layout
- Scan link directives (nofollow, sponsored, ugc, follow)
- Visual interactive map representing crawl pathways
- PageRank sculpting and link flow audits
Meta Tag Auditor
Audit the HTML header tags of any live site to verify search engine crawls and length compliance.
- Scrape and display all meta tags from any URL
- Validate title and description lengths
- Check for missing OG and Twitter tags
- Detect duplicate or conflicting tags
- Export audit report as JSON
Open Graph Generator
Generate and preview optimized Open Graph meta tags for Facebook, LinkedIn, Discord, and WhatsApp.
- Real-time previews for 8+ networks
- SEO validation against character limits
- One-click copy and snippet download
Open Graph Video & Audio Player Generator
Configure advanced rich-media Open Graph tags to embed media players directly inside chat applications.
- Generate secure video and audio nested properties
- Support for MP4, WebM, MP3, and OGG stream configurations
- Width, height, and secure URL secure checks
- Ready-to-use HTML headers block export
Page Link Status Code & Broken Links Finder
Scan your page links and trace HTTP response codes to resolve broken 404 targets and loops.
- Extract internal and external links layout
- Verify status codes in parallel (200, 301, 404, 500)
- Identify redirect chains and target loop issues
- Export broken links audit report
PWA Web App Manifest Validator
Audit and validate your site.webmanifest JSON schemas to ensure compatibility with Chrome, Safari, and PWA installable criteria.
- JSON schema syntax checking
- Validate mandatory PWA attributes (name, start_url, icons)
- Check splash backgrounds and theme configurations
- Chrome mobile install criteria audit
Robots.txt & Sitemap Builder
Configure crawling instructions and sitemap indexes to guide search engine bots through your site architecture.
- Visual robots.txt rule builder
- Sitemap XML generator with priority settings
- Common crawler presets (Googlebot, Bingbot, GPTBot)
- Syntax validation and preview
Robots.txt Rule Match Simulator
Simulate crawler bot behaviors by testing how specific User-Agents and URL paths match your robots.txt rules.
- Paste-in robots.txt rules or fetch from URL
- User-Agent selectors (Googlebot, GPTBot, Slackbot, etc.)
- Highlights the exact rule line that matches a path
- Validates wildcard asterisk and dollar configurations
Security & Trust HTTP Headers Auditor
Audit your website security headers to verify search trust indicators (CSP, HSTS, X-Frame-Options).
- Content-Security-Policy (CSP) validator
- HSTS max-age and subdomains checks
- X-Frame-Options clickjacking audits
- Google Page Experience security parameters checks
Social Card Share Simulator
Test and inspect how your link looks when shared on WhatsApp, LinkedIn, Slack, and Discord.
- Slack, Discord, WhatsApp, and LinkedIn preview frames
- Real-time metadata testing and parser emulation
- Image aspect-ratio audits and warning highlights
- Dynamic share text previews
Structured Data JSON-LD Visual Inspector
Parse your webpage or paste JSON-LD code to inspect and validate all structured Schema.org entities.
- JSON-LD, Microdata, and RDFa schema parsing
- Visual interactive tree nodes representation
- Entity relationship audits (e.g. Person, organization)
- Google rich snippet validation error indicators
Twitter Card Generator
Create optimized Twitter Card meta tags to display large images and summary cards on X.
- Summary and summary_large_image card types
- Real-time X.com preview rendering
- Automatic OG fallback detection
- Player card configuration