Webmaster Tools Tools
41 tools in total
IP Address Lookup
A professional online IP address lookup tool offering fast, accurate global IP geolocation. It precisely shows the country, province, city and network provider associated with an IP.
Webmaster Tools 232.7k uses
Domain Whois Lookup
A free online Whois lookup tool supporting a large number of top-level domains. Quickly get the domain registrar, registration date, expiry date, DNS servers and registrant information.
Webmaster Tools 86.7k uses
Network Port Reference
A free online network port reference listing the services and protocols of common and registered ports. Search by port number or keyword, perfect for development, operations and security troubleshooting.
Webmaster Tools 66.1k uses
Batch Whois Lookup
A free online batch Whois lookup tool that accepts multiple domains at once and lists each domain's registration status, registrar, registration and expiry dates line by line. It automatically distinguishes registered, unregistered, registry-reserved and unsupported domains, and results can be copied or exported to CSV.
Webmaster Tools 54k uses
Timestamp Converter
An online Unix timestamp converter that shows the current timestamp in real time and converts between timestamps and dates in both directions. Switch between seconds and milliseconds precision and pick your time zone — a must-have for development and debugging.
Webmaster Tools 52.1k uses
UTM Link Builder
An online UTM link builder: fill in the site URL and parameters such as utm_source, utm_medium and utm_campaign to generate a trackable campaign link — a must-have for marketing and traffic analysis.
Webmaster Tools 16.1k uses
SERP Preview
Preview in real time how your page appears in Google and Baidu search results. Enter title, URL and description to check the snippet rendering and get title/description length hints.
Webmaster Tools 43 uses
Meta Tags Generator
Generate meta tags online. Fill in title, description, keywords, canonical, Open Graph and Twitter card fields, then copy standard meta tags ready for the page head. Runs locally, nothing uploaded.
Webmaster Tools 42 uses
ARIA Attribute Generator
Generate ARIA attributes online. Pick a component role such as button, dialog or tab, toggle states like aria-expanded or aria-checked, and copy the resulting aria-* snippet. Runs locally, nothing uploaded.
Webmaster Tools 40 uses
HTTP Status Codes
A comprehensive online reference of HTTP status codes, covering the meanings, causes and suggested actions for common 1xx to 5xx codes, with search by number or keyword. Essential for development and troubleshooting.
Webmaster Tools 39 uses
HTTP Header Checker
A free online HTTP response header checker: enter a URL to view the status code, response headers, server information and redirect chain, helping you troubleshoot website access, caching and security policy issues.
Webmaster Tools 38 uses
Sitemap.xml Generator
An online sitemap.xml generator: enter your site address and page list to build a spec-compliant sitemap. Set change frequency and priority, then download or copy in one click — essential for SEO indexing.
Webmaster Tools 38 uses
SPF/DMARC Record Generator
An online SPF and DMARC record generator: visually configure sending sources, mechanisms and policies, generate standard TXT records with one click, and get DKIM tips — essential for email deliverability and anti-spam setup.
Webmaster Tools 38 uses
IP Range Calculator
An online IP range calculator and merger: enter start and end IPs or a CIDR to get the network range, mask, usable host count and address list. It also merges and deduplicates multiple networks—handy for network planning and operations.
Webmaster Tools 38 uses
HTTP Security Headers Checker
An online HTTP security headers checker. It fetches a site's response headers and checks each policy such as HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy and Permissions-Policy. You get a score with improvement suggestions, making it a handy tool for hardening a website.
Webmaster Tools 38 uses
IP Subnet / CIDR Calculator
An online IP subnet mask and CIDR calculator: enter an IP and mask to compute the network address, broadcast address, usable host range and host count. Supports common IPv4 ranges, ideal for network planning and operations.
Webmaster Tools 37 uses
Website Uptime Checker
An online tool for checking website availability and response time. It probes the target URL three times in a row, recording the HTTP status and response time of each attempt, and reports the availability status and average response time along with key details such as the server and content type. Handy for site monitoring and troubleshooting.
Webmaster Tools 37 uses
Keyword Density Analyzer
Analyze keyword density in any text. Get the total word count, top keywords after stop-word removal, occurrence counts and density percentages, with 1–3 word phrases and copyable results.
Webmaster Tools 37 uses
Mixed Content Checker
Detect insecure http:// scripts, styles, images, iframes and media on an HTTPS page. View counts grouped by resource type and get clear guidance to fix mixed content warnings.
Webmaster Tools 37 uses
Broken Link Checker
Scan a page for links, resolve and de-duplicate them, probe up to 30 with fast HEAD/GET requests, and list each link with its status code while highlighting broken ones.
Webmaster Tools 36 uses
User-Agent Parser
An online User-Agent parser: paste a UA string to identify the browser, version, operating system, device type and rendering engine. Quickly determine the visitor's origin; useful for compatibility troubleshooting and data analysis.
Webmaster Tools 35 uses
Accessibility Checker
Check the accessibility of an HTML snippet online. Detect images without alt text, form controls without labels, heading level skips and links lacking readable text. Runs locally, nothing uploaded.
Webmaster Tools 35 uses
SEO Checklist
Interactive SEO checklist online. Tick off title length, meta description, keyword density, internal links and image alt items to get a live score with suggestions. Runs locally, nothing uploaded.
Webmaster Tools 35 uses
SEO Content Analyzer
Analyse SEO content online. Count keyword occurrences and density, measure title and description length with approximate pixel width, and get optimisation tips. Runs locally, nothing uploaded.
Webmaster Tools 35 uses
Nginx Config Generator
An online Nginx config generator that visually produces common server blocks: static site setup, reverse proxy, HTTPS redirect, Gzip compression and caching rules. Just fill in the domain, port and options and the configuration updates in real time, ready to copy. Handy for server deployment and ops.
Webmaster Tools 35 uses
.htaccess Generator
An online .htaccess rule generator that visually configures 301 redirects, forced HTTPS, hotlink protection, caching and compression headers, and custom error pages. Tick the options you need and the rules are generated and ready to copy. Commonly used for configuring Apache sites.
Webmaster Tools 35 uses
Basic Auth Generator
An online Basic Auth generator: enter a username and password to instantly get an encrypted htpasswd entry ({SHA} format) and the HTTP Authorization header. Handy for website access control and API debugging.
Webmaster Tools 35 uses
User-Agent Generator
An online User-Agent generator that freely combines browser, version, operating system and device type into a UA string. It covers common mobile and desktop combinations, handy for API testing and crawler debugging.
Webmaster Tools 35 uses
Redirect Chain Checker
An online redirect chain checker. Enter a URL to trace every 301/302/303/307/308 hop and see the status code, target address and response time for each step. It helps you spot broken redirects and redirect loops, which is handy for SEO audits and site migrations.
Webmaster Tools 35 uses
robots.txt Viewer
An online robots.txt viewer. Enter a domain to fetch and parse the site's robots.txt, showing Allow/Disallow rules grouped by User-agent along with Sitemap URLs and crawl delay. It's a handy tool for checking crawler rules and doing SEO checks.
Webmaster Tools 35 uses
DNS Records Lookup
An online DNS records lookup tool that queries a domain’s A, AAAA, CNAME, MX, TXT, NS and other records all at once, showing the host, type, TTL and value together. Commonly used for DNS troubleshooting and configuration verification.
Webmaster Tools 35 uses
Webpage Info Extractor
An online webpage information extractor: enter a URL to fetch the page title, description, keywords, favicon and Open Graph metadata, so you can quickly review a page’s basic SEO information. Commonly used for site analysis and competitor research.
Webmaster Tools 35 uses
Structured Data Generator
Generate JSON-LD structured data for Article, Product, FAQPage, BreadcrumbList, Organization or LocalBusiness. Fill in a dynamic form and copy the ready-to-use schema markup.
Webmaster Tools 35 uses
robots.txt Generator
An online robots.txt generator that lets you visually configure Allow/Disallow rules, Sitemap URLs and crawl delay, and generate a standards-compliant robots.txt in one click. A must-have for SEO and crawler management.
Webmaster Tools 34 uses
Social Share Card Generator
An online tool to preview and generate social share cards (OG / Twitter Card). Fill in the title, description, site and image visually, preview the share result in real time, and generate the corresponding meta tags — a must for social optimization.
Webmaster Tools 34 uses
DNS Record Generator
An online DNS record generator: visually fill in the host, type and value for A, AAAA, CNAME, MX, TXT, CAA and other records to produce a standard record configuration you can copy in one click. A handy tool for domain DNS setup.
Webmaster Tools 34 uses
SSL Certificate Checker
A free online SSL certificate checker: enter a domain to view the certificate issuer, validity period, remaining days and supported protocols, and quickly tell whether an HTTPS certificate is valid or about to expire.
Webmaster Tools 33 uses
Website Favicon Fetcher
An online website favicon tool: enter a domain to preview and obtain the site's favicon URL, with several common paths and high-resolution icon services. Handy for link exchanges and directory sites.
Webmaster Tools 33 uses
hreflang Tag Generator
Generate hreflang tags online. Enter the language versions and URLs of a multilingual site to produce correct alternate hreflang link tags and avoid duplicate content. Runs locally, nothing uploaded.
Webmaster Tools 33 uses
DNS Lookup
A free online DNS lookup tool supporting A, AAAA, CNAME, MX, TXT, NS, SOA and CAA records. Enter a domain to instantly get its resolution results and quickly troubleshoot domain, email and website configuration issues.
Webmaster Tools 27 uses
Page Speed Checker
Measure a page’s response status, total load time, content size, server and content type, count scripts, styles, images and iframes, and get a 0–100 performance score with suggestions.
Webmaster Tools 18 uses