Free SEO Tools

170 Professional
SEO Tools — Free

Domain research, schema generators, keyword tools, content analysis, on-page SEO, DNS, security, and performance — all in one place. No account. No limits.

170 Tools
19 Categories
✅ No Signup
⚡ Instant Results
🔍 170 tools

🧩 Schema JSON-LD Generators

12 tools
❓
FAQ Schema Generator
Build FAQPage JSON-LD markup from Q&A pairs. Enable FAQ rich results in Google Search and People Also Ask boxes.
JSON-LDFAQRich Results
📋
HowTo Schema Generator
Generate HowTo structured data with steps, time estimates, and cost. Enable step-by-step rich results in Google Search.
HowToJSON-LDSteps
📝
Article Schema Generator
Create Article, BlogPosting, NewsArticle, and TechArticle schema with author, publisher, and date metadata. Boost E-E-A-T signals.
ArticleE-E-A-TJSON-LD
🛍️
Product Schema Generator
Generate Product structured data with price, availability, brand, SKU, and reviews. Enable rich product snippets in search results.
ProductEcommerceRich Snippets
🍞
Breadcrumb Schema Generator
Build BreadcrumbList JSON-LD for any page hierarchy. Enable breadcrumb rich results in Google Search instead of raw URLs.
BreadcrumbNavigationJSON-LD
🏪
LocalBusiness Schema Generator
Create LocalBusiness markup with address, phone, opening hours, and ratings. Improve local pack rankings and Google Maps visibility.
Local SEOBusinessJSON-LD
📅
Event Schema Generator
Generate Event structured data for in-person, online, or hybrid events. Appear in Google's event rich results with date and ticket info.
EventTicketsJSON-LD
🍳
Recipe Schema Generator
Build Recipe JSON-LD with ingredients, instructions, nutrition, and ratings. Enable Google recipe rich results and Google Images badges.
RecipeFoodJSON-LD
🎬
Video Schema Generator
Create VideoObject schema for YouTube and hosted videos. Improve video indexing and enable video rich results in Google Search.
VideoYouTubeJSON-LD
⭐
Review Schema Generator
Generate Review structured data for products, businesses, books, and apps. Enable star rating rich snippets for your review pages.
ReviewStarsAffiliate
🏢
Organization Schema Generator
Create Organization markup with logo, social profiles, and contact data. Build brand entity signals and support Google Knowledge Panel.
BrandE-E-A-TJSON-LD
👤
Person Schema Generator
Build Person structured data for authors and professionals. Establish author authority, expertise signals, and E-E-A-T credentials.
AuthorE-E-A-TJSON-LD

✍️ Content AI Tools

7 tools
✍️
Blog Outline Generator
Generate structured blog post outlines with AI. Get H2/H3 headings, intro points, and CTA for any topic, audience, and article type.
AIOutlineContent Plan
❓
FAQ Content Generator
Generate complete FAQ sections with AI. Choose tone, audience, and number of Q&A pairs. Ready-to-publish FAQ content for any topic.
AIFAQContent
📑
Subheading Generator
Generate SEO-optimized H2 and H3 subheadings for any article with AI. Build clear content structure with keyword-rich section headers.
AIH2/H3Structure
📊
Headline Analyzer
Score any headline for SEO, CTR, and engagement. Analyzes word count, power words, emotional words, and character length instantly.
HeadlineCTRTitle Tag
✏️
Passive Voice Checker
Detect passive voice sentences instantly. Highlight passive constructions, get percentage score, and write stronger active-voice content.
WritingReadabilityContent Quality
⚡
Power Words Analyzer
Analyze text for persuasive power words across 6 categories: urgency, trust, value, emotion, authority, and curiosity. Improve CTR and conversions.
CopywritingCTRPersuasion
🔬
Thin Content Detector
Detect thin content signals: word count, lexical diversity, heading structure, and readability. Avoid Google's thin content penalty.
Content AuditQualitySEO

🖼️ Image SEO Tools

5 tools
🖼️
Alt Text Generator
Generate 3 SEO-optimized alt text variations for any image. Context-aware: product, portrait, infographic, screenshot, and general. Character count included.
Image SEOAccessibilityAlt Text
📐
Image Aspect Ratio Calculator
Calculate aspect ratios, scale images proportionally, and get size conversions for all platforms. Prevents CLS with correct width/height attributes.
Aspect RatioCore Web VitalsResponsive
⚡
Lazy Load Code Generator
Generate native lazy loading, Intersection Observer, and srcset lazy load HTML for any image. Boost LCP and reduce initial page weight instantly.
Lazy LoadPage SpeedLCP
📱
Srcset Generator
Build responsive image srcset and picture element code with WebP fallback. All major breakpoints, multiple URL naming conventions. Instant output.
srcsetWebPResponsive
✨
Image Filename Optimizer
Bulk optimize image filenames for SEO. Remove camera prefixes, timestamps, and special characters. Add keyword prefix. Convert to .webp. Batch processing.
FilenameImage SEOBulk

📣 Social & Sharing Tools

5 tools
🐦
Click-to-Tweet Generator
Turn any quote into a click-to-tweet link. Generates tweet URL, HTML embed button, and WordPress shortcode. Boost content sharing with one click.
Twitter/XSocial ShareEmbed
🔗
Share Button Generator
Generate copy-paste HTML share buttons for 8 platforms: Twitter, Facebook, LinkedIn, WhatsApp, Telegram, Pinterest, Reddit, Email. No plugins needed.
Share ButtonsHTMLNo Plugin
💼
LinkedIn Post Preview
Preview LinkedIn posts before publishing. Check character count, hashtag count, read time. See exactly how your post looks with link preview cards.
LinkedInPreviewSocial Media
📌
Pinterest Pin Preview
Preview Pinterest pins before publishing. Check image, title length, description, and generate your save-to-Pinterest URL. Optimize for max clicks.
PinterestPinPreview
✉️
Email Signature Generator
Build professional HTML email signatures with logo, social links, and brand colors. Compatible with Gmail, Outlook, and all major email clients. Free.
EmailHTML SignatureProfessional

🧾 Content Template Generators

10 tools
⚖️
Pros & Cons Generator
Generate balanced pros and cons lists for any topic with AI. Choose perspective and points count. Ready for blog posts, product reviews, and comparison content.
AIPros & ConsReview
📊
Comparison Table Generator
Generate detailed AI comparison tables for any products or tools. Up to 3 items × 12 criteria. Structured analysis with symbols. Instant output.
AIComparisonContent
📋
Listicle Outline Generator
Generate complete listicle outlines with numbered items and descriptions for any topic with AI. Best X, Top Y, and ranked list article structures.
AIListicleOutline
📝
Meta Description Generator
Generate optimized meta description variations with AI. Real-time character count tracking targeting the 150-160 char sweet spot. Multiple intent options.
AIMeta DescriptionSEO
🏷️
Title Tag Generator
Generate SEO-optimized title tags with AI. Multiple formats: listicle, how-to, review, guide, question. Character length bar keeps you in the 50-60 char zone.
AITitle TagCTR
🎯
CTA Text Generator
Generate compelling CTA text for buttons, banners, popups, and emails with AI. Urgent, friendly, bold, or curiosity-driven tones. 8 variations at once.
AICTAConversion
🔄
Alternatives Page Template
Generate 'alternatives to X' page templates with AI. Free, cheaper, better, or beginner-friendly angles. Complete content structure for affiliate and SaaS SEO.
AIAlternativesAffiliate
📖
Intro & Outro Generator
Generate compelling article introductions and conclusions with AI. Keyword-aware hooks, audience-targeted tone, CTA integration. Ready to use immediately.
AIIntroductionConclusion
📍
Local Landing Page Template
Generate complete local landing page copy for any service and city with AI. H1, meta, body, FAQs, and CTA all included. Scale to 100 cities instantly.
AILocal SEOLanding Page
🧮
Feature Comparison Matrix
Build feature comparison matrices instantly. Generate HTML and Markdown tables for any products. Fill in criteria, export, done. No AI needed — pure client-side.
MatrixHTML TableMarkdown

🔍 Domain & WHOIS

11 tools
🔍
WHOIS Lookup
Check domain registration details, ownership, expiry date, registrar, and nameservers instantly.
WHOISRegistrarExpiry
📅
Domain Age Checker
Find exactly how old a domain is — years, months, and days from first registration date.
Domain AgeRegistrationSEO
✅
Domain Availability
Check if a domain name is available for registration. Bulk check up to 10 domains at once.
AvailabilityBulk CheckRegistration
⏳
Wayback Machine Checker
Check website archive history. See total snapshots, first archived year, and browse historical versions.
ArchiveHistorySnapshots
⏱️
Drop Date Estimator
Estimate when an expiring domain will be available. Calculates grace period, redemption, and drop date from RDAP data.
Drop DateRDAPGrace Period
💎
Domain Valuation
Estimate the market value of any expired domain based on DA, backlinks, age, TLD, and niche. Auto-fills from our database.
AppraisalMarket ValuePrice
💡
Domain Name Generator
Generate creative, brandable domain name ideas from any keyword. 60+ suggestions with availability check links.
Name IdeasBrandableAvailability
📋
Bulk Domain Availability
Check availability of up to 20 domains simultaneously via RDAP. No signup required. Instant results.
Bulk CheckRDAPAvailability
🔁
Reverse IP Lookup
Find all domains hosted on the same IP. Check shared hosting density and its SEO implications.
Reverse IPShared HostingDomain
📜
Domain History
Full timeline of a domain — ownership changes, category shifts, and historical snapshots. Essential due diligence for domain investors.
HistoryOwnershipTimeline
⚖️
Registrar Compare
Compare domain registrar pricing, transfer policies, renewal costs, and features across top registrars side by side.
RegistrarPricingCompare

📡 DNS & Email

7 tools
🌐
DNS Record Checker
Inspect A, AAAA, MX, CNAME, TXT, NS records. Verify DNS propagation and email authentication.
DNS RecordsMX LookupSPF/DKIM
📧
MX Record Checker
Check MX records for any domain. Verify mail server setup and detect email provider (Google, Microsoft, Zoho).
MX RecordsEmailDNS
🛡️
SPF & DMARC Checker
Validate SPF, DMARC, and DKIM records. Detect email spoofing vulnerabilities and get a security score.
SPFDMARCEmail Security
✉️
Email Deliverability Checker
Check if a domain can receive email. Validate MX, SPF, and DMARC in one click. Get a deliverability score.
MXSPFDeliverability
🖥️
Nameserver Lookup
Look up nameservers for any domain. Identify DNS hosting provider, detect CDN, and check SOA serial.
NameserversNS RecordsDNS
🔎
Subdomain Finder
Discover active subdomains using certificate transparency logs. Find www, api, mail, blog subdomains instantly.
SubdomainsCT LogsDiscovery
🌍
DNS Propagation Checker
Check if DNS changes have propagated globally. Test A, AAAA, MX, CNAME, TXT, and NS records across multiple servers.
DNS PropagationGlobal CheckDNS

📝 On-Page SEO

19 tools
🏷️
Meta Tag Checker
Analyze title, meta description, OG tags, Twitter cards, canonical, and robots directives in one check.
Meta TagsOG TagsTwitter Card
📋
SERP Preview Tool
Simulate how your page looks in Google search results. Check title length, meta description, and URL display.
SERPTitle TagMeta Desc
📱
Open Graph Preview
Preview share cards on Facebook, Twitter/X, and LinkedIn. Check all OG and Twitter meta tags instantly.
OG TagsSocial ShareTwitter Card
🔗
Canonical URL Checker
Detect canonical tags from HTML and HTTP headers. Find missing, conflicting, or incorrect canonical declarations.
CanonicalDuplicate ContentSEO
📊
Keyword Density Checker
Analyze keyword frequency and density on any URL. Check for over-optimization or under-coverage.
Keyword DensityOn-PageContent
📝
Word Count & Readability
Count words, estimate reading time, and get Flesch readability score. Check heading structure and image count.
Word CountReadabilityFlesch
🗺️
Internal Link Analyzer
Map all internal and external links on a page. Check anchor text distribution and nofollow usage.
Internal LinksAnchor TextAudit
🌍
Hreflang Checker
Validate hreflang tags for international SEO. Detect missing x-default, duplicate lang codes, and header tags.
International SEOHreflangx-default
🧩
Schema Markup Validator
Validate JSON-LD structured data. Check rich result eligibility for FAQ, Product, Article, and more.
JSON-LDRich ResultsStructured Data
🔑
TF-IDF Keyword Extractor
Extract the most important keywords from any URL using TF-IDF. Word cloud, bigrams, and prominence scoring.
TF-IDFKeywordsOn-Page SEO
🖼️
Open Graph Checker
Audit all Open Graph tags on any URL. Validate og:title, og:description, og:image size and ratio for perfect social sharing.
OG TagsSocialPreview
🗂️
Schema Markup Checker
Validate and visualize all structured data on a page. Detects JSON-LD, Microdata, and RDFa. Highlights errors and warnings.
JSON-LDStructured DataRich Snippets
📊
TF-IDF Analyzer
Measure term frequency vs. inverse document frequency for any URL. Identify under- and over-optimized keyword usage on a page.
TF-IDFKeywordsContent
🔢
Word Counter
Count words, characters, sentences, and paragraphs instantly. Paste any text and get detailed statistics with reading time.
Word CountCharactersStats
📖
Readability Checker
Score content readability using Flesch-Kincaid, Gunning Fog, and SMOG indexes. Optimize for audience reading level.
Flesch-KincaidReadabilityContent
🗺️
XML Sitemap Generator
Build a valid XML sitemap for any website. Set changefreq, priority, and lastmod for all URLs. Download ready-to-submit sitemap.xml.
SitemapXMLCrawlability
✅
Sitemap Validator
Validate any XML sitemap URL for errors, format issues, and URL count. Checks standard and sitemap index formats. Instant results.
SitemapValidationTechnical SEO
🌍
Hreflang Generator
Generate hreflang link tags and HTTP headers for international SEO. Supports all language and region codes with x-default. Instant output.
International SEOHreflangMultilingual
🍞
Breadcrumb Path Generator
Parse any URL into a breadcrumb trail with JSON-LD schema and HTML code. Enables breadcrumb rich results in Google Search automatically.
BreadcrumbJSON-LDRich Results

⚡ Performance & Technical

13 tools
⚡
PageSpeed Checker
Test Core Web Vitals via Google PageSpeed Insights. LCP, CLS, FCP scores — mobile and desktop modes.
Core Web VitalsLCPPerformance
🔒
SSL Certificate Checker
Verify SSL certificate validity, expiry date, issuer, and days remaining. Detect HTTPS misconfiguration.
SSL/TLSHTTPSCertificate
🔀
Redirect Chain Checker
Trace every HTTP redirect hop. Detect chains, loops, and status codes that waste link equity.
301 RedirectChain AuditHTTP Status
📡
HTTP Status Checker
Check HTTP status codes for multiple URLs at once. Detect 200, 301, 404, 500 and more in bulk.
Status CodesBulk Check404 Finder
📋
HTTP Headers Inspector
Inspect all HTTP response headers. Check security headers score, cache control, and server info.
HTTP HeadersCacheServer
🤖
Robots.txt Viewer
View and analyze robots.txt for any domain. Check crawl rules, disallows, and sitemap references.
Robots.txtCrawl RulesSitemap
🗺️
Sitemap Finder
Locate and parse the XML sitemap for any domain. View URL count, structure, and sample URLs.
XML SitemapURL CountIndex
🛡️
Security Headers Checker
Check HTTP security headers: HSTS, CSP, X-Frame-Options, X-XSS-Protection. Get a security grade A–F.
HSTSCSPSecurity Grade
⚙️
GZIP Compression Checker
Test if your server uses GZIP or Brotli compression. See file size savings and performance improvements.
GZIPBrotliPerformance
🚀
HTTP/2 Checker
Check if a website supports HTTP/2 or HTTP/3 (QUIC). See protocol version and performance recommendations.
HTTP/2HTTP/3Protocol
🏆
Core Web Vitals Test
Test LCP, CLS, FID, INP, and TTFB for any URL. See pass/fail status with improvement tips for Google's ranking signals.
LCPCLSPerformance
📱
Mobile-Friendly Test
Check if a website passes Google mobile-friendly criteria. Detect viewport issues, tap target sizes, and font scaling problems.
MobileResponsiveGoogle
⏱️
TTFB Checker
Measure Time to First Byte for any URL. Diagnose slow server response times that inflate Core Web Vitals and hurt rankings.
TTFBServer SpeedCWV

💻 Technology & Hosting

5 tools
🖥️
IP & Hosting Checker
Find the IP address, hosting provider, ASN, country, and ISP for any domain instantly.
IP LookupHostingASN
🌐
CDN Detector
Detect which CDN a website uses — Cloudflare, Fastly, Akamai, AWS CloudFront, Vercel, Netlify, and more.
CDNCloudflarePerformance
💻
Technology Stack Detector
Identify CMS, JavaScript framework, analytics, and server tech. WordPress, React, Next.js, and 20+ more.
Tech StackCMSFramework
🍪
Cookie Analyzer
List all cookies, check HttpOnly and Secure flags, SameSite policy, and GDPR compliance risk.
CookiesGDPRSecurity
🏢
ASN & IP Range Lookup
Look up ASN, organization, ISP, country, and IP range for any IP or domain. Detect datacenter IPs.
ASNIP InfoISP

🔧 Utilities

8 tools
🔖
UTM Link Builder
Build UTM-tagged URLs for Google Analytics campaign tracking. Generate source, medium, campaign parameters instantly.
UTM ParametersAnalyticsCampaigns
🔗
Broken Link Checker
Find all broken links (404, 5xx) on any webpage. Checks up to 50 links concurrently — free and instant.
Dead Links404 CheckerAudit
⛓️
Link Extractor
Extract all internal and external links from any page. Filter by type, check nofollow, view anchor text.
LinksInternalExternal
🔗
URL Encoder / Decoder
Encode or decode any URL or text string instantly. Supports percent-encoding. Auto-detects direction.
URL EncodeDecodePercent
📦
Base64 Encoder / Decoder
Encode text to Base64 or decode Base64 strings instantly. Swap input/output with one click.
Base64EncodeDecode
{}
JSON Formatter
Format, validate, and minify JSON instantly. Syntax error detection, tree view, and one-click copy.
JSONFormatterValidator
✍️
Markdown to HTML
Convert Markdown to clean HTML instantly with live preview. Supports headings, tables, code blocks.
MarkdownHTMLConverter
🧮
Subnet Calculator
Calculate subnet details from CIDR notation. Get network address, broadcast, host range, and usable IPs.
CIDRSubnetNetwork

📨 Email & Security

9 tools
🔐
DKIM Checker
Check DKIM DNS records for any domain and selector. Verify email authentication and public key setup.
DKIMEmail AuthDNS
🚫
Blacklist Checker
Check if your domain or IP is listed on 30+ spam blacklists. Spamhaus, Barracuda, SORBS, and more.
BlacklistDNSBLSpam
✉️
Email Validator
Validate any email address — format, domain existence, MX records, and disposable email detection.
EmailMX CheckDisposable
📧
Email Extractor
Extract all email addresses from any webpage. Find contact emails and mailto links instantly — free.
Email ScraperContactLeads
🔒
Password Strength
Analyze password strength with entropy calculation, checklist, and estimated crack time. 100% client-side.
PasswordSecurityEntropy
📡
Ping Checker
Ping any domain or IP online. Check TCP latency, HTTP/HTTPS port availability, and server reachability.
PingLatencyPorts
🏷️
BIMI Checker
Verify Brand Indicators for Message Identification records. Check if your brand logo appears in Gmail and Apple Mail inboxes.
BIMIEmailBranding
📧
Email Header Analyzer
Paste raw email headers to trace delivery path, detect spam flags, validate SPF/DKIM/DMARC results, and measure delivery hops.
Email HeadersSPFSpam
🗑️
Disposable Email Checker
Instantly detect temporary and throwaway email addresses. Block fake signups and protect lead quality with real-time validation.
DisposableTemp EmailValidation

📣 Content & Marketing

9 tools
⏱️
Reading Time Calculator
Calculate reading time for any text or URL. Shows word count, sentence count, and content length grade.
Reading TimeWord CountBlog
📊
Word Frequency Counter
Analyze word frequency in any text. Bar chart of top words with stop word filtering. Great for content audits.
Word FrequencyText AnalysisTF
🔢
Character Counter
Count characters, words, sentences, and paragraphs. Real-time Twitter, Meta description, and title limits.
CharactersWordsLimits
#️⃣
Hashtag Generator
Generate relevant hashtags for Instagram, Twitter, TikTok, and LinkedIn from any keyword or topic.
HashtagsInstagramSocial Media
⚓
Anchor Text Generator
Generate diverse anchor text variations — exact match, partial, branded, LSI, and generic. Essential for link building.
Anchor TextLink BuildingSEO
🎭
Typosquat Finder
Find typosquatting variations of your domain. Detect potential brand impersonators via omission, repetition, and substitution.
TyposquattingBrandProtection
🔗
UTM Parameter Parser
Decode and analyze any URL with UTM parameters. Extract campaign source, medium, name, content, and term from complex tracking URLs.
UTMAnalyticsCampaign
🔎
SERP Snippet Generator
Generate and preview Google SERP snippets. Optimize title and meta description to maximize click-through rate in search results.
SERPMetaCTR
📲
Social Media Preview
Preview how any URL looks when shared on Facebook, Twitter/X, LinkedIn, and WhatsApp. Diagnose OG tag issues before publishing.
SocialPreviewOG Tags
🔑
Long-Tail Keyword Generator
Generate hundreds of long-tail keyword variations from any seed keyword. Filter by intent: questions, buying, comparison, local, and year-based.
Long-TailKeywordsContent Ideas
🥇
Keyword Golden Ratio
Calculate KGR (allintitle ÷ search volume) to find easy-to-rank keywords. KGR < 0.25 = first-page ranking possible for new sites.
KGRLow CompetitionRanking
🔗
LSI Keyword Generator
Generate LSI and semantic keyword variations for any topic. Improve topical coverage and on-page authority with related concept mapping.
LSISemantic SEOOn-Page
📍
Local Keyword Generator
Generate local SEO keyword variations for any service and city. Near me, best, affordable, and neighborhood-level keywords instantly.
Local SEONear MeLocation
⚡
Keyword Modifier Tool
Bulk-expand keyword lists with proven SEO modifiers. Add tool, free, best, how-to, guide, year, and buying-intent prefixes and suffixes.
ModifierKeyword ExpansionBulk
🎯
Keyword Intent Classifier
Classify any keyword list by search intent. Identify Transactional, Commercial, Navigational, or Informational intent with content type recommendations.
Search IntentClassificationContent Strategy

🌍 Network & IP

5 tools
📍
IP Geolocation
Find location, timezone, ISP, ASN, coordinates, and currency for any IP address or domain. Leave blank for your own IP.
IP LocationGeolocationISP
🔌
Port Checker
Check 15 common ports on any host. Detect open ports: HTTP, HTTPS, SSH, FTP, SMTP, MySQL, PostgreSQL and more.
Port ScannerOpen PortsNetwork
🟢
Uptime Checker
Check if any website is up or down right now. Tests HTTP reachability and measures response time in real-time.
UptimeDown?Response Time
🗺️
Traceroute Tool
Trace the network path to any domain or IP. See each hop, latency, and where packet loss occurs on the route to your server.
TracerouteNetworkLatency
🔭
BGP Looking Glass
Query BGP routing tables to see how any IP is routed globally. View ASN paths, prefixes, and routing policies from multiple vantage points.
BGPASNRouting

🔭 Domain Advanced

4 tools
⚖️
Domain Compare
Compare two domains side by side. DA, backlinks, age, spam score, and xDrop score in one clean view.
CompareDABacklinks
🌐
TLD Availability
Check your domain name across 30+ TLD extensions at once. Find which .com, .net, .io, .co, .app are available.
TLDExtensionsAvailability
🕰️
WHOIS History
Look up current and historical WHOIS records for any domain. See registrar, nameserver, and ownership data.
WHOISHistoryOwnership
🔤
Punycode Converter
Convert internationalized domain names between Unicode and Punycode (xn--) format. Bidirectional IDN converter.
PunycodeIDNUnicode

⚙️ Developer Tools

18 tools
🔍
Regex Tester
Test and debug regular expressions with real-time match highlighting. Shows all matches and capture groups.
RegexPatternDebugger
🗜️
CSS Minifier
Minify CSS code instantly. Removes comments and whitespace. Shows exact file size reduction percentage.
CSSMinifyCompress
🗜️
HTML Minifier
Minify HTML code instantly. Remove comments and whitespace to reduce page size by 20-40%.
HTMLMinifyCompress
⏰
Timestamp Converter
Convert Unix timestamps to dates and back. Live current timestamp, batch presets. Essential for developers.
Unix TimeEpochDate
🔢
Number Base Converter
Convert numbers between binary, octal, decimal, hex, base 36, and base 64 instantly.
BinaryHexBase
📋
Text Diff Checker
Compare two text blocks side by side. Highlights additions and deletions word by word.
DiffCompareChanges
🔤
HTML Entity Encoder
Encode or decode HTML entities. Convert < > & © ™ and all special characters.
HTML EntitiesEncodeEscape
🛡️
CSP Header Generator
Build Content Security Policy headers visually. Get ready-to-paste Apache and Nginx config lines.
CSPSecurityHeaders
🔄
PTR / Reverse DNS Lookup
Look up reverse DNS (PTR records) for any IP address. Check rDNS for email deliverability.
PTRReverse DNSrDNS
🖥️
User Agent Parser
Parse any user agent string. Detects browser, OS, device type, and bot status instantly.
User AgentBrowserBot
⏱️
Cron Expression Generator
Build cron expressions visually with presets. Supports Linux, cPanel, and cloud schedulers.
CronSchedulerLinux
🔗
URL Slug Generator
Convert any title to a clean, SEO-friendly URL slug. Custom separator, length, and case options.
SlugURLSEO
🔤
Text Case Converter
Convert text between Title Case, UPPER, lower, camelCase, PascalCase, snake_case, and kebab-case.
Title CasecamelCaseConverter
🔑
JWT Decoder
Decode and inspect JSON Web Tokens instantly. View header, payload, and signature. Verify expiry and claims without sending data.
JWTTokenAuth
🌐
IPv6 Converter
Convert, expand, compress and validate IPv6 addresses. Convert between full, compressed, and mixed IPv4/IPv6 notation.
IPv6IPNetworking
🖼️
Base64 Image Encoder
Convert images to Base64 strings for HTML, CSS, or JSON embedding. Supports PNG, JPG, SVG, WebP. Instant encode/decode.
Base64ImageEmbed
🧪
HTTP Method Tester
Test GET, POST, HEAD, OPTIONS requests to any endpoint. View full response headers, status codes, and timing. No install needed.
HTTPAPIREST
📦
JavaScript Minifier
Minify JavaScript code to reduce file size and improve page load speed. Remove comments, whitespace, and shorten variable names.
JSMinifyPerformance

🎨 Design & Creative

5 tools
🎨
Color Picker & Converter
Convert colors between HEX, RGB, HSL, RGBA. Generate shades, tints, and complementary palettes.
ColorHEXRGB
📝
Lorem Ipsum Generator
Generate placeholder text in paragraphs, sentences, or words. Output as plain text, HTML, or Markdown.
Lorem IpsumPlaceholderText
📱
QR Code Generator
Generate QR codes for any URL, text, or contact info. Custom size, color, and error correction. Download PNG.
QR CodeDownloadGenerator
🏷️
Meta Tag Generator
Generate all SEO meta tags including Open Graph and Twitter Card. Copy ready-to-paste HTML code.
Meta TagsOG TagsSEO
📱
Open Graph Debugger
Debug OG tags and preview how any URL looks when shared on Facebook, Twitter, and LinkedIn.
Open GraphSocial PreviewOG

🖧 Server & Config

8 tools
🤖
Robots.txt Generator
Generate robots.txt with presets for WordPress, e-commerce, SPA. Block AI crawlers and SEO bots with one click.
Robots.txtCrawlersBlock AI
⚙️
.htaccess Generator
Generate .htaccess rules for HTTPS redirect, GZIP, browser caching, security headers, and hotlink protection.
.htaccessApacheHTTPS
🔑
Password Generator
Generate strong random passwords. Custom length, character sets, batch of 5. 100% client-side privacy.
PasswordRandomSecure
🔍
Google Cache Checker
Check if a URL is cached and indexed. Access Google and Bing cached versions directly with one click.
Google CacheIndexSEO
📊
Indexed Pages Checker
Count how many pages of your site are indexed on Google and Bing. Access site: search results directly.
Index CountSEOBing
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CORS Checker
Test Cross-Origin Resource Sharing headers for any URL. Validate Access-Control-Allow-Origin, methods, and credentials policy.
CORSSecurityHeaders
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SSL/TLS Scanner
Deep scan SSL/TLS config. Detect weak ciphers, deprecated protocols, HSTS, OCSP stapling, and certificate chain issues.
SSLTLSSecurity
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Security Header Scanner
Full HTTP security header audit with A-F grade. Detailed findings and fix recommendations for every missing or misconfigured header.
SecurityHeadersAudit

🔗 Link Tools

4 tools
🔗
Link Unshortener
Expand shortened URLs (bit.ly, t.co, tinyurl) to see their final destination before clicking.
Unshortenbit.lyExpand URL
🔄
Bulk Redirect Checker
Check redirect chains for up to 20 URLs at once. Find final destinations and detect redirect issues.
BulkRedirects301
📊
SERP Position Simulator
Simulate traffic by SERP position and search volume. Based on real industry CTR data by ranking position.
CTRSERPTraffic
⏳
Countdown Timer
Real-time countdown to any date and time. Perfect for product launches, events, and deadlines.
CountdownTimerEvent
🔍
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🛠️
Tools Available
170
⚡
Live Data Sources
Real-Time
🔒
Privacy
No Tracking
🗂️
Categories
16
Built and maintained by the XDROPEDIA.COM team — domain investors and SEO practitioners who use these tools daily. All tools query live data sources: WHOIS/RDAP, public DNS resolvers, Google PageSpeed API, and crt.sh. No stale caches. No paid data vendors.

Why Use XDROPEDIA.COM SEO Tools?

🆓
100% Free, Forever
All 170 tools are completely free with no signup, no credit card, and no usage limits. No freemium tricks — everything unlocked.
⚡
Instant Results
No queues, no delays. Results in seconds directly in your browser. Server-side lookups return live data — not cached outdated info.
🔒
No Account Required
Start using any tool immediately. Zero friction, zero data collection. We don't track your searches or store query results.
🎯
Domain Investor Focus
Every tool is designed with domain investors and SEO specialists in mind. Audit expired domains, verify authority, and find acquisition opportunities.
🛠️
170 Tools in One Place
From WHOIS and DNS to Core Web Vitals, schema validation, email deliverability, and developer utilities — a complete SEO toolkit with no tab-switching.
📱
Works on Any Device
Fully responsive across desktop, tablet, and mobile. Run audits on the go, check domain drops from your phone, and share results via URL.
🔄
Always Up to Date
Tools pull live data directly from DNS servers, WHOIS/RDAP, Google PageSpeed API, and Wayback Machine. No stale snapshots, no cached guesses.
🧩
Built for Workflows
Each tool is designed to chain into the next. WHOIS → DNS → SSL → PageSpeed → Schema → Backlinks. Run a full audit in under 5 minutes.

Who Uses These Tools?

🏗️
Domain Investors
Research expired domains before bidding. Check age, WHOIS history, blacklist status, backlink quality, and drop dates in one workflow.
📈
SEO Specialists
Technical audits, redirect chain analysis, Core Web Vitals testing, schema validation, and on-page optimization — without expensive subscriptions.
👨‍💻
Developers
JWT decoder, regex tester, JSON formatter, CSS/JS minifiers, Base64 encoder, CORS checker, and HTTP method tester — all in one bookmark.
📣
Digital Marketers
UTM builder, social media preview, SERP snippet generator, hashtag generator, and OG debugger for campaign launches and content publishing.

Common Workflows

🏆 Expired Domain Due Diligence
WHOIS History → Blacklist Check → SSL Check → Wayback Machine → Domain Valuation → Drop Date Estimator
⚡ Technical SEO Audit
PageSpeed → Core Web Vitals → Security Headers → Redirect Chain → Canonical Checker → Schema Validator
📧 Email Deliverability Audit
MX Checker → SPF & DMARC → DKIM Checker → BIMI Checker → Blacklist → Email Deliverability Score
🔐 Security Audit
SSL/TLS Scanner → Security Headers → CORS Checker → CSP Generator → HTTP Headers → Port Checker

Every SEO audit starts with data. Whether you're diagnosing a technical issue, evaluating an expired domain's backlink history, checking a competitor's tech stack, building campaign tracking links, or validating email infrastructure — these 170 tools cover the most common workflows without subscription fees or paywalls.

Unlike generic SEO tool suites, XDROPEDIA.COM is purpose-built for domain investors and technical SEO specialists. The toolset bridges the gap between domain research and full site auditing — so you can assess any domain from registration date and WHOIS history all the way through to Core Web Vitals, structured data, and security headers before you commit to an acquisition.

Built alongside XDROPEDIA.COM's expired domain finder — use the tools to audit domains before you acquire them, or to optimize sites you've already built on expired domain authority.