SEO Tool Library | Free SEO & Website Tools

CMYK to Colortone

Convert CMYK to RGB/HEX with a tone description

HEX to Colortone

Convert HEX to RGB/HSV/CMYK with a tone description

HSV to Colortone

Convert HSV to RGB/HEX with a tone description

RGB to Colortone

Convert RGB to HEX/HSV/CMYK with a tone description

ASN WHOIS Lookup

Show ASN and prefix via Team Cymru DNS

IP WHOIS Lookup

Public RDAP data for an IP block

TF*IDF Tool

Extract top terms with TF*IDF scoring in the browser

Paragraph Reorder Tool

Manually reorder paragraphs

Keyword Research Tool

Local keyword ideas from a seed with coverage indicators

Remove Arabic Diacritics

Strip Arabic diacritics safely

Remove Duplicate Words

Remove consecutive duplicate words

Add Image Width Height

Favicon Generator

Fix Plan Generator

SMTP Test

Check MX and probe port 25 on the mail server

Robots URL Tester

Test a path against robots rules

Extract Slug From URL

Top Words Extractor

Extract the most frequent words

Extract Domain From URL

Extract URLs From Sitemap

Extract URLs from a sitemap

Trigram Extractor

Extract three-word phrases

Bigram Extractor

Extract two-word phrases

Headings Extractor

Extract H1–H6 headings from text/HTML

Reviews Keywords Extractor

Common Public Subdomains

Extract Domain TLD

Extract All Images

Extract Meta From HTML

Extract meta tags from HTML

Internal Link Suggestions

Duplicate Alt Finder

Long Sentences Finder

Find sentences longer than a limit

HTTP Links Finder

Duplicate Links Finder

Duplicate Sitemap URLs Finder

Find duplicate URLs in a sitemap

Empty Anchor Finder

Duplicate Paragraphs Finder

Detect duplicated paragraphs

Redirect Loop Detector

Detect redirect loops

Sitemap 404 Finder

Sample sitemap URLs for 404 responses

Redirect Links Finder

MAC Address Lookup

Identify vendor from OUI prefix (local sample)

Customer Reviews Analyzer

JPG to WebP Converter

PNG to WebP Converter

Sitemap to URL List

Convert sitemap XML to a URL list

URL to HTML Link

WebP to JPG Converter

SEO Image Filename Converter

Arabic/English Number Converter

Convert Arabic and Western digits

Image to AVIF Converter

Ad Currency Converter

Text to Formatted HTML

Convert plain text to safe HTML

Text to Slug Converter

Convert any text into a URL slug

Domain to IP Lookup

Resolve IP addresses linked to a domain

URLs to Sitemap

Convert a URL list to XML sitemap

SEO Issues Prioritizer

URL Encoder

Image Resizer

Digital Reputation Report

Split Large Sitemap

Split a large sitemap into chunks

H2/H3 Outline Splitter

Suggest an H2/H3 outline

SEO Report Summarizer

HTML Cleaner

Strip unwanted tags and attributes

Clean Tracking Params

RPM Earnings Forecast

AdSense Calculator

CPC Calculator

CPM Calculator

CTR Calculator

RPM Calculator

Yearly Earnings Calculator

Monthly Earnings Calculator

Daily Earnings Calculator

Trim Extra Spaces

Clean extra spaces and blank lines

True CPM Calculator

Fill Rate Calculator

Revenue Share Calculator

Per-Page Earnings Calculator

Traffic For Revenue Goal

Resource Size Calculator

Reading Time Calculator

Estimate reading time for any text

Count External Links

Count Internal Links

Earnings Difference Calculator

Image Savings Calculator

Merge Schema Into Graph

Merge entities into one @graph

Merge Sitemaps

Merge multiple sitemaps

Earnings Chart

SEO Errors Explainer

CSS Minifier

HTML Minifier

JavaScript Minifier

Image Compressor

JSON Viewer, Beautifier & Minifier

Validate, beautify, or minify JSON

Word & Character Counter

Count words and characters locally

Redirect Codes Checker

Classify redirect status codes

Anchor Text Analyzer

Attachment Pages Checker

Author Archive Checker

Cache-Control Checker

Inspect Cache-Control header

Self-Referencing Canonical Checker

Check self-referencing canonical

WordPress Canonical Checker

Cloudflare Checker

Detect Cloudflare signals

CLS Checker

Content-Length Checker

Inspect Content-Length header

Content-Type Checker

Inspect Content-Type header

CORS Checker

Inspect CORS headers

CSP Checker

Inspect Content-Security-Policy

Unused CSS Checker

DNS Checker

Show basic DNS records

DNS Prefetch Checker

DNSSEC Checker

ETag Checker

Inspect ETag header

Expires Header Checker

Inspect Expires header

Favicon Checker

FCP Checker

Feed Checker

Heartbeat Checker

Hreflang Checker

Audit page hreflang tags

HSTS Checker

Inspect Strict-Transport-Security

HTML Lang Checker

Inspect HTML lang attribute

HTTP Headers Checker

Inspect response headers

HTTP/2 Checker

Check HTTP/2 support when possible

HTTP/3 Checker

Check HTTP/3 or report unavailable

HTTPS Checker

Verify HTTPS availability

INP Checker

Server IP Checker

Show public server IP

Noscript Checker

Inspect noscript fallback content

Unused JavaScript Checker

Lazy Loading Checker

LCP Checker

Mixed Content Checker

Find HTTP assets on HTTPS pages

Mobile Friendly Signals

Check basic mobile-friendly signals

Nameservers Checker

Show domain nameservers

Noindex & Nofollow Checker

Check noindex/nofollow directives

Open Graph Checker

Preconnect Checker

Preload Checker

Render Blocking Checker

REST API Checker

Robots.txt Checker

Fetch and audit a robots.txt file

Entity Schema Checker

Security Headers Checker

Review key security headers

Soft 404 Checker

Look for soft 404 indicators

Speed Index Checker

SPF DKIM DMARC Checker

Public Subdomains Checker

TTFB Checker

Twitter Card Checker

Viewport Checker

Inspect viewport meta tag

WHOIS/RDAP Checker

WordPress Sitemap Checker

WP-Cron Checker

X-Robots-Tag Checker

Inspect X-Robots-Tag header

XML-RPC Checker

Featured Image Dimensions

OG Image Dimensions Checker

Image Filename Checker

HTTP Status Checker

Show HTTP status code

WordPress Version Checker

Content Claims Checker

Q&A Presence Checker

Direct Answer Checker

Visible Plugins Checker

Domain Email Checker

Redirect Checker

Trace redirect chains with status codes and timing

Caching Checker

Spam Comments Signals

Fonts Checker

Domain Blacklist Check

Short Links Checker

Broken Links Checker

Links in Text Checker

Extract links from text or HTML

Relative vs Absolute Links

AI Bots Allowance Checker

SEO Checker

On-page score with meta, structure, quality, and link indicators

Domain Hyphen & Number Check

Page Without JavaScript View

Show raw text without executing JS

Large Images Checker

LCP Image Checker

Images Without Alt

Page Images Checker

WordPress Theme Checker

Banned Words Checker

Scan text against a word list

Keyword Checker

Check keyword presence in title, description, H1, and density

Language & RTL Checker

Inspect lang and dir attributes

Quotable Content Checker

Port Checker

Check whether a common port is open on a public host

Preferred Domain Checker

Robots/Sitemap/llms Access Check

Check access to robots, sitemap, llms

SSL Expiry Checker

Show SSL certificate expiry

Contact Data Checker

Domain Archive History

Domain Expiry Checker

HTTP to HTTPS Redirect

WWW Redirect Checker

UTF-8 Encoding Checker

Check UTF-8 encoding signals

Canonical Domain Match

NAP Consistency Checker

Title vs H1 Match Checker

Compare page title with H1

Robots vs Noindex Conflict

Detect crawl vs index conflicts

Cache & SEO Conflict Checker

Duplicate Headings Checker

Detect duplicated headings

Title & Description Duplicate Check

Compare title/description duplication

Lastmod Dates Checker

Audit lastmod dates in a sitemap

Keyword Distribution Checker

Show keyword positions in text

Domain Availability Checker

AI Answer Readiness Checker

CDN Checker

Detect CDN signals

Server Status Checker

Check server response for a URL

Download Link Status

Page Size Checker

Estimate HTML page size

Google Maps Embed Checker

Sitemap Checker

Validate and inspect a sitemap

Canonical URL Checker

Inspect a page canonical URL

Single Link Checker

Nofollow Links Checker

UGC Links Checker

Backlink Checker

Page link snapshot (internal/external/nofollow) with clear indicators

Attachment Image Links Checker

DNS Response Time Checker

Estimate DNS lookup time

Business Hours Checker

A Record Checker

Lookup A records

AAAA Record Checker

Lookup AAAA records

CNAME Record Checker

Lookup CNAME records

TXT Record Checker

Lookup TXT records

Third-Party Scripts Checker

Redirect Chain Checker

Trace redirect chains safely

SSL Certificate Checker

Inspect SSL certificate details

Domain DNS Health Checker

Quick health score for A/NS/MX/SPF/DMARC

JSON-LD Validator

Validate basic JSON-LD structure

Internal Search Pages Checker

Pagination Pages Checker

Category Pages Checker

Tag Pages Checker

Author Page Checker

About Page Checker

Share Image Checker

Brotli Checker

Check Brotli compression

GZIP Checker

Check GZIP compression

Alt Text Length Checker

Sentence Length Checker

Analyze sentence lengths

Paragraph Length Checker

Analyze paragraph lengths

Article Length Checker

Evaluate article length by words/chars

Title Length Checker

Check approximate title pixel length

Meta Description Length Checker

Check meta description length

Domain Length Checker

Page Requests Checker

Estimate resource requests from HTML

Domain Age Checker

Ranking Checker

Estimate keyword difficulty and ranking opportunity (no fake Google positions)

Page Indexability Checker

Audit page indexability signals

Arabic Readability Checker

Estimate Arabic text readability

Keyword Density Checker

Measure keyword density in text

Bulk Links Checker

Sources & References Checker

llms.txt Checker

Check availability of llms.txt

Server Location Checker

Estimate server location via optional API

Code to Text Ratio

Calculate code-to-text ratio

Text to HTML Ratio

Calculate text-to-HTML ratio

Meta Description Presence

Check if a page has a meta description

Noindex Checker

Detect noindex on a page

Title Presence Checker

Check if a page has a title tag

URL In Sitemap Checker

Check if a URL exists in a sitemap

First Paragraph Keyword Check

Check keyword presence in first paragraph

Keyword in Headings Checker

Check keyword usage in headings

Sources Presence Checker

Entity Clarity Checker

Uptime Checker

Check if a site is reachable now

Core Web Vitals Checker

DNS Lookup

Show public DNS records for a domain (A/AAAA/MX/NS/TXT and more)

MX Lookup

Show mail exchange (MX) servers and priority

NS Lookup

Show nameserver (NS) records for a domain

PageSpeed Checker

Reverse IP Lookup

Look up the PTR hostname linked to an IP address

IP Blacklist & Email Blacklist Check

Basic DNSBL check for public IP addresses

HTTP Headers Check

Show response headers for a public URL

Check Website Operating System

Guess server OS/stack from public headers

Expand Short URL

URL Decoder

Google Business Profile Checklist

QR Code Reader

What is My IP Address

Show the IP address as seen by the server

Binary Translator

Convert between text and binary

Earnings CSV Analyzer

UTM Analyzer

Trace Email (Header Analyzer)

Parse an email header and extract the path and key fields

Schema Extractor From HTML

Extract JSON-LD blocks from HTML

Extract External Links

Extract Internal Links

Extract All Links

SERP Breadcrumb Preview

Preview breadcrumb in SERP

LinkedIn Share Preview

Telegram Share Preview

WhatsApp Share Preview

Arabic SERP Title Preview

Preview Arabic title rendering

Facebook Share Preview

X Post Preview

Google Desktop SERP Preview

Approximate desktop SERP preview

Google Mobile SERP Preview

Approximate mobile SERP preview

Sitemap vs Site Compare

Compare sitemap URLs with crawled links

Compare Two Ad Networks

Compare Two Days Earnings

Compare Schema Codes

Diff two schema snippets

Rank Math vs Yoast Compare

SEO Compare

Compare on-page scores for two URLs side by side

Before/After Report Compare

Branch Ratings Compare

Compare Two Domains

Compare Two URLs

Compare Two Pages Speed

Compare Two Titles

Compare length and wording of titles

Keyword Density Compare

Compare density of two keywords

Text Similarity Checker

Compare two texts for similarity

Compare Two Descriptions

Compare two meta descriptions

CSS Formatter

HTML Formatter

JavaScript Formatter

Schema JSON Formatter

Pretty-print schema JSON

IP Location Lookup

Country, city, and ISP for an IP address

Alt Text Generator

Alternate Mobile URL Generator

Generate mobile alternate link tags

Author Bio Generator

Canonical Tag Generator

Generate a canonical link tag

Search Intent FAQ Generator

Hreflang Generator

Generate hreflang tags

Image Sitemap Generator

Generate an image sitemap

Image Sitemap From List

llms-full.txt Generator

Generate an extended llms-full.txt

LocalBusiness Schema Builder

MD5 & Base64 Generator

Convert text to MD5 and Base64 locally in the browser

Meta Description Generator

Create a suitable meta description

News Sitemap Generator

Generate a Google News sitemap

Open Graph Generator

Pagination Tags Generator

Generate rel prev/next tags

QR Code Generator

Review QR Generator

Robots Meta Tag Generator

Generate robots meta tags

Robots.txt Generator

Generate a robots.txt file

Service Area Schema Generator

Sitemap Index Generator

Generate a sitemap index file

English Slug Generator

Generate clean English URL slugs

Arabic Slug Generator

Generate slugs that keep Arabic letters

Twitter Card Generator

UTM Generator

Video Sitemap Generator

Generate a video sitemap

XML Sitemap Generator

Convert URL list to XML sitemap

FAQPage Schema Generator

Generate FAQPage JSON-LD following Schema.org

FAQ From Text Generator

Suggest FAQs from article text

Domain Name Generator

Content Ideas Generator

Suggest content ideas via optional AI

.htaccess Generator

Nginx Rules Generator

Preconnect Code Generator

Preload Code Generator

WordPress Redirect Codes

Hotlink Protection Generator

Short Description Generator

Create short content descriptions

PWA Icons Generator

SearchAction Schema Generator

Generate SearchAction JSON-LD following Schema.org

NAP Data Generator

BlogPosting Schema Generator

Generate BlogPosting JSON-LD following Schema.org

SoftwareApplication Schema Generator

Generate SoftwareApplication JSON-LD following Schema.org

MobileApplication Schema Generator

Generate MobileApplication JSON-LD following Schema.org

Entity Short Definition Generator

AI Agents Instructions Generator

AggregateRating Schema Generator

Generate AggregateRating JSON-LD following Schema.org

Article Conclusion Generator

Generate conclusions via optional AI

Service Schema Generator

Generate Service JSON-LD following Schema.org

Course Schema Generator

Generate Course JSON-LD following Schema.org

Google Review Link Generator

Facebook Share Link

Telegram Share Link

WhatsApp Share Link

X Share Link

Review Reply Generator

Share Button HTML Generator

Person Schema Generator

Generate Person JSON-LD following Schema.org

HowTo Schema Generator

Generate HowTo JSON-LD following Schema.org

City Pages Generator

Organized About Page Generator

CollectionPage Schema Generator

Generate CollectionPage JSON-LD following Schema.org

ProfilePage Schema Generator

Generate ProfilePage JSON-LD following Schema.org

WebPage Schema Generator

Generate WebPage JSON-LD following Schema.org

ImageObject Schema Generator

Generate ImageObject JSON-LD following Schema.org

Branch Page Titles Generator

Article Title Generator

Suggest article titles from a topic

MAC Address Generator

Generate a locally administered MAC for testing

SEO Title Generator

Generate SEO title suggestions

Event Schema Generator

Generate Event JSON-LD following Schema.org

VideoObject Schema Generator

Generate VideoObject JSON-LD following Schema.org

ItemList Schema Generator

Generate ItemList JSON-LD following Schema.org

AI Bots Rules Generator

Generate rules for common AI bots

wp-admin Protection Rules

wp-login Protection Rules

Bot Block Rules Generator

Generate disallow rules for bots

VideoGame Schema Generator

Generate VideoGame JSON-LD following Schema.org

Store Schema Generator

Generate Store JSON-LD following Schema.org

Quotable Content Generator

Content Outline Generator

Generate a structured content outline

Review Schema Generator

Generate Review JSON-LD following Schema.org

BreadcrumbList Schema Generator

Generate BreadcrumbList JSON-LD following Schema.org

Restaurant Schema Generator

Generate Restaurant JSON-LD following Schema.org

Article Schema Generator

Generate Article JSON-LD following Schema.org

NewsArticle Schema Generator

Generate NewsArticle JSON-LD following Schema.org

SERP Snippet Generator

Search snippet preview with title and description quality scores

Article Intro Generator

Generate intros via optional AI provider

llms.txt AI Generator

llms.txt Generator

Generate an llms.txt file

Product Schema Generator

Generate Product JSON-LD following Schema.org

Organization Schema Generator

Generate Organization JSON-LD following Schema.org

WebSite Schema Generator

Generate WebSite JSON-LD following Schema.org

LocalBusiness Schema Generator

Generate LocalBusiness JSON-LD following Schema.org

SpeakableSpecification Schema Generator

Generate SpeakableSpecification JSON-LD following Schema.org

Full Meta Tags Generator

Generate a full meta tags snippet

Local Business Description

JobPosting Schema Generator

Generate JobPosting JSON-LD following Schema.org