SEO & Web Tools — Online Tool Store

Affiliate Link Cloaking Checker

Quick, free Affiliate Link Cloaking Checker in your browser

Broken Anchor Link Finder

Quick, free Broken Anchor Link Finder in your browser

Canonical vs Hreflang Conflict Checker

Quick, free Canonical vs Hreflang Conflict Checker in

Content Freshness Calculator

Quick, free Content Freshness Calculator in your browser

Content Gap Word Count Analyzer

Quick, free Content Gap Word Count Analyzer in your browser

Dialogue Tag Analyzer

Quick, free Dialogue Tag Analyzer in your browser

Internal Rate of Return Calculator

Quick, free Internal Rate of Return Calculator in your

JSON Schema Generator

Quick, free JSON Schema Generator in your browser

Local Business Schema Builder

Quick, free Local Business Schema Builder in your browser

Meta Robots Tag Builder

Quick, free Meta Robots Tag Builder in your browser

MQTT Topic Structure Planner

Quick, free MQTT Topic Structure Planner in your browser

Plywood Cut Optimizer

Quick, free Plywood Cut Optimizer in your browser

Resume Keyword Matcher

Quick, free Resume Keyword Matcher in your browser

Sitemap XML Splitter

Quick, free Sitemap XML Splitter in your browser

Struct Tag Generator (Go)

Quick, free Struct Tag Generator (Go) in your browser

Event Schema Builder

Quick, free Event Schema Builder in your browser

Rich Result Preview

Quick, free Rich Result Preview in your browser

Schema Type Coverage Checker

Quick, free Schema Type Coverage Checker in your browser

URL Structure Analyzer

Quick, free URL Structure Analyzer in your browser

Canonical URL Formatter

Quick, free Canonical URL Formatter in your browser

HTTP Headers Parser

Parse raw response headers into a readable audit

JSON-LD Validator & Auto-Fixer

Validate structured data and preview suggested fixes

Browser Compatibility Notes

Quick CanIUse-style feature lookups

Page Speed Checklist

Interactive web performance audit list

Search Volume CSV Analyzer

Sort and segment exported keyword data

Breadcrumb Schema Generator

Generate BreadcrumbList JSON-LD in seconds

Alt Text Auditor

Find images missing alt text in HTML

HTTP Status Code Checker

Look up HTTP codes and their practical meaning

PWA Manifest Generator

PWA manifest generator: copy-ready manifest.json

Schema.org Entity Relationship Visualizer

Map structured-data entities and links

Screen Resolution Detector

Display resolution, viewport, pixel ratio, and color depth

Newsletter Preheader Previewer

Preview the inbox snippet before sending

Blog Outline Generator

Turn a topic into a practical article outline

Robots.txt Tester

Check whether a path is crawlable

UTM Link Builder

Create consistent campaign tracking links

URL Slug Optimizer

Create clean, readable page slugs

Favicon Checker

Review site favicon setup

Website Technologies Check

Preview a website technology report

Domain WHOIS

WHOIS report interface demo with bundled example records

Social Preview Checker

See how a page looks when shared on social media

Meta Description Checker

Preview and length-check meta descriptions

Schema Markup Generator

Create JSON-LD for articles, FAQs, products

UTM Bulk Generator

Generate many tagged URLs from a matrix

Sitemap URL Extractor

Pull all URLs out of an XML sitemap

Social Share Button Generator

Build dependency-free share links

Redirect Chain Explainer

Visualize and explain an HTTP redirect chain

Content Brief Template Builder

Generate a structured SEO content brief in seconds

Internet Speed Context Guide

What your Mbps actually supports, at a glance

Keyword Density Checker

Analyze keyword usage in page text

Title Tag Previewer

See how titles appear in search results

Canonical Tag Generator

Generate correct canonical link tags

Backlink Anchor Text Analyzer

Analyze anchor distribution from a CSV export

HTML Size Analyzer

Measure page weight from pasted source

Headline Analyzer

Score headline length, power words, and clarity

Pinterest Pin Size Checker

Validate image specs for Pinterest

Visual Site Crawler & Architecture Mapper

Turn a link list into a site structure diagram

JSON-LD to Microdata Converter

Convert schema.org JSON-LD into inline Microdata HTML

Keyword Density & Content Semantic Analyzer

Spot over- or under-used keywords fast

Htaccess to Nginx Converter

Translate common Apache rules to Nginx

Online SMTP Test

Preview an SMTP handshake and STARTTLS log

Internal Link Counter

Count internal vs external links on a page

Twitter Card Generator

Preview and generate X/Twitter card meta tags

Word Count Comparer

Compare two texts side by side

Image SEO Optimizer

Compress images and get SEO filename tips

Email Subject Line Tester

Preview and score your email subject line

Viewport Size Tester

Preview a page at common device sizes

PWA Compatibility Checker

PWA compatibility checker for manifest and HTTPS

URL Unshortener

Reveal where a shortened link leads

Heading Structure Analyzer

FAQ Schema Builder

Keyword Intent Classifier

SERP Position Tracker Sheet

Sitemap Visualizer

Accessibility Contrast Checker

Check WCAG AA and AAA text contrast ratios

AMP Validator

Check AMP markup structure and CSS budget locally

SEO Analyzer

Check on-page SEO fundamentals

Domain Age Calculator

Calculate domain age from a registration date

SERP Snippet Simulator

Full Google result preview with pixels

Hreflang Tag Generator

Build multilingual hreflang tag sets

Keyword Grouper

Cluster keyword lists by shared terms

Text to HTML Ratio Checker

Compute content-to-code ratio

CTR Curve Estimator

Estimate clicks by ranking position

Web Banner Size Reference

All standard ad banner dimensions

Keyword Cloud & Density Heatmap

Visualize keyword frequency and density

HTTP-auth Generator

Generate Basic Auth .htpasswd credentials

YouTube Keyword Research Tool

Plan video keywords and search intent

Pagination Tag Generator

Generate canonical and pagination markup

Internal Linking Map

Map internal links and find orphan pages

Keyword Gap Analyzer

Find topics competitors cover and you do not

Website Screenshot Taker

Website screenshot workflow demo with viewport settings

YouTube Rank Tracker

Track a video's search ranking over time

Topic Cluster Planner

Plan a pillar page and subtopic cluster

Glossary Page Generator

Turn a term list into a formatted glossary page

Orphan Page Finder

Identify pages with no internal links

NAP Consistency Checker

Compare business name and contact details

Crawl Budget Estimator

Estimate a rough crawl budget for a site

Google Business Post Formatter

Format an update post for a Google Business Profile

SEO Gap Finder

Spot missing content opportunities

URL Parameter Scrubber

Remove tracking parameters safely

Featured Snippet Optimizer

Format content to target search featured snippets

SEO Audit Report Builder

Compile an on-page SEO audit report

Srcset Generator

Generate responsive image srcset markup

Schema Markup Tester Offline

Validate JSON-LD schema markup offline

Page Title Length Optimizer

Suggest trims for over-length title tags

Page Weight Budget Tracker

Track cumulative asset sizes against a performance budget

Meta Charset Validator

Check pasted HTML head for a properly declared charset

Broken Link Pattern Finder

Spot URL patterns that tend to break

Core Web Vitals Glossary

Plain-language definitions for LCP, INP, and CLS

HTTPS Mixed Content Scanner

Find insecure page asset links

Ad Creative Rotation Planner

Plan an even ad creative rotation across a campaign

Brand Awareness Survey Scorer

Score unaided and aided brand recall from survey results

Open Graph Image Size Validator

Check an image against the recommended Open Graph size

Content ROI Estimator

Estimate ROI for a piece of content from cost and conversions

Hreflang Return Tag Validator

Check that two pages' hreflang tags reference each other