Free Web Tools

Professional-grade utilities built for developers, agencies, and site owners. Audit, debug, and optimize — no signup required.

33 Free Tools • Always Free

Tools

All Tools

The same tools we use internally across our 13+ live websites — now available for everyone.

SEO & Content

SEO & GSC Audit

48 Google Search Console rules. Sitemap, canonical, redirects, structured data.

48 checksGSC API

Run

Meta Tags Analyzer

Title, description, viewport, canonical, headings, and on-page SEO elements.

Title & descHeadings

Run

Structured Data Validator

JSON-LD schema markup against schema.org. Required fields and rich results.

schema.orgRich results

Run

Social Preview Checker

Open Graph and Twitter Card tags. Preview how pages look when shared.

OG tagsTwitter Cards

Run

Sitemap Validator

XML sitemap schema, URL count, lastmod, broken links, sub-sitemaps.

XML schemaURL test

Run

Robots.txt Validator

Syntax, directives, sitemap reference, and crawl configuration issues.

SyntaxDirectives

Run

Domain Authority & Backlinks

PageRank score, global rank, domain age for competitive research.

DA scoreGlobal rank

Run

Broken Links Checker

Dead links, 404 errors, unreachable URLs. Internal and external links.

InternalExternal

Run

Redirect Checker

Complete redirect chain. Loop detection, 302 vs 301, excessive hops.

Full chain301/302

Run

Keyword Density Checker

Word frequency, density percentage, keyword placement in title, H1, meta.

Density %Phrases

Run

WHOIS Lookup

Registrar, creation date, expiry, nameservers, DNSSEC, privacy status.

Domain ageExpiry

Run

Generators

SERP Simulator

Preview how your page appears in Google — desktop and mobile. Edit title and description in real-time.

Live previewDesktop & mobile

Run

Meta Tags Generator

Generate complete meta tags — SEO, Open Graph, Twitter Card. Copy-paste HTML ready.

OG tagsTwitter Card

Run

Schema Markup Generator

JSON-LD for Organization, Article, Product, FAQ, LocalBusiness, and more. Validated output.

JSON-LD8 types

Run

Robots.txt Generator

Build robots.txt with allow/disallow rules, crawl-delay, and sitemap reference. Copy-paste ready.

Allow/DisallowSitemap

Run

Developer Tools

JSON Formatter & Validator

Format, validate, and beautify JSON. Tree view, syntax highlighting, error pointer.

FormatValidate

Run

Regex Tester

Test regular expressions with live match highlighting, capture groups, and replace preview.

Live matchGroups

Run

Performance & Speed

Speed & Core Web Vitals

Real Lighthouse audit. LCP, CLS, TBT, FCP, Speed Index for mobile and desktop.

LCP / CLSLighthouse

Run

Page Size Analyzer

HTML size, TTFB, resource counts, lazy loading, compression status.

TTFBResources

Run

HTTP/2 & HTTP/3 Check

Protocol support, TLS 1.3, Brotli compression, HSTS, preload hints.

HTTP/2TLS 1.3

Run

Image Optimizer Analyzer

Image sizes, WebP/AVIF usage, lazy loading, alt text, responsive images.

WebP/AVIFLazy load

Run

Security & Infrastructure

Security Headers Check

HSTS, CSP, X-Frame-Options, Permissions-Policy, cookie security.

16+ headersCSP

Run

HTTP Headers Analyzer

All response headers — security, caching, compression, server config.

CacheCompression

Run

SSL Certificate Checker

Certificate validity, expiration, issuer, domain match, HTTPS redirect.

ExpiryHTTPS

Run

Mixed Content Scanner

HTTP resources on HTTPS pages — scripts, stylesheets, images.

ScriptsHSTS

Run

DNS Lookup

A, AAAA, MX, NS, SPF, DMARC, CAA records. Email authentication.

All recordsSPF

Run

Cookie Scanner

All cookies, Secure/HttpOnly/SameSite flags, GDPR consent, third-party tracking.

GDPRFlags

Run

Email Deliverability Test

SPF, DKIM, DMARC, MX records, BIMI, MTA-STS. Email provider detection.

SPF/DKIMDMARC

Run

Analysis & Detection

Technology Detector

CMS, JavaScript frameworks, CSS frameworks, analytics, CDN, and more.

CMSFrameworks

Run

Accessibility Checker

WCAG compliance: alt text, headings, form labels, ARIA, navigation.

WCAGARIA

Run

Modern Web

AI Readiness Checker

ChatGPT, Claude, Perplexity crawler access. llms.txt, structured data, AI optimization.

9 AI botsllms.txt

Run

Carbon Footprint Calculator

CO2 per visit, page weight, green hosting, resource efficiency, sustainability rating.

CO2Green rating

Run

Favicon & PWA Checker

Favicon, apple-touch-icon, web manifest, service worker, PWA install readiness.

PWAManifest

Run

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