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SEO analysis, text processing, AI detector and much more. No registration, free.

65

tools

6

categories

9

languages

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SEO Analysis Links & Visibility Text & Content AI Analysis IP & Network Utilities

SEO Analysis

Check your site's technical SEO parameters

Comprehensive SEO Audit

30+ checks in seconds: performance, meta tags, security, content, links. Overall rating.

Meta Tag Analysis

Title, description, OG, Twitter Cards, canonical, hreflang, heading structure.

SERP Preview

How your page looks in Google search results.

HTTP Headers

Security, caching, HSTS, CSP, X-Frame-Options.

Redirect Checker

Full 301/302/307 redirect chain to the final URL.

SSL Checker

SSL certificate: validity, issuer, TLS, chain.

DNS Lookup

All DNS records: A, AAAA, MX, NS, TXT, CNAME, SOA.

On-Page SEO Checker

Page optimization check for a keyword: 20 parameters, recommendations.

Robots.txt Analysis

Allow/Disallow directives, User-Agent, Sitemap, Crawl-delay. Indexing errors.

Sitemap XML Analysis

Sitemap check: URLs, lastmod, priorities, XML validity.

Open Graph Debugger

OG and Twitter Card tag preview. How your link looks on social media.

Page Speed

Page weight, TTFB, resources (JS/CSS/IMG), compression, recommendations.

Meta Tags Generator

Create optimal title, description, Open Graph, Twitter Card with preview.

Schema Markup Generator

JSON-LD for articles, products, FAQ, organizations, breadcrumbs. Google Rich Snippets.

Image SEO

Alt tags, lazy loading, WebP, srcset, dimensions — full image audit on page.

Links & Visibility

Link profile analysis, domain trust, broken link detection

Broken Link Checker

Find 404, 5xx, redirects and timeouts. Up to 50 links per check.

Link Profile Analysis

Internal/external, dofollow/nofollow, anchors, link juice distribution.

Domain Trust

15 checks: HTTPS, SSL, security, robots.txt, sitemap, Schema, DNS.

Index Check

Google cache, meta robots, X-Robots-Tag, robots.txt, canonical, sitemap — 7 indexing checks.

Competitor comparison

Compare two websites by 22 on-page metrics: meta tags, speed, security, content.

Text & Content

Content processing, uniquification and improvement

Text Humanization

Make AI text natural: 11-stage pipeline, 9 profiles.

Paraphrasing

Syntactic paraphrasing with meaning preservation.

Content Spinner

Generate unique text variants. Up to 10 at once.

Tone Analysis

Formality, subjectivity, style markers + adjustment.

Keyword Density

1-, 2- and 3-grams with percentages. Find keyword stuffing or gaps.

Word Counter

Words, characters, sentences, paragraphs. Reading time and readability.

AI Analysis

AI content detection, quality and coherence analysis

AI Detector

13 metrics + ensemble AI generation probability analysis.

Readability Analysis

6 readability indices, text statistics, artificiality score.

Coherence Analysis

Lexical cohesion, transitions, topic consistency.

Watermark Detector

Zero-width characters, homoglyphs, steganography. Text cleaning.

IP & Network

IP addresses, DNS, WHOIS, hosting, server security

My IP Address

Your IP, geolocation, User Agent and connection parameters.

Website IP Address

Determine IPv4/IPv6 address of any domain, NS servers, geolocation.

IP Geolocation

Full geolocation: country, city, provider, coordinates, map.

Domain WHOIS

Registrar, registration date, NS, domain status.

Reverse DNS (PTR)

PTR record for IP address, forward DNS verification.

Port Check

Check open ports: HTTP, HTTPS, FTP, SSH, MySQL and more.

Blacklist check

Check IP against 15 DNSBL spam databases. Pro.

Subnet Calculator

Mask, wildcard, broadcast, host range by IPv4/CIDR.

Hosting Detection

Find website hosting provider by NS and IP.

Domain age

Registration date and domain age via WHOIS.

MX records

MX servers, priorities, email provider detection.

SPF Check

SPF record analysis: mechanisms, lookup limits, score.

DMARC Check

DMARC policy analysis: p, sp, rua, ruf, pct, score.

Website Status

Check if a website is up: response code, TTFB, SSL.

HTTP/2 Check

HTTP/2 protocol support and HTTPS connection.

Security Headers

Security headers analysis, A-F rating.

CMS Detector

CMS detection: WordPress, Shopify, Bitrix, Next.js and more.

Technology detection

CMS, frameworks, analytics, CDN, JS libraries, fonts.

Server information

IP, hosting, software, SSL, headers, DNS records.

Response time

DNS, TCP, TLS, TTFB, Download — full waterfall.

Cookie check

Analysis of Secure, HttpOnly, SameSite cookie attributes.

Compression check

GZIP, Brotli, Deflate: support and bandwidth savings.

ASN Lookup

Autonomous system: provider, registry, prefixes. Pro.

Reverse IP

All domains hosted on a single IP address. Pro.

HTTP Status Checker

Response code, redirect chain, timing for each step.

Utilities

Encoding, generation, conversion — useful developer tools

URL Encoder

Encode and decode URL strings online.

Hash Generator

MD5, SHA-1, SHA-256, SHA-512, CRC32, Whirlpool.

Password Generator

Secure passwords of any length and complexity, entropy.

User-Agent Parser

Browser, OS, device, engine. Bot detection.

Base64 Encoder

Encode and decode Base64 online.

JSON Formatter

Prettify, Minify and Validate JSON data.

IP Converter

IPv4 to decimal, binary, HEX, octal.

CIDR Calculator

IP range, mask, hosts by CIDR notation.

.htaccess Generator

Redirects, GZIP, cache, Security Headers, CORS, protection.

Color Converter

HEX, RGB, HSL — conversion with preview.

Why do you need these tools?

Technical SEO audit is the foundation of any site promotion. Properly configured meta tags, headers, SSL certificate and DNS records directly affect search rankings.

Text tools help create unique, natural content: AI text humanization, paraphrasing, AI generation checking, tone and readability analysis.

All tools are free and work without registration. For comprehensive site promotion use PromoPilot cascade link building.