Online SEO Tools

75+ free tools for SEO, site analysis, text processing, and network diagnostics.

80

tools

6

categories

9

languages

100%

free

SEO Analysis

Check your site's technical SEO parameters

Comprehensive SEO Audit NEW

30+ checks in seconds.

Meta Tag Analysis

Title, description, OG, Twitter Cards.

How your page looks in Google.

Security, caching, HSTS, CSP.

Redirect Checker

Chain of 301/302/307 redirects.

Certificate, TLS, trust chain.

A, AAAA, MX, NS, TXT, CNAME, SOA.

On-Page SEO Checker

20 optimization parameters.

Robots.txt Analysis

Directives, Sitemap, errors.

Sitemap XML Analysis

URLs, lastmod, priorities, validity.

Sitemap Keyword Parser NEW

Extract keyword terms and phrases from sitemap URLs.

Open Graph Debugger

OG and Twitter Card preview.

TTFB, resources, waterfall.

Meta Tags Generator

Title, description, OG with preview.

Hreflang Validator NEW

Alternate, x-default, reciprocal.

Schema Generator NEW

JSON-LD for articles, products, FAQ.

Alt, lazy loading, WebP, srcset.

Robots.txt Generator

Visual robots.txt builder.

Sitemap XML Generator NEW

Automatic sitemap generation.

Favicon Checker

Link tags, manifest, preview.

Keyword Research

Google Suggest, questions, CSV.

Keyword Cannibalization NEW

Конкуренция URL по одному запросу.

Website Screenshot NEW

Desktop/Mobile screenshot.

Links & Visibility

Link profile analysis, domain trust, broken link detection

Broken Link Checker

404, 5xx, redirects, timeouts.

Link Profile Analysis

Dofollow/nofollow, anchors, weight.

15 trust checks.

Google cache, meta robots, canonical.

Competitor comparison NEW

22 on-page metrics.

Inbound Link Finder NEW

Backlinks and verification.

Internal Link Opportunities NEW

Find internal link opportunities on existing pages.

Text & Content

Content processing, uniquification and improvement

Text Humanization

AI text → natural.

Paraphrasing while preserving meaning.

Content Spinner

Unique text variations.

SEO Article Optimizer NEW

AI optimizes for target keyword.

AI Article Generator NEW

SEO article for target keyword.

Formality, style, markers.

Keyword Density

1/2/3-grams with percentages.

Words, characters, readability.

AI Analysis

AI content detection, quality and coherence analysis

Quick AI text check: 13 heuristic metrics, ensemble score.

AI Detector PRO NEW

Deep sentence-by-sentence analysis: 18+35 metrics, radar chart, fragment heat map.

Readability Analysis

6 readability indices.

Coherence Analysis

Cohesion, transitions, topic.

Watermark Detector NEW

Zero-width, homoglyphs, steganography.

IP & Network

IP addresses, DNS, WHOIS, hosting, server security

IP, geolocation, User Agent.

Website IP Address

IPv4/IPv6, NS, geolocation.

Country, city, provider, map.

Registrar, date, NS, status.

Reverse DNS (PTR)

PTR record for IP.

HTTP, FTP, SSH, MySQL and more.

15 DNSBL spam databases.

Subnet Calculator

Mask, broadcast, hosts.

Hosting Detection

Hosting provider by NS and IP.

Registration date and age.

MX servers, priorities.

Mechanisms, limits, score.

Policy p, sp, rua, ruf.

Response code, TTFB, SSL.

HTTP/2 and HTTPS.

Security Headers

A-F header rating.

WordPress, Shopify, Bitrix and more.

Technology detection

CMS, frameworks, CDN, analytics.

Server information

IP, hosting, SSL, DNS.

DNS, TCP, TLS, TTFB, Download.

Secure, HttpOnly, SameSite.

Compression check

GZIP, Brotli, Deflate.

Provider, registry, prefixes.

Domains on shared IP.

HTTP Status Checker

Response code, redirect chain.

Utilities

Encoding, generation, conversion — useful developer tools

URL encoding/decoding.

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

Password Generator

Strong passwords, entropy.

User-Agent Parser

Browser, OS, device.

Encode/Decode Base64.

Prettify, Minify, Validate.

IPv4: decimal, binary, HEX.

CIDR Calculator

IP range, mask, hosts.

.htaccess Generator

Redirects, GZIP, cache, CORS.

Color Converter

HEX, RGB, HSL with preview.

QR Code Generator NEW

QR for URL, text, Wi-Fi.

Image Compression NEW

JPEG, PNG, WebP in browser.

Free Online SEO Tools — PromoPilot Tools

PromoPilot Tools is a set of 75+ free online tools for SEO specialists, webmasters, and marketers. All tools work without registration, instantly, and on any device.

Need a specific link building scenario? Explore Tiered Link Building, Web 2.0 Link Building, Link Building for Crypto, and comparison pages: PromoPilot vs Agency, PromoPilot vs Fiverr, PromoPilot vs Manual Web 2.0.

SEO Audit & Technical Optimization

Complete site audit in seconds: check meta tags, headers, SSL certificate, robots.txt, sitemap.xml, Open Graph, Schema markup. Analyze page speed, security HTTP headers, redirects, and generate optimal meta tags for search engines.

Link Analysis & Site Rankings

Check broken links, analyze page backlink profile, evaluate domain trust across 15 parameters. Compare your site with a competitor on 22 on-page metrics and find growth opportunities.

Text & AI Content

AI text humanization with 11 processing stages, paraphrasing, content spinning, article SEO optimization. Check texts for AI generation using 13 metrics, analyze readability across 6 indices, and detect hidden watermarks.

IP Tools & Network Diagnostics

Determine IP address, geolocation, hosting provider. Check WHOIS, DNS records, MX, SPF, DMARC. Analyze open ports, check IP against DNSBL blacklists, and perform reverse DNS lookups.

Developer Utilities

URL and Base64 encoding, hash generation (MD5, SHA-256), strong password creation, JSON formatting, .htaccess generation, QR code creation, in-browser image compression, and color conversion.

All tools are available in 9 languages and work for free. For comprehensive promotion of your site, use PromoPilot cascade link building.