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Free SEO Tools

Run real SEO checks with live evidence, crawl coverage, meta tags, redirects, speed, keywords, backlinks and AI-search readiness. Every result is measured, never invented, and nothing needs a signup.

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38 free tools, real evidence, no signup

Site & SEO audit

9 tools

Website SEO Checker Crawl coverage, indexable pages, and internal links. GEO Checker Can ChatGPT, Perplexity & AI Overviews cite this page? Knowledge Graph (KG) Is your brand a recognized entity in Google's Knowledge Graph? Meta Tag Checker Inspect title, description, H1, and schema. Robots.txt Checker Test robots.txt rules, user-agents and blocked paths. Sitemap Checker Validate sitemap.xml type, URL count and reachability. HTTP Status & Redirect Check status codes and trace redirect chains for many URLs at once. Website Monitor Check uptime, status, response time, and history. Backlink Checker Backlinks, referring domains and authority for any domain.

Keywords

4 tools

Keyword Research Tool Review intent and available measured keyword data. SERP Checker Check live organic results by country and find a target's position. Keyword Gap Checker Compare keywords with competitors to find missing traffic opportunities. Competitor Top Pages Find the top traffic-driving pages and content for any domain.

Marketing & growth

6 tools

SEO ROI Calculator Turn traffic, conversion and margin assumptions into a decision-ready scenario. SEO Traffic Forecast Model clicks, conversions and revenue with explicit assumptions. Marketing KPI Calculator Calculate CTR, CPC, CPA and ROAS from campaign evidence. UTM Campaign Builder Create consistent tracking URLs for every channel and campaign. Campaign Brief Builder Turn a goal into an audience, offer, channel and measurement plan. Content Calendar Planner Generate a focused publishing plan your team can execute.

Content

5 tools

Online HTML Editor Live preview, beautify, minify, copy or download HTML. Convert Case Sentence, Title, UPPER, lower case, find & replace. Word & Character Counter Live word, character, reading-time and keyword density. AI Content Checker Review transparent writing signals, not an absolute detector verdict. Plagiarism Checker Find potential source matches with live URL evidence.

Security, speed & protocols

8 tools

Core Web Vitals (CWV) Real-user LCP, INP & CLS - does it pass Core Web Vitals? PageSpeed (PSI) Checker Lighthouse performance, SEO & accessibility scores. Website Safety Checker Is a site flagged for malware or phishing? Website Security Checker Check SSL, headers, selected ports, and server exposure. Server Response Time (TTFB) Time to First Byte - a live server-side HTTP fetch. Website Performance Test Full connection waterfall: DNS, TLS, TTFB, transfer. HTTP/2 Test Check HTTP/2, ALPN, TLS and HTTP/3 support. HTTP/3 Test Confirm HTTP/3 over QUIC with a real handshake.

Generators & utilities

6 tools

Meta Tag Generator Build title, description, Open Graph and Twitter tags. Robots.txt Generator Create a valid robots.txt with allow, disallow and sitemap. XML Sitemap Generator Turn a URL list into a valid XML sitemap. Image Converter JPG, PNG, WebP, AVIF, converted in your browser. Image Compressor Shrink image file size, no upload. Image Resizer Resize to exact pixel dimensions, ratio-locked.

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