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66+ Free SEO Tools
Professional-grade free SEO tools to analyze, optimize, and grow your organic traffic. Work instantly — no signup, no login required.
Showing 6 tools in GEO & AI Search
GEO & AI Search
Optimize for ChatGPT, Perplexity, and Google AI Overviews citations.
LLMs.txt Generator
Generate llms.txt and llms-full.txt files to help ChatGPT, Perplexity, and Gemini understand your site structure.
AI Crawlability Checker
Check if GPTBot, ClaudeBot, PerplexityBot, and Gemini can crawl your site. Instantly see what AI bots are blocked.
Robots.txt Generator
Build a robots.txt file with full AI crawler support — GPTBot, ClaudeBot, PerplexityBot, CCBot, and more.
GEO Readiness Score
Score your page across 12 GEO signals: llms.txt, schema, E-E-A-T, FAQ content, and AI-friendly structure.
Hreflang Tag Generator
Generate correct hreflang tags for multilingual sites. Output HTML link tags or XML sitemap format.
Title Tag Optimizer
Score your title tag for length, keyword placement, power words, and click-through potential. Get instant improvements.
Free SEO Tools — No Login, No Credit Card
Every tool on this page is free to use, works instantly in your browser, and requires no account. Whether you're a freelance SEO consultant, an in-house marketer, or a developer debugging a technical issue, you get the same professional-grade analysis without a paywall.
Unlike paid platforms that restrict free tiers to teaser results, our free SEO tools return full data. Run a Core Web Vitals check, validate your schema markup, analyze keyword density, or audit your robots.txt — all without signing up.
Technical SEO Tools
Check crawlability, validate robots.txt, test Core Web Vitals, inspect HTTP headers, and verify hreflang implementation — all from one dashboard.
Keyword Research Tools
Analyze keyword density, find long-tail opportunities, and measure search intent signals without a Semrush or Ahrefs subscription.
Content & On-Page SEO
Optimize title tags, meta descriptions, heading structure, and internal linking. Our content tools check what Google and AI engines actually see.
AI & GEO Optimization
Purpose-built tools for Generative Engine Optimization — check AI crawler access, generate llms.txt files, and measure your GEO readiness score.
Free SEO Tools vs Paid Platforms
Paid tools like Semrush, Ahrefs, and Screaming Frog are powerful — but most of what you need for day-to-day SEO analysis is available free. FreeSEOTools.io was built specifically to cover the tasks that don't require a $100/month subscription: checking meta tags, validating schema, testing page speed, and analyzing on-page optimization.
Start with the free SEO tools here. When you need enterprise-scale crawling or large-scale keyword databases, that's when a paid tool earns its cost. For everything else — these tools are all you need.