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Free SEO & AI Tools
Free SEO and AI-visibility tools from Knownful — check how your brand shows up in ChatGPT, Perplexity and Gemini, optimize content for AI citations, and preview your Google results. No signup.
Free Tools
Free SEO & AI visibility tools
A small set of free tools to see how your brand shows up in AI answers and search — and exactly what to fix. No signup, no fluff.
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Monthly research
The AI Search Visibility Index
See which brands ChatGPT actually recommends across 10 industries, ranked by AI share of voice — with the real sources it cites. Updated every month.
Explore the Index →🔎
AI Presence Checker
See how visible your brand is to ChatGPT, Perplexity and Gemini. Answer 20 signals across 5 categories to get your score, a benchmark against similar brands, and fixes.
Open the tool →✍️
AI Content Optimizer
Paste your draft and get an instant, factual read on how citable it is for ChatGPT, Perplexity and Gemini — scored across 11 on-page signals, with the exact fixes.
Open the tool →🖥️
Google SERP Preview Tool
Write your title tag and meta description and see exactly how your result looks on desktop and mobile — with live length checks — before you publish.
Open the tool →⚡
More tools on the way
New free SEO & AI-visibility tools ship regularly. Have one you’d want? Tell me.
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