Free calculators and generators for SEO, GEO, and AI agents. No signup, no upsell wall — everything runs in your browser.
Estimate the monthly API cost of an AI agent across Claude, GPT, and Gemini — with prompt-caching savings and a side-by-side model comparison.
Open tool →Build a spec-compliant llms.txt — the Markdown index that tells ChatGPT, Claude, and Perplexity what your site is and which pages matter.
Open tool →Generate valid JSON-LD for FAQ, Article, Organization, HowTo, and Breadcrumb — the structured-data types Google and AI engines actually use.
Open tool →Allow or block GPTBot, ClaudeBot, PerplexityBot, Google-Extended and more — with a preset that blocks training but keeps you in AI answers.
Open tool →See how your title and meta description render in Google on desktop and mobile, with real pixel-width truncation warnings — not a character count.
Open tool →Honest comparison of free and paid tools to check whether ChatGPT, Perplexity, Claude, and Gemini cite your domain — plus the manual method that costs nothing.
Open tool →These tools cover the pieces. The audit ties them together — technical SEO, schema, and the AI-search layer that gets you cited.