Free tool: see if ChatGPT, Gemini, Perplexity and Claude mention your website
Free Tools & Calculators

What free SEO and AI search tools do you offer?

Short answer

Vidern offers four free instant tools: an AI Visibility Checker, an AI Crawler Access Checker, a Landing Page Conversion Audit and a Reddit Thread Finder. There are also seven free calculators covering AI search, SEO ROI, Google Ads budgets, traffic forecasts and content costs, plus free SEO and GEO audits delivered by email.

The full answer

Instant tools, with results in seconds or minutes:

  • AI Visibility Checker: whether ChatGPT, Gemini, Perplexity, Claude and Google AI Overviews mention your website for your keywords. It has a free plan; paid plans add more domains and keywords.
  • AI Crawler Access Checker: whether AI crawlers such as GPTBot, ChatGPT-User, ClaudeBot and PerplexityBot can read your site, testing both robots.txt and live server responses.
  • Landing Page Conversion Audit: nine conversion signals checked on any URL, with the evidence behind each finding.
  • Reddit Thread Finder: the Reddit threads ranking in Google's top results for a keyword.

Calculators: AI Overviews Traffic Loss, AI Share of Voice, SEO ROI, Google Ads Budget & Break-even CPC, Keyword Traffic Forecast, Organic Traffic Value and Content Budget. Each one shows its formulas and sources and needs no email.

Expert audits, reviewed by hand: the free SEO and AI visibility audit, delivered within 48 hours, and the free GEO audit, with a score from 0 to 100, delivered within 24 hours.

Published by Vidern, founded and led by Malhar Shah. Updated .

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