---
title: "Free AI Search Tools — crawler checker, llms.txt & schema validators | Answerly Agency"
description: "Free tools for AI search: AI crawler checker, llms.txt validator, schema markup validator and the 47-check AI Visibility Audit are live now. Citation checker ships this quarter. No signup wall."
url: https://answerly.agency/tools/
lang: en
---

Tools · free, no signup wall

# Free tools for AI search visibility.

Every competitor gates the number behind an account. We just email it. The AI crawler checker, the llms.txt validator, the schema validator and the 47-check AI Visibility Audit are live now; the citation checker ships this quarter. We list what is coming honestly rather than fake a "suite" that does not exist yet.

## Live now

-   [Live
    
    ### AI Crawler Checker
    
    Paste a URL and instantly see which of 23 AI crawlers — GPTBot, OAI-SearchBot, ClaudeBot, PerplexityBot, Google-Extended — your robots.txt allows or blocks. No signup.
    
    Run it free →](/tools/ai-crawler-checker/)

-   [Live
    
    ### llms.txt Validator
    
    Checks any llms.txt against the published format — required H1, summary, H2 file lists, link syntax — samples the listed URLs for 404s and scores the structure 0–100.
    
    Run it free →](/tools/llms-txt-validator/)

-   [Live
    
    ### Schema Validator
    
    Extracts every JSON-LD block on a page and grades the entity graph — required properties, sameAs, @id linking, string authors, mistyped @type. Scored 0–100.
    
    Run it free →](/tools/schema-validator/)

-   [Live
    
    ### AI Entity Checker
    
    Enter a brand and see whether AI engines can resolve it as a distinct entity — Wikidata item, Wikipedia article, official-website link, same-name collisions. Scored 0–100.
    
    Run it free →](/tools/entity-checker/)

-   [Live
    
    ### Answer Readiness Checker
    
    Paste a URL and see how extractable the content is for AI answer engines — is the answer in the HTML, up top, in question headings, lists and tables. Scored 0–100.
    
    Run it free →](/tools/answer-readiness/)

-   [Live
    
    ### UTM Builder
    
    Build clean UTM campaign links for GA4 — presets for Google Ads, Meta, TikTok and email, dynamic tokens kept intact, lowercase-safe, one-click copy and CSV history. Runs in your browser.
    
    Run it free →](/tools/utm-builder/)

-   [Live
    
    ### AI Visibility Audit
    
    47 checks across robots, llms.txt, schema, entity signals and AI discoverability. Emails a 0–100 score with the three highest-lift fixes in under a minute.
    
    Run it free →](/ai-visibility-audit/)

## Shipping this quarter

-   [Beta
    
    ### AI Citation Checker
    
    Built and email-gated at /tools/ai-citation-checker/ — checks whether ChatGPT, Google AI Overviews and Gemini cite your brand on a prompt you enter. Activating per engine as the paid API keys are wired.
    
    Try it free →](/tools/ai-citation-checker/)

Want one of these first? Tell us which at [contact](/contact/) — we prioritise the tools people ask for.