32 free tools

Free SEO and AI search tools.

Every one of them takes a single input. Give it a domain or a page URL and it tells you something true about how search engines and answer engines read you. No sign-up, no limit.

northwind.comCheck crawlers

4/6Answer engines allowed

3/8Training crawlers blocked

OAI-SearchBotOpenAIvia *Blocked

ChatGPT-UserOpenAIvia *Blocked

PerplexityBotPerplexityvia PerplexityBotAllowed

ClaudeBotAnthropicno ruleAllowed

All 32 tools

One input each. Pick by what you need to check.

AI search

Check and shape how answer engines read your site.

llms.txt GeneratorBuild the llms.txt file that tells ChatGPT, Perplexity, and Claude which of your pages to cite.A domain robots.txt GeneratorWrite a robots.txt that lets answer engines in and keeps training crawlers out, in two clicks.A domain AI Crawler CheckerPopularSee exactly which AI crawlers you allow, block, or never mentioned, from just your domain.A domain llms.txt ValidatorCheck any domain’s llms.txt for the mistakes that stop an assistant using it properly.A domain llms.txt from SitemapTurn any domain’s sitemap into a first-draft llms.txt, grouped into sections automatically.A domain

Technical SEO

Redirects, tags, headings and the files crawlers read first.

Redirect CheckerPopularTrace every redirect a URL makes: the status code, where it points, and how long each hop takes.A URL Meta Tag CheckerCheck a page’s title, meta description, canonical, robots tags, language and hreflang in one pass.A page URL Heading CheckerSee a page’s H1 to H6 outline the way a crawler reads it, with missing H1s and skipped levels flagged.A page URL robots.txt CheckerTest any URL against any crawler, see the exact rule that decides it, and find the lines crawlers ignore.A domain Sitemap ValidatorCheck an XML sitemap for the problems that make crawlers skip URLs: duplicates, other hosts, http and bad dates.A domain

Content

Check the words before they ship.

Keyword Density CheckerPopularSee which words and phrases a page repeats most, and how often your target keyword actually appears.A page URL or text Readability CheckerScore any page or draft for Flesch Reading Ease and grade level, and find the sentences that drag it down.A page URL or text

SERP & metadata

See your page the way search results and social feeds will render it.

SERP Snippet PreviewPopularSee how your title and description render in Google results, and where they get cut off.A page URL Open Graph CheckerSee how your page looks when it is shared on LinkedIn, X, Facebook and Slack, and get the tags to fix it.A page URL Meta Tag GeneratorWrite the title, description, robots, canonical and share tags a page needs, and copy them as one block.A page URL

Structured data

Generate the markup Google and AI engines actually parse.

See where you actually stand.

A free tool checks one thing once. Veritas watches all of it, continuously, across every engine that decides whether you get cited.

GOOGLE · CHATGPT · PERPLEXITY · GEMINI · AI OVERVIEWS