Free SEO & AI Optimization Tools

A hosted suite of browser tools for search and AI visibility — build an XML sitemap, generate schema, FAQ and meta markup, preview your Open Graph card, tag campaign links with UTMs, publish an llms.txt, and control which AI crawlers (GPTBot, ClaudeBot, Google-Extended) can use your content for AEO/GEO. No installs, no sign-up, results instantly.

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llms.txt Generator

Build an llms.txt file that guides ChatGPT, Claude and other AI crawlers to your most important pages — the emerging AEO/GEO standard for AI answer engines.

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AI Crawler Control

Choose which AI crawlers may train on or fetch your content, then generate the robots.txt rules to block or allow GPTBot, ClaudeBot, Google-Extended and more.

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FAQ Schema Generator

Turn your questions and answers into valid FAQPage JSON-LD structured data for search engines and AI answer engines. Copy the code straight into your page.

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SERP Snippet Preview

See how your title and meta description look in Google, with live pixel-width truncation for desktop and mobile. Keep them within the limits.

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Readability Checker

Score how easy your content is to read — Flesch Reading Ease, grade level, Gunning Fog and SMOG — from any pasted text, instantly.

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Keyword Density Checker

See which words and 2–3 word phrases dominate your content, with frequency and density percentages and optional stop-word filtering.

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robots.txt Tester

Paste your robots.txt and any URL to see instantly whether a crawler is allowed or blocked — and exactly which rule decided it.

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XML Sitemap Validator

Paste or upload sitemap.xml to check it is well-formed, uses valid tags, and stays within the 50,000-URL and 50MB limits.

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Slug Generator

Turn any title into a clean, SEO-friendly URL slug — lowercase, hyphenated and accent-stripped, one slug per line. Copy in a click.

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Sitemap Generator

Paste your page URLs and build a valid XML sitemap with lastmod, changefreq and priority. Copy or download sitemap.xml — all in your browser.

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UTM Builder

Add utm_source, utm_medium and utm_campaign to any URL and get a ready-to-share tracking link. Copy in one click, with a recent-links history.

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Schema Markup Generator

Build valid JSON-LD structured data for FAQ, Article, Breadcrumb, LocalBusiness and Product. Copy the script tag straight into your page.

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Open Graph Preview

See how your link looks on Facebook, X and LinkedIn, and copy the og: and twitter: meta tags. A live social-card preview as you type.

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Meta Tag Generator

Create SEO title and description, Open Graph and Twitter Card tags with a live code preview. Copy or download — all in your browser.

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robots.txt Generator

Build a valid robots.txt with allow and disallow rules, crawl-delay and a sitemap URL. Copy or download — all in your browser.

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How the SEO Tools Work

Focused tools, one consistent interface. Pick a tool, fill in the fields, and copy or download the result instantly — nothing is uploaded.

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Pick a tool

Choose the Sitemap Generator, Schema Markup Generator, Open Graph Preview, UTM Builder, the Meta Tag Generator or the robots.txt Generator. Each one is a single page with one job.

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Fill in the fields

Enter your URLs, page details or campaign values. Everything updates live, on your device, with nothing sent to a server and no sign-up.

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Copy or download

Copy the generated sitemap, tags, JSON-LD or tracking link, or download a file. Then submit your sitemap in Google Search Console and paste tags into your page head.

Frequently Asked Questions

What SEO tools does LK Forge offer?
A free suite of browser SEO tools: a Sitemap Generator that builds a valid XML sitemap from your list of URLs, a Schema Markup Generator that outputs JSON-LD for FAQ, Article, Breadcrumb, LocalBusiness and Product, a Meta Tag Generator for SEO title, description, Open Graph and Twitter Card tags, an Open Graph Preview that shows how a link looks on Facebook, X and LinkedIn, a UTM Campaign URL Builder for tracked marketing links, and a robots.txt Generator. Everything runs in your browser with nothing uploaded and no sign-up.
Are these SEO tools free?
Yes. Every tool is completely free with no account, no payment and no usage cap. Each one runs client-side in your browser, so nothing you enter is sent to a server or stored, and the tools keep working offline once the page has loaded.
Do I need to sign up or install anything?
No. There is nothing to download and no account to create. Open any tool in a modern browser on desktop or mobile, fill in the fields, and copy or download the result instantly.
Which SEO tool should I use?
Use the Sitemap Generator to build a sitemap.xml to submit in Google Search Console, the robots.txt Generator to control crawling, the Meta Tag and Open Graph tools to improve how pages appear in search results and social previews, the Schema Markup Generator to add structured data that can unlock rich results, and the UTM Builder to tag campaign links so your analytics can attribute traffic.