Free SEO & MarTech Tools

Technical SEO tools built on real specs — not guesswork.

robots.txt Validator & Builder

Validate, test, and generate robots.txt files following Google's RFC 9309 specification.

LLMs.txt Builder & Validator

Generate and validate llms.txt files — the emerging standard for making your site AI-readable.

UTM Campaign URL Builder

Build UTM-tagged campaign URLs with smart presets for Google Ads, Meta, and more.

AI Meta Title & Description Creator

AI reads your page and generates SEO-optimized titles and descriptions with SERP preview.

PageSpeed Insights & Core Web Vitals

Analyze performance, accessibility, SEO scores, and Core Web Vitals using Google Lighthouse.