Every tool here teaches one specific concept while you use it. No signups. No paywalls. Built for working SEOs and learners alike — open one, get value, close it. New tools added every quarter.
See exactly how your title and meta description appear on Google — desktop and mobile, with an instant SEO score and pixel-perfect rendering.
Open tool →Generate valid JSON-LD for Article, FAQ, HowTo, LocalBusiness, Product, and Breadcrumb schemas. Copy and paste into your site for rich snippets and AI-citation eligibility.
Open tool →Score, A/B compare, or bulk-analyze 10 titles at once. Includes 12 proven title formulas and a power-word library organized by intent.
Open tool →Paste content. See word frequency, density warnings, and readability metrics. Catches stuffing before Google does. 1-, 2-, and 3-word phrases analyzed.
Open tool →Check the length and effectiveness of meta descriptions in real time, with pixel-perfect Google rendering.
In progressTell Google what to crawl and what to skip. Build a perfect robots.txt file in seconds — with a live syntax check.
In progressEvery paid SEO tool starts with what's free — they just add scale, history, and convenience on top. The free versions of these checks are enough for 90% of working SEOs and 100% of learners.
Each tool here is built around one principle: it should teach you something while you use it. The SERP Preview doesn't just show you how a result looks — it scores it, tells you what's wrong, and explains how to fix it. That's the bar.
If you have a tool you wish existed, tell us. We build them in the order people actually need them.