k-o.pro

Free tools

Keep Optimized – Chrome SEO Plugin

  • SEO Score & Quick Summary
  • Meta Tags Analysis
  • Content & Headings Audit
  • Link Checker
  • and more!
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AI search visibility tools

Check and improve how AI assistants — ChatGPT, Claude, Perplexity, Gemini — crawl, cite, and present your site.

AI Crawler Access Checker

See which AI crawlers can access your site

llms.txt Generator & Validator

Create and validate llms.txt files for AI assistants

Technical SEO tools

Essential validation and generation tools for optimizing your website's technical SEO foundation and search engine visibility.

Schema Markup Validator

Validate structured data markup for search engines

Robots.txt Validator & Generator

Create and validate robots.txt files for crawlers

Canonical Checker

Validate canonical tags and fix duplicate content

Sitemap Generator & Validator

Create and validate XML sitemaps for SEO

Google Index Checker

Verify if pages are indexed by Google

Hreflang Checker

Validate hreflang tags for multilingual SEO success

Schema Markup Generator

Generate JSON-LD structured data from a simple form

Meta Tags Analyzer

Audit all meta tags of any page in one check

Bulk Redirect Checker

Check status codes and redirect chains in bulk

Calculators

Calculate key performance metrics including CTR, SEO ROI, and customer lifetime value to measure marketing success.

CTR Calculator

Calculate click-through rates for marketing campaigns instantly

Customer Lifetime Value Calculator

Calculate customer lifetime value for business growth

SEO ROI Calculator

Measure return on investment from SEO efforts

Content optimization tools

Improve your content's readability and search appearance with tools for text analysis and SERP preview.

Readability Checker

Check text readability scores and improve content

SERP Simulator

Preview how pages appear in Google search

Keyword Density Analyzer

Find top keywords and phrases with density scores

Development tools

Handy utilities for developers — format, inspect, and diagnose your web stack quickly.

Code Prettify Tool

Format and beautify code for better readability

HTTP Status Tool

Check website response codes and server status

UTM Campaign URL Builder

Build clean GA4 campaign URLs with presets

Need custom tools?

Have a specific SEO challenge? I build tailored tools and workflows.

Get in touchAbout me