Hosted app: free, all features unlimited. Self-hosted: free, open source under MIT licence. Search data from YepAPI: paid per lookup. Examples: keyword overview $0.47–$0.57, keyword ideas $0.07–$0.25, SERP checker $0.25–$0.26, rank check $0.02–$0.10, backlink checker $0.30–$0.34. New YepAPI accounts
Free browser-based tools with no limits; paid services available for specialized engagements including fractional SEO retainers, technical audits, and custom web development (pricing available upon inquiry).
Key features
Keyword research with difficulty, volume and top 10 results
SERP checker for any location with desktop and mobile options
Rank tracking to top 20, 50 or 100 by country, city or coordinates
Backlink checker with monthly link history
AI visibility tracking across 120+ AI models with web search
Local rank checker with geo-grid maps
MCP server with 76 tools for AI agents
Google Search Console integration
Self-hosting with Docker on your own server
687+ free browser-based tools across 16 categories
SEO tools including meta title generator and SERP snippet previewer
Image optimization tools with client-side processing
Developer utilities including JSON formatter and code validators
No login required for most tools
Sub-second load times with passing Core Web Vitals
Open knowledge base with technical playbooks
Fractional search leadership and monthly retainers
Custom web development and tool engineering services
What makes it different
MIT licensed open-source code you can read and modify completely
Self-hosted option keeps all your data on your own server
Pay per lookup with spending limits controlled by you
AI agents have spending ceilings to prevent overspending
Anti-agency model connecting directly with senior practitioners instead of junior account managers
Platform creator personally built all 687+ browser tools using vanilla technologies
Browser tools run entirely client-side with zero data retention and privacy
Verified results backed by GA4 and Search Console data from live client engagements
Custom websites and tools built to 95+ Lighthouse scores with zero plugin bloat
OpenSEO