The Free Agentic SEO Tool
that replaces a $200/mo stack
PNX is your AI SEO strategist. Run on-page audits, AI keyword research, SERP competitor analysis, YouTube SEO and AI content generation — all in one chat, completely free.
All your SEO tools, in one free agent
Every tool below is unlimited and free, powered by AI.
Free SEO Audit Tool
Full on-page & technical SEO audit in 30 seconds.
AI Keyword Research
Free keyword research tool with intent clustering.
SERP Analysis
Live SEO competitor analysis & content gap finder.
YouTube SEO
Free YouTube SEO analyzer & keyword research.
AI Content Generator
SERP-aware AI content generation for SEO.
AI SEO Strategist
Agentic SEO that plans, executes and reports.
How agentic SEO works
Ask in plain English
Describe your SEO goal — PNX picks the right tool.
Agent runs the workflow
Live page fetch, SERP parse, schema check, AI clustering.
Ship the result
Get a structured report, brief or content draft you can act on today.
PNX vs paid SEO tools
Honest comparison. No spin.
| Feature | PNX | Ahrefs | Semrush | Surfer |
|---|---|---|---|---|
| Price | Free | $99+/mo | $139+/mo | $89+/mo |
| On-page SEO audit | ✅ Unlimited | ✅ | ✅ | ✅ |
| AI keyword research | ✅ | Limited | Limited | ❌ |
| SERP analysis | ✅ Live | ✅ | ✅ | ✅ |
| YouTube SEO | ✅ | ❌ | Limited | ❌ |
| AI content generation | ✅ | Add-on | Add-on | ✅ |
| Signup required | No | Yes | Yes | Yes |
| Daily limits | None | Plan-based | Plan-based | Plan-based |
From the SEO blog
All articles →Understanding Google OAuth 2.0 Verification for PNX Users
Everything PNX users need to know about Google OAuth verification — scopes, Limited Use compliance, and how to revoke access.
How PNX Uses Google Search Console Data to Boost Your SEO
Connect Search Console once and PNX turns raw query data into a prioritized SEO action plan — for free.
Free Agentic SEO Tool: How PNX Replaces a $200/mo SEO Stack
Agentic SEO means the AI plans, executes and reports — you just ask. Here's how PNX delivers it for free, with no daily limits.
Free AI SEO Audit Tool: Run a Technical SEO Audit in 30 Seconds
Most audit tools take 5 minutes and 8 forms. PNX gives you a complete technical SEO audit in 30 seconds, in chat.
Built by Saboor Tahir
PNX is an independent project. No VC pressure to upsell you. Just a free, fast, agentic SEO tool you can actually trust. Read the story →
Ready to rank?
Launch PNX and run your first SEO audit in under a minute.