Free SEO Tools
Free.
Every tool on this page works instantly. No account. No credit card. No usage caps. Built by the team behind the DefiniteSEO.
Free SEO Tools
All free. No account, no email, no payment required.
Google AI Overview Preview Tool
See how your page appears as a cited source in Google AI Overviews. Preview the source card, inline citation, and mobile view for any URL, free, instant, no login required.
Keyword Density Checker
A free keyword density checker tool that shows how often each keyword and phrase appears in your content, expressed as a count and a percentage. Built for content writers, SEO professionals, and digital agencies with no login required.
Built different from every other free tool site
No dark patterns. No forced signups. No bait-and-switch free tiers.
No account. Ever.
Every tool works immediately with zero friction. No signup wall, no email confirmation, no credit card. Open the tool, get your result.
No usage limits
Analyse as many pages as you need. No daily caps, no monthly quotas, and no “free tier” with degraded results behind a paywall.
Built by practitioners
Every tool is built by the DefiniteSEO team. We use these tools on real projects every day. Not outsourced content filler.
Updated as Google evolves
Algorithms change. Our tools change with them. No zombie tools running outdated logic from three years ago.
Need unlimited automated checks?
DefiniteSEO Pro audits your entire website automatically, monitors it frequently, and surfaces issues before they affect your rankings. Built on the same engine as these free tools.
Are all these SEO tools really free?
Do I need to create an account to use these tools?
Can I use these tools for client websites?
What is the difference between these tools and DefiniteSEO Pro?
Do these tools work for non-WordPress websites?
Go further
Want your entire website analysed, not just one page?
These free tools check one page at a time. DefiniteSEO Pro audits your entire website automatically, monitors it regularly, and surfaces issues before they affect your rankings.
Every page, not just one
Catch issues before Google does
Integrated directly into your site