Free SEO Tools
A growing collection of 39 free tools to help you research keywords, plan content, audit your website, and improve your search engine rankings. No signup required — just pick a tool and start analysing.
Keyword Research
Discover high-value keywords, gauge ranking difficulty, group related terms, and generate AI-powered keyword ideas to fuel your content strategy.
Content Tools
Plan and refine your content, from full keyword-driven briefs to readability scoring and word counts.
On-Page SEO
Optimise your page titles, meta descriptions, and social previews to improve how search engines and social platforms display your content.
Technical SEO
Audit your site’s technical health — from DNS propagation and SSL certificates to redirect chains and HTTP security headers.
Performance
Measure your website’s loading speed and test your internet connection to diagnose performance bottlenecks.
YouTube SEO
Get your videos found. Generate tags, keywords, hashtags and optimised descriptions, then create clean embed code for any YouTube video.
Links & Utilities
Handy everyday tools for building campaign links, shortening URLs, and tidying up your text.
Why Use KeywordNumbers Tools?
Every tool on this page is free to use with no registration and no hidden fees. Whether you're a blogger checking keyword density, a developer auditing SSL certificates, or a marketer previewing SERP listings — we've built these tools to be fast, accurate, and straightforward.
Need keyword volume estimates? Head back to the homepage to use our main Keyword Search Volume Analyser, or try the AI Keyword Ideas tool to generate fresh keyword suggestions for your niche.