Free SEO Tools
Lightweight, fast, browser-based tools to optimize your content and technical SEO. No signup, no limits.
Word Counter
Count words, characters, sentences, paragraphs and estimate reading time instantly.
SEO Slug Generator
Generate clean, SEO-friendly URL slugs from any title. Handles accents, stop words and length.
Readability Analyzer
Get readability scores, sentence complexity analysis and suggestions to improve your content.
Keyword Density Analyzer
Analyze keyword frequency, density percentages and n-gram patterns in your content.
SEO Title Analyzer
Score your headlines based on length, power words, emotional triggers and SEO best practices.
Meta Tag Length Checker
Check if your meta title and description fit Google's pixel limits with a live preview.
Google SERP Simulator
Preview exactly how your page will appear in Google search results before publishing.
Heading Extractor
Extract and visualize the H1-H6 heading structure of any page as a tree for quick audits.
TF-IDF Analyzer
Compare your content against a competitor to find missing keywords and content gaps.
Want the full SEO suite?
These free tools are great for quick checks. For AI-powered content generation, competitor analysis and SEO scoring, try Tonaily.