Free Keyword Density Tool Online — 100% Free, No Hidden Costs
Looking for a completely free keyword density tool? FlexyPdf's Keyword Density Tool is 100% free with no hidden costs, no premium tiers, and no usage limits. Unlike other tools that restrict features behind paywalls or limit the number of free operations per day, our Keyword Density Tool gives you full access to every feature without spending a penny. There is no trial period — the tool is free today and will remain free. All processing happens locally in your browser, which means we have no server costs to pass on to you. Whether you need to use Keyword Density Tool once or a hundred times a day, it costs nothing.
How to Use Keyword Density Tool
Paste Your Content
Enter or paste your article, blog post, or webpage content into the text area.
Choose Phrase Length
Switch between 1-word, 2-word, and 3-word keyword analysis.
Review Density Data
See each keyword's count, density percentage, and visual bar. Green indicates ideal density (1-3%).
Features
Multi-word Analysis
Analyze single words, 2-word phrases, and 3-word phrases separately.
Stop Word Filter
Toggle stop word filtering to exclude common words like "the", "and", "is".
Density Visualization
Color-coded bars show ideal, high, and over-optimized keyword densities.
Top 20 Keywords
See the top 20 keywords for each phrase length, sorted by frequency.
Benefits of Using Keyword Density Tool
Completely Free
Use Keyword Density Tool without any cost, limits, or hidden fees. No premium plans needed.
No Installation
Works directly in your browser. No software downloads or plugins required.
100% Private
Your files and data are processed locally. Nothing is uploaded to external servers.
Works Everywhere
Compatible with Chrome, Firefox, Safari, Edge on desktop, tablet, and mobile.
No Sign-Up
Start using the tool immediately. No account creation or email verification.
Always Available
Access this tool 24/7 from anywhere in the world, on any device.
Frequently Asked Questions
Complete Your SEO Tools Workflow
These free tools work seamlessly with Keyword Density Tool to handle every step of your workflow.