About the Keyword Density Checker
Count how often a keyword or phrase appears in your text and calculate its exact percentage density, with a full top-words table.
The Keyword Density Checker is part of the SEO Tools collection on Tool Magic Lab. Meta tags, sitemaps, robots.txt, keyword density, schema and on-page checks that run in your browser or against a live URL.
This tool runs entirely in your browser: your input and files are processed on your own device and are never uploaded to Tool Magic Lab servers, which makes it both fast and private.
How to use the Keyword Density Checker
- Open the Keyword Density Checker above — it is ready to use, no sign-up is required.
- Enter your input in the fields provided.
- Press the Run / Generate button and review the result in the output area.
- Use Copy to copy the result, or Download where the tool offers a file.
Features
- Dedicated Keyword Density Checker processing logic in the Tool Magic Lab engine — validated automatically against the tool registry, not a generic placeholder.
- Input validation with clear error messages, plus copy and download controls on results where a result can be saved.
- Works on mobile, tablet and desktop with a responsive, accessible interface — no account required for basic use.
- Free for basic use as part of Tool Magic Lab — All Your Tools. One Magic Place.
Example
Example input
Paste an article and a target keyword to see its density.
Example output
The Keyword Density Checker result appears in the output area, ready to copy or download.
Privacy
This tool processes everything locally in your browser. Your text and files are never uploaded to Tool Magic Lab servers.
Authoritative resources
- Google Search Central documentation — Google's official SEO documentation — the primary source for how search indexing and rich results work.
- schema.org — The official vocabulary for structured data used by the schema tools.
Frequently asked questions
Is the Keyword Density Checker free to use?
Yes. The Keyword Density Checker on Tool Magic Lab is free to use and does not require an account for basic use.
Is my data uploaded to a server?
No. This tool runs entirely in your browser, so your input and files stay on your own device.
How does the Keyword Density Checker work?
Count how often a keyword or phrase appears in your text and calculate its exact percentage density, with a full top-words table. It uses its own dedicated processing logic in the Tool Magic Lab tool engine — not a generic placeholder.
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