Free AI Keyword Extractor
Extract important keywords and phrases from text using AI. Free, fast, and works entirely in your browser with no sign-up required.
Keyword Extractor
About Keyword Extraction
- TF-IDF Algorithm: Term Frequency-Inverse Document Frequency weighs keywords by their relative importance
- Score (0-100): Combined metric of TF-IDF, frequency, and n-gram length
- 1-Word (Unigrams): Single keyword terms
- 2-Word (Bigrams): Two-word phrases, often more specific
- 3-Word (Trigrams): Three-word phrases, highest specificity
- Density: Percentage of total words the keyword represents
Tip: Use the Min Frequency filter to remove noise. Sort by TF-IDF for the most distinctive terms. Export to CSV for further analysis.
Frequently Asked Questions
What is the Keyword Extractor?
The Keyword Extractor is a free AI-powered tool that identifies and extracts the most important keywords and phrases from any text for SEO and content analysis.
Is the Keyword Extractor free?
Yes, it is free to use with no registration required.
How does the Keyword Extractor rank keywords?
The Keyword Extractor uses AI to analyze word frequency, relevance, and context to rank keywords by importance in your content.
Is my data safe with this tool?
Absolutely. The AI Keyword Extractor processes everything client-side in your browser. No data is uploaded to or stored on any server. Your content remains private on your device at all times.
Does the AI Keyword Extractor work on mobile devices?
Yes, the AI Keyword Extractor is fully responsive and works on smartphones and tablets. You can use it on any device with a modern web browser -- no app download required.
Do I need to create an account to use this tool?
No account or registration is needed. Simply open the AI Keyword Extractor in your browser and start using it immediately. There are no sign-up walls or usage restrictions.
How do I use the AI Keyword Extractor?
Simply enter your input in the provided field, adjust any settings to your preference, and the tool will process it instantly. You can then copy the result to your clipboard or download it.
Which browsers are supported?
The AI Keyword Extractor works in all modern browsers including Chrome, Firefox, Safari, Edge, and Opera. For the best experience, use the latest version of your preferred browser.
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About Free AI Keyword Extractor
Free AI Keyword Extractor is a free, browser-based tool in our AI Writing Tools collection. Everything runs locally on your device — no uploads, no sign-up, and your data stays private.