Keyword Extractor
Extract keywords and analyze word frequency - 100% free and private
You've written a great article, but what keywords should you target? Or maybe you're analyzing a competitor's content and want to see what terms they're focusing on. Whatever the case, manually counting word frequency is tedious and error-prone.
This free keyword extractor solves that problem. Paste any text - articles, blog posts, YouTube descriptions, product pages - and instantly see the most important keywords ranked by frequency. Plus, everything runs in your browser, so your content stays completely private.
Whether you're doing SEO research, analyzing YouTube channel keywords, or just trying to understand what a piece of content is really about, this tool gives you actionable insights in seconds.
How to Extract Keywords
Extracting keywords takes just a few clicks. No sign-ups, no limits, no waiting. Here's the process:
- Paste your text - Copy any content into the input box: articles, YouTube video descriptions, blog posts, product pages, or even entire documents. The tool handles any length.
- Choose keyword type - Select single words, 2-word phrases, 3-word phrases, or all types combined. Multi-word phrases are great for finding long-tail keywords.
- Set the count - Use the slider to choose how many keywords you want (5 to 50). More isn't always better - the top 20 usually tells the story.
- Click "Extract Keywords" - The tool instantly analyzes your text and shows keywords ranked by frequency, with density percentages.
- Export your results - Copy keywords in various formats (comma-separated, new lines, CSV, or JSON) or download them directly.
To extract YouTube channel keywords, go to any channel, click "About," copy the entire description, and paste it here. For video keywords, copy the video title and description together. This gives you insight into what keywords successful channels are targeting.
Need to clean up your text before analysis? Use our Remove Extra Spaces tool first. For case normalization, the Text Case Converter helps standardize your content.
Why This Keyword Extractor Stands Out
I've used many keyword tools over the years. Here's what makes this one different:
- 100% Free and Unlimited - No daily limits, no premium tier, no "sign up for more extractions." Use it as much as you want.
- Complete Privacy - Your text never leaves your browser. No API calls, no cloud processing, no data logging.
- Multi-Word Phrases - Extract single keywords, 2-word combinations, or 3-word phrases. Long-tail keywords are often more valuable than single words.
- Density Analysis - See exactly what percentage of your content each keyword represents. Great for SEO optimization.
- Multiple Export Formats - Get your keywords as comma-separated values, one per line, CSV with counts, or JSON for developers.
- Works Offline - Once loaded, the tool works without internet. Perfect for analyzing sensitive documents.
- YouTube Compatible - Analyze video descriptions, channel about sections, and competitor content to discover their keyword strategy.
Real-World Use Cases
Here's how different people use this keyword extractor:
SEO Content Writers
Before writing, paste competitor articles into the tool to see what keywords they're targeting. After writing, analyze your own content to ensure you've included your target keywords with appropriate density. Aim for 1-2% for primary keywords.
YouTube Creators
Finding the right YouTube channel keywords is crucial for discoverability. Paste descriptions from successful channels in your niche to see what terms they use. Apply these insights to your own channel tags and video descriptions. You can also analyze your video transcripts to optimize your content.
Amazon Sellers
Product listings need the right keywords. Paste your product description to see which terms appear most frequently. Then compare with competitor listings to find keywords you're missing.
Academic Researchers
Analyzing research papers? Extract keywords to quickly understand the main themes. Useful for literature reviews or when deciding which papers to read in depth. If your papers are PDFs, convert them first with our PDF to Word Converter.
Social Media Managers
Analyze trending posts in your niche. Paste the text from viral content to discover what language resonates with your audience. Use these insights to craft better captions and hashtags.
How Keyword Extraction Works
This tool uses a technique called keyword extraction based on word frequency analysis. Here's the process:
- Tokenization - The text is split into individual words and phrases (n-grams).
- Normalization - All text is converted to lowercase to ensure "Keyword" and "keyword" are counted together.
- Stop Word Removal - Common words like "the," "is," "and" are filtered out. These words are frequent but carry no meaning.
- Frequency Counting - Each remaining word or phrase is counted. More occurrences = higher importance.
- Density Calculation - Each keyword's count is divided by total word count to get percentage density.
- Ranking - Keywords are sorted by frequency, highest first.
This frequency-based approach works well for most content analysis. For more sophisticated extraction (like identifying concepts rather than just frequent words), you'd need machine learning models, but those require server-side processing and can't guarantee privacy.
Tips for Better Keyword Extraction
Get more useful results with these techniques:
Clean Your Input First
Remove navigation menus, footers, ads, and other non-content text before pasting. These add noise to your keyword analysis.
Try Different N-Gram Sizes
Single words give you topics. Two-word phrases give you concepts. Three-word phrases give you specific long-tail keywords. Try all three to get a complete picture.
Compare Multiple Sources
Extract keywords from several articles on the same topic. Common keywords across all sources are probably essential. Unique keywords might be differentiators or niche opportunities.
Watch the Density
For SEO, 1-2% density for primary keywords is generally recommended. Over 3% might look like keyword stuffing to search engines.
Consider Context
High frequency doesn't always mean high importance. A word might appear often in examples or quotes without being central to the content. Always review the results with context in mind.
After extracting keywords, you might want to create content around them. Generate QR codes linking to your optimized content, or preview how your links will appear with our Open Graph Preview tool.
Frequently Asked Questions
Can I extract keywords from YouTube videos directly?
Not from the video content itself - that would require speech-to-text processing. However, you can copy and paste the video title, description, and channel about section to analyze those keywords. This is actually what most SEO tools analyze anyway.
How do I find YouTube channel keywords?
Go to any YouTube channel, click the "About" tab, and copy the description text. Paste it into this tool to extract keywords. You can also right-click on a channel page, view source, and search for "keywords" to find their meta tags.
What are 2-word and 3-word phrases good for?
Multi-word phrases capture concepts and long-tail keywords. "Content marketing" tells you more than "content" and "marketing" separately. Long-tail keywords often have less competition and higher conversion rates in SEO.
Is my text sent to any server?
No. All processing happens in your browser using JavaScript. Your text never leaves your device. You can verify this by disconnecting from the internet - the tool still works.
What is keyword density and why does it matter?
Keyword density is the percentage of total words that a specific keyword represents. For SEO, 1-2% is typically recommended. Too low and search engines might not associate your content with that keyword. Too high (3%+) and it might look like keyword stuffing.
How is this different from paid keyword tools?
Paid tools like Ahrefs or SEMrush provide search volume, competition, and ranking data from their databases. This tool extracts keywords from text you provide - it analyzes content, not search engine data. Both are useful for different purposes.
Can I analyze content in languages other than English?
Yes, but with limitations. The stop word filter is English-based, so common words in other languages won't be automatically filtered. The tool still counts and ranks words correctly - you might just see some common words in your results.
What's the maximum text length I can analyze?
There's no hard limit. The tool can handle book-length documents, though very long texts (100,000+ words) might take a moment to process depending on your device.
Why do some obvious keywords have low density?
Density is calculated against total word count. A keyword appearing 10 times in a 1,000-word article has 1% density, but the same 10 appearances in a 5,000-word article is only 0.2%. Longer content naturally has lower densities.
Can I export keywords to use in YouTube or other platforms?
Yes! Use the comma-separated format for YouTube tags, new line format for lists, or CSV format for spreadsheets. You can also download the results as a text file.
Start Extracting Keywords
This keyword extractor gives you instant insight into any text's most important terms. No sign-ups, no limits, no data collection. Just paste, click, and discover what keywords drive any piece of content.
Scroll back up, paste some text, and see the keywords emerge. Whether you're optimizing for SEO, researching competitors, or analyzing YouTube video keywords, this tool makes keyword research fast and private.
Found it useful? Bookmark this page for your next content analysis session. And if you know content creators who'd benefit from quick keyword extraction, share this tool with them.