Keyword Extractor
Extract keywords and key phrases from any text using the TF-IDF algorithm
Enter or Paste Text
Extracted Keywords
No keywords found. Try entering more text or adjusting the settings.
Usage Examples
Article SEO
Extract top keywords from your blog post or article to optimize your SEO strategy and meta tags.
Content Research
Analyze competitor content to discover the main topics and phrases they focus on.
Text Summarization
Quickly understand the key themes of a long document by extracting its most important keywords.
Features
TF-IDF Algorithm
Uses Term Frequency-Inverse Document Frequency to rank the most relevant keywords in your text
Stop Word Filtering
Automatically removes common words (the, a, is...) in multiple languages so real keywords stand out
Bigram Support
Optionally extract 2-word key phrases like "machine learning" or "social media" for richer analysis
CSV Export
Download keyword results as a CSV file with keyword, frequency and score columns
How to Use?
Paste Your Text
Type or paste any text — an article, essay, web page content — into the input area.
Adjust Settings
Set minimum word length, maximum number of keywords, and toggle stop word filtering or bigrams.
Extract & Export
Click Extract Keywords to see results sorted by TF-IDF score. Copy the list or export as CSV.
Frequently Asked Questions
What is Keyword Extractor?
Keyword Extractor is a free browser-based tool that uses the TF-IDF (Term Frequency-Inverse Document Frequency) algorithm to identify the most significant words and phrases in any piece of text. Simply paste your content and get a ranked list of keywords with frequency counts and relevance scores instantly — no registration, no server uploads.
Why Extract Keywords?
Keyword extraction helps you understand what a text is really about. For SEO professionals it reveals the terms to target in meta tags and headings. For content writers it highlights topics worth expanding. For researchers it provides a fast way to summarise long documents. The TF-IDF scoring ensures common filler words are downweighted so the genuinely important terms rise to the top.