Discover Init Keyword Extractor 2.0 – an AI-powered online tool that extracts high-quality keyword phrases from article titles. Supports both English and Vietnamese, allows flexible n-gram length selection, and intelligently removes stop words. Fast, lightweight, accurate, and runs entirely in your browser.
Introduction
Init Keyword Extractor 2.0 applies the BM25 + NPMI + LLR algorithm (AI-powered) to score and extract multi-word keyword phrases from a list of titles. No plugins, no server required – simply paste your titles, and all processing happens directly in the browser.
This tool is especially useful for:
- SEO specialists analyzing important keyword phrases
- Content creators looking for new title ideas
- Developers who need to filter keywords from input data
Main Features
- AI-powered scoring: combines BM25 + NPMI + LLR for meaningful keyword extraction, not just frequency counts
- Flexible n-grams: extract 2-word, 3-word, 4-word, 5-word phrases… or combine multiple lengths
- Bilingual support: automatically detects English/Vietnamese via the page
lang - Smart stop words: built-in stop word list with custom input support
- Stable results: no randomization – the same input always produces consistent ranked output
- 100% client-side: runs securely in your browser, ensuring speed and privacy
How to Use
- Paste all your article titles into the input box (one title per line)
- Select the n-gram length you want to extract (2 words, 3 words, 4 words...)
- Add any additional stop words you want to exclude (comma-separated)
- Click “Extract Keywords”
The results will be displayed instantly below, along with a score. You can copy them for SEO analysis, content creation, or keyword research.
Optimized for Performance and SEO
Unlike version 1.0, Init Keyword Extractor 2.0 doesn’t just rely on frequency counts – it applies AI-powered scoring (BM25 + NPMI + LLR) to select truly significant phrases. The output is optimized for diversity but remains consistent across runs, avoiding random shuffling.
The system automatically detects language and shows proper stop words, placeholders, and messages based on the page’s lang="vi" or lang="en".
Why Choose Init Keyword Extractor 2.0?
Most other keyword tools:
- Don’t support Vietnamese or fail with accented characters
- Only rank keywords by frequency, ignoring semantic importance
- Require sending data to a server or installing software
In contrast, Init Keyword Extractor 2.0 runs instantly in any browser. It’s lightning fast, private, and requires no external services. This tool also lays the foundation for future features like: content clustering, automatic tag generation, and smart title suggestions.