Keyword Extraction

Extract high-frequency keywords and phrases from article content.

Features

• TF word frequency analysis
• Smart stop word filtering
• Adjustable minimum frequency
• Display word frequency statistics

Use Cases

• SEO keyword research
• Content analysis
• Topic extraction
• Document summary

How to Use

1. Enter article content in the left input box
2. Adjust keyword parameters in settings
3. Click "Extract Keywords" button
4. View extracted keyword list (with frequency) on the right
5. Click single to copy or "Copy All Keywords"

Parameters

• Number of keywords: Extract 3-30 keywords
• Min frequency: Only words with frequency >= this value will be extracted
• Exclude pure numbers: Filter pure number words
• Exclude short words: Filter words with less than 3 characters

Notes

• Auto-filters common stop words (Chinese and English)
• Supports mixed Chinese and English content
• Frequency display helps judge importance
• Recommend setting appropriate minimum frequency threshold