Keyword Density Checker
Keyword density checker: count occurrences, density and frequency per 100 words for keywords with SEO tips, one-click copy, offline and multilingual.
วิธีใช้งาน
Paste text and enter keywords (comma separated); stats update live.
Overview
Keyword Density Checker is a text tool that Keyword density checker: count occurrences, density and frequency per 100 words for keywords with SEO tips, one-click copy, offline and multilingual. It runs 100% in your browser with no upload, so you get instant results with privacy. Whether you need a quick answer or batch processing with precise control, you can enter, validate and export in seconds. The UI is responsive on mobile, tablet and desktop and supports one-click copy.
Use cases
- Batch process CSV columns
- Format JSON/HTML snippets
- Clean duplicates and whitespace
- Count words/chars and reading time
- Use it to cross-check “关键词密度、SEO” in reports, docs or APIs to avoid manual conversion errors
How to use
- 1 Paste text
- 2 Choose cleaning actions (dedupe, trim, case)
- 3 Preview diff with line numbers
- 4 Copy or download
Highlights
- Local & private: processing stays in your browser
- Live validation with tolerant parsing
- One-click copy and export for docs, code or sheets
- Batch and offline support under poor network
Notes
- Split very long texts
- Word vs char counts differ
- Dedupe is case-sensitive by default
FAQ
Preserve formatting?
Regex supported?
How is Keyword Density Checker different?
Can I use results in official reports?
All calculations run locally in your browser; nothing is uploaded.