Word Counter, Codepoint & Grapheme Analyzer
Count words, characters, UTF-8 raw bytes, Unicode codepoints, and user-perceived extended grapheme clusters (UAX #29) with real-time script distribution and keyword density analysis.
Multilingual Script & Unicode Block Distribution
Top Word Frequency & Character Density
The Typographic Hierarchy: Characters, Code Units, Codepoints & Grapheme Clusters
In software development, counting the length of text is deceptively complex. What a human perceives as a single โcharacterโ on screen can correspond to multiple distinct entities inside computer memory:
๐ U+1F680) is stored, it requires two 16-bit surrogate halves (๐), causing "๐".length to return 2 instead of 1.U+1F680). However, complex emojis with Zero-Width Joiners (ZWJ) such as the family emoji ๐จโ๐ฉโ๐งโ๐ฆ comprise 5 distinct codepoints and 7 code units!Intl.Segmenter correctly calculates that ๐จโ๐ฉโ๐งโ๐ฆ is exactly 1 grapheme cluster.utf8mb4) and network HTTP payload packets.Real-World Platform Limits & Database Sizing
- โขTwitter / X (280 Characters): English letters count as 1 unit, while CJK (Chinese, Japanese, Korean) glyphs count as 2 units.
- โขSMS Telephony Messages: Standard GSM 7-bit alphabet allows 160 chars; inserting a single emoji drops the message limit to 70 UCS-2 characters.
- โขMySQL VARCHAR(255) vs Bytes: In UTF-8, 255 characters can consume up to 1,020 raw bytes on disk.
- โขSpeech & Reading Planning: Accurately rehearse conference talks and keynote speeches using standard 130 WPM metrics.
Frequently Asked Questions (FAQs)
Why does JavaScript say my emoji string has a length of 2 or 7?
JavaScript strings are indexed by 16-bit code units (UTF-16). Emojis above U+FFFF require two 16-bit surrogate halves, and multi-person emojis (like ๐จโ๐ฉโ๐งโ๐ฆ) contain multiple emoji codepoints glued by Zero-Width Joiners (ZWJ), totaling 7 code units.
What is a User-Perceived Grapheme Cluster (UAX #29)?
A grapheme cluster is what a human reader perceives as a single visual character on screen (such as "eฬ" or "๐จโ๐ฉโ๐งโ๐ฆ"), regardless of whether it is composed of 1, 2, or 5 underlying Unicode code points.
How are reading time and speaking time estimated?
Reading time is calculated using an average silent reading rate of 200 words per minute (WPM), while speaking time is calculated using an average keynote presentation speed of 130 words per minute.
How do Twitter/X and SMS character limits differ from standard counting?
Twitter/X counts standard English letters as 1 weight unit while counting CJK characters and complex emojis as 2 units. In SMS, standard GSM 7-bit allows 160 characters, but introducing a single Unicode emoji drops the segment size to 70 UCS-2 characters.
Is this word counter secure for proprietary essays and confidential text?
Yes, 100% of the statistical analysis, grapheme cluster segmentation, and byte calculations execute locally inside your browser memory. No text is ever uploaded or logged to a remote server.