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CharCount.dev

About CharCount.dev

The fast, private, Unicode-aware text analysis utility engineered for writers, SEO strategists, developers, and communicators.

Our Mission

Most online character counters in the SERPs today were built over a decade ago. They are encumbered by intrusive popups, slow third-party ad networks, and outdated counting logic that miscounts emojis, diacritics, and non-Latin scripts.

CharCount.dev was built to fix that. Our objective is simple: provide the cleanest, fastest, and most technically accurate character counting utility on the web—completely free, accessible without an account, and executed 100% locally in your browser.

Privacy by Architecture

Your text never leaves your device. Everything runs in client-side JavaScript memory. No server APIs, no databases, and no AI model training on your content.

Unicode & Grapheme Precision

We use standard Intl.Segmenter algorithms to analyze human-perceived grapheme clusters, preventing inaccurate counts for emoji sequences and combining diacritics.

Sub-50ms Performance

Built on lightweight Next.js with zero bloated UI libraries and native system typography. Typing remains fluid whether you enter 10 characters or 50,000 words.

Technical Counting Methodology

When analyzing digital text, different software environments calculate length according to varying definitions:

  • Grapheme Clusters (Visual Characters): This is the primary metric displayed on CharCount.dev. It reflects what a human reader sees as one character. Emojis like “👩🏽‍💻” count as 1 character despite containing multiple code points.
  • UTF-16 Code Units: JavaScript’s native string.length. Astral plane characters and emojis occupy 2 code units (surrogate pairs).
  • UTF-8 Bytes: The actual memory footprint of the string when transmitted or saved over the wire. ASCII letters take 1 byte; accented letters take 2 bytes; Indic, CJK, and Arabic take 2–3 bytes; emojis take 4 bytes each.

Feedback & Inquiries

Have a suggestion for a platform limit preset or a specific Unicode edge case? We welcome feedback. Reach out via our official website repository or email at team@charcount.dev.