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Word Counter & Readability Studio

Measure word/character/sentence counts, reading & speaking times, 5 readability indices (Flesch, FK Grade, Gunning Fog, SMOG, Coleman-Liau), 1–3 word n-grams, and social character limits.

100% Local Browser Engine · Zero Uploads2 Workspaces

Word Metrics, N-Grams & Social Budgets: Count words, Unicode graphemes, UTF-8 bytes, reading/speaking durations, 1–3 word keyword density N-grams, and social post character caps.

Words
0
Characters
0
No Spaces
0
Sentences
0
Read Time
0 sec
Speak Time
0 sec
Text Input
0 paragraphs · 0 UTF-8 bytes
Readability & Channel Limits

Enter at least 5 words to compute readability indices.

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What is Word Counter & Readability Studio?

Text Analytics & Readability Studio measures words, Unicode graphemes, UTF-8 bytes, reading/speaking durations, 1–3 word N-gram keyword density, social platform character budgets, and 5 established readability indices (Flesch, Gunning Fog, Flesch-Kincaid Grade, SMOG, Coleman-Liau, and ARI).

How to use Word Counter & Readability Studio in 3 steps
  1. 1

    Paste draft copy or documentation

    Metrics update live on every keystroke.

  2. 2

    Switch between Word/N-Gram Metrics and 5-Formula Readability

    Check phrase repetition, lexical diversity (TTR), and grade-level complexity.

  3. 3

    Tighten prose before publishing

    Verify X, LinkedIn, YouTube, and Google SERP length caps.

Key features and benefits
  • Counts real Unicode graphemes via Intl.Segmenter so emojis and accented scripts are measured accurately.
  • Compares syllable-based (FK, SMOG) and character-based (Coleman-Liau, ARI) readability formulas side by side.
Common use cases

Editing blog posts, UX microcopy, and technical docs for clarity.

Checking keyword stuffing with 2-word and 3-word N-gram frequency tables.

Why browser-based works better

Word Counter & Readability Studio consolidates related text, diff & markdown studios workflows into one cohesive, multi-mode browser studio — eliminating tab-hopping across fragmented single-purpose tools.

Every mode executes locally using Web APIs and audited client-side libraries, so private files, tokens, and source code never leave your device.

Word Counter & Readability Studio FAQs

Quick answers about the workflow, privacy, and where this tool fits in a broader job.

What grade level works best for general web documentation?

Aiming for Grade 7–10 across Flesch-Kincaid and Coleman-Liau keeps technical explanations brisk and scannable.

Keep the workflow moving with nearby tools that solve the next likely step.

Built and maintained by

Free AI Tools Engineering Team

Browser Tooling & Web Platform Engineering

Last updated:

Tested in Chrome, Firefox, and Safari on desktop and mobile.

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