Calculate Gunning Fog readability grade score ($0.4 \times [ASL + P_{complex}]$).
Execution runs 100% locally inside the browser sandbox using HTML5 Canvas, Web Cryptography Subtle API, and Web Workers. Zero egress.
Zero network latency. Operates completely offline with zero dependencies on third-party backend servers or cloud services.
Built according to official RFC specifications, cryptographic test vectors, and enterprise-grade data transformation standards.
Output = Process(Input_Buffer, Options)Input_BufferOptionsOutput“Running a standard operation in Gunning Fog Index (Complex Word & Syllable) Readability Calculator.”
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Transforms the input data according to configured options.
The operation succeeded with zero server round-trips.
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Gunning Fog Index (Complex Word & Syllable) Readability Calculator runs entirely inside your web browser sandbox using modern client-side APIs. No user data, files, or inputs are sent to remote servers.
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Zero-egress companion tools in the Text Utilities suite
Calculate Gunning Fog readability grade ($0.4 \times [\frac{\text{words}}{\text{sentences}} + 100 \times \frac{\text{complex words}}{\text{words}}] $).
Calculate the Gunning Fog index to evaluate writing clarity and formal education grade level
Calculate SMOG reading grade level based on polysyllabic word counts.
Live statistics: words, characters, sentences, paragraphs, and reading time.