Text Analysis Calculators — Language
Readability and text statistics: Flesch-Kincaid grade level, Gunning Fog index, SMOG index, and character, word, sentence, paragraph and syllable counts. The three readability indices weight sentence length and word complexity differently, so quote which one you used.
All Text Analysis Calculators
Count characters, words, sentences, and paragraphs in any text with and without spaces.
Calculate the Flesch-Kincaid grade level and reading ease score for any text.
Calculate the Gunning Fog Index to estimate text readability by education level.
Count paragraphs and calculate average paragraph length in words.
Count sentences and calculate average sentence length in any text.
Calculate the SMOG readability index based on polysyllabic word count.
Count the number of syllables in a word or passage of text.
Count unique words and calculate vocabulary richness (type-token ratio) in text.
Calculate salary counter-offers based on market data
Count words, characters, sentences
Convert text between cases
Compare two texts and find differences
Transform and manipulate text
Convert text to speech
Encode and decode HTML entities
About Text Analysis Calculators
Readability and text statistics: Flesch-Kincaid grade level, Gunning Fog index, SMOG index, and character, word, sentence, paragraph and syllable counts. The three readability indices weight sentence length and word complexity differently, so quote which one you used.
Whether you need to solve a one-time problem or verify your own calculations, these free tools cover the most common text analysis scenarios. All results are computed in your browser — no data is sent to any server.
What You Can Calculate
This section includes 15 tools: Character Counter, Flesch Kincaid Grade Level Calculator, Gunning Fog Index Calculator, Paragraph Counter, Sentence Counter, Smog Index Calculator, Syllable Counter, Unique Word Counter, and 7 more. Each calculator is free to use with no signup required.