Writing & Readability Analysis
Algorithmic writing evaluation providing Flesch-Kincaid, Gunning Fog, syllable counts, passive voice detection, and filler word flags. Every tool operates with zero server uploads, delivering immediate results right in your browser.
All Writing & Readability Analysis (19)
Readability Checker
Calculate Flesch Reading Ease, Flesch-Kincaid Grade, Gunning Fog, and readability metrics.
Flesch Reading Ease Calculator
Calculate official Flesch Reading Ease score (0 to 100) indicating difficulty of comprehension.
Flesch-Kincaid Grade Level
Determine the United States school grade level needed to understand your text.
Gunning Fog Index Calculator
Estimate years of formal education required to read text on first reading.
Coleman-Liau Index
Character-based readability score relying on characters per word and sentences per 100 words.
SMOG Readability Index
Simple Measure of Gobbledygook (SMOG) readability formula for healthcare and technical texts.
Automated Readability Index (ARI)
Evaluate grade level comprehension based on characters per word and words per sentence.
Dale-Chall Readability Calculator
Estimate readability grade level using unfamiliar word percentages.
Syllable Counter
Count total syllables in words and compute syllables-per-word metrics.
Complex Word Detector
Detect polysyllabic words (3+ syllables) that may hinder reader comprehension.
Long Sentence Detector
Highlight runaway sentences exceeding 25 words that fatigue the reader.
Short Sentence Detector
Detect choppy fragments and short sentences (< 8 words) for rhythm balance.
Passive Voice Detector
Identify passive voice constructions (e.g. "was created by") to encourage active verbs.
Filler Word Detector
Flag clutter words like "basically", "actually", "very", and "literally".
Weak Word Detector
Highlight vague descriptors like "stuff", "things", "good", and "nice".
Cliché Detector
Detect tired idioms and overused tropes like "think outside the box" and "low hanging fruit".
Redundancy Finder
Highlight redundant tautologies such as "future plans", "past history", and "true facts".
Adverb Finder
Flag -ly adverbs to help you replace weak verb-adverb pairs with strong verbs.
Tone Statistics
Measure emotional punctuation distribution (questions vs. exclamations) and pronouns.