Content SEO
Readability score engines, keyword density tables, text stats, tone checkers, and semantic stopword scrubbers.
Keyword Density & n-Gram Text Analyzer
Analyze single words, 2-word, and 3-word n-gram frequency, density percentages, word count, and reading time.
Readability & Grade Level Calculator
Calculate Flesch Reading Ease, Flesch-Kincaid Grade Level, Gunning Fog Index, Coleman-Liau, and SMOG scores.
SEO Stopword Stripper & Text Cleaner
Remove common English grammatical stopwords to clean text for NLP tokenization and URL slugs.
Title Case & Headline Capitalization Converter
Format headlines in AP Style, Chicago Manual of Style, Title Case, UPPERCASE, lowercase, and sentence case.
Word, Syllable & Reading Time Meter
Calculate word count, character count without spaces, syllables, reading time, and speaking time.
Flesch Reading Ease Formula Scorer
Professional, free client-side tool to calculate, validate, format, and optimize flesch reading ease formula scorer for search engines.
Flesch-Kincaid Grade Level Calculator
Professional, free client-side tool to calculate, validate, format, and optimize flesch-kincaid grade level calculator for search engines.
Gunning Fog Index Complex Word Analyzer
Professional, free client-side tool to calculate, validate, format, and optimize gunning fog index complex word analyzer for search engines.
Coleman-Liau Character Index Scorer
Professional, free client-side tool to calculate, validate, format, and optimize coleman-liau character index scorer for search engines.
SMOG Index Readability Meter
Professional, free client-side tool to calculate, validate, format, and optimize smog index readability meter for search engines.
Automated Readability Index (ARI) Calculator
Professional, free client-side tool to calculate, validate, format, and optimize automated readability index (ari) calculator for search engines.
Keyword Density Percentage Calculator
Professional, free client-side tool to calculate, validate, format, and optimize keyword density percentage calculator for search engines.
Single Word Frequency Counter
Professional, free client-side tool to calculate, validate, format, and optimize single word frequency counter for search engines.
Bi-Gram 2-Word Phrase Counter
Professional, free client-side tool to calculate, validate, format, and optimize bi-gram 2-word phrase counter for search engines.
Tri-Gram 3-Word Phrase Counter
Professional, free client-side tool to calculate, validate, format, and optimize tri-gram 3-word phrase counter for search engines.
English Stopword Removal Tool
Professional, free client-side tool to calculate, validate, format, and optimize english stopword removal tool for search engines.
Headline Capitalization Title Case Tool
Professional, free client-side tool to calculate, validate, format, and optimize headline capitalization title case tool for search engines.
Sentence Case Text Converter
Professional, free client-side tool to calculate, validate, format, and optimize sentence case text converter for search engines.
UPPERCASE Capitalizer
Professional, free client-side tool to calculate, validate, format, and optimize uppercase capitalizer for search engines.
lowercase String Sanitizer
Professional, free client-side tool to calculate, validate, format, and optimize lowercase string sanitizer for search engines.
Word & Character Counter (No Spaces)
Professional, free client-side tool to calculate, validate, format, and optimize word & character counter (no spaces) for search engines.
Average Sentence Length (ASL) Meter
Professional, free client-side tool to calculate, validate, format, and optimize average sentence length (asl) meter for search engines.
Average Syllables per Word (ASW) Calculator
Professional, free client-side tool to calculate, validate, format, and optimize average syllables per word (asw) calculator for search engines.
Complex Words Ratio (>3 Syllables)
Professional, free client-side tool to calculate, validate, format, and optimize complex words ratio (>3 syllables) for search engines.
Duplicate Paragraph Sentence Finder
Professional, free client-side tool to calculate, validate, format, and optimize duplicate paragraph sentence finder for search engines.
Passive Voice Sentence Detector
Professional, free client-side tool to calculate, validate, format, and optimize passive voice sentence detector for search engines.
Transition Words Density Analyzer
Professional, free client-side tool to calculate, validate, format, and optimize transition words density analyzer for search engines.
Paragraph Length & Skimmability Evaluator
Professional, free client-side tool to calculate, validate, format, and optimize paragraph length & skimmability evaluator for search engines.
Content Word Budget vs Competitors
Professional, free client-side tool to calculate, validate, format, and optimize content word budget vs competitors for search engines.
LSI Keyword Integration Checklist
Professional, free client-side tool to calculate, validate, format, and optimize lsi keyword integration checklist for search engines.
Editorial Proofreading Checklist
Professional, free client-side tool to calculate, validate, format, and optimize editorial proofreading checklist for search engines.
Target Keyword First 100 Words Checker
Professional, free client-side tool to calculate, validate, format, and optimize target keyword first 100 words checker for search engines.
Article Reading Time Estimator (WPM)
Professional, free client-side tool to calculate, validate, format, and optimize article reading time estimator (wpm) for search engines.