Character Counter & Text Analyzer
Sarah's Character Counter is a powerful text analysis tool that runs entirely in your browser — no data ever leaves your device. Count characters (with or without spaces), words, sentences, paragraphs, and unique words. Get estimated reading time, speaking time, syllable count, and Flesch readability score. Convert text between 10+ case formats including UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more. Set custom character limits for social media posts (Twitter, Instagram, Mastodon) with visual progress bar. Extract keyword density to optimize your content for SEO. Perfect for writers, students, marketers, and anyone who needs to analyze text quickly and privately. All processing is 100% client-side with zero tracking — your text never leaves your browser.