The Free Text Analysis
Toolkit for Serious Writers
Count sentences, words & characters. Analyze keyword density, reading time and more — all instant, private, and permanently free.
Trusted by 50,000+ writers, students, and SEO professionals every month.
9 Precision Text Tools
Every tool runs instantly in your browser. Your text never leaves your device — zero server uploads.
Sentence Counter
Count sentences with a readability heatmap, length distribution, and linguistic analysis.
Word Counter
Count words, characters, sentences and paragraphs in real time with density metrics.
Character Counter
Track character limits for Twitter/X (280), meta descriptions (155), SMS (160) and more.
Keyword Density
Analyze keyword frequency and density percentage to optimize content for search engines.
Reading Time Calculator
Estimate reading time (238 WPM) and speaking time (130 WPM) for blogs and speeches.
Paragraph Counter
Count paragraphs and analyze structure, content density, and reading level.
Line Counter
Count total, empty and non-empty lines. Handles up to 500,000 lines with no lag.
Text Case Converter
Convert to UPPERCASE, lowercase, Title Case, camelCase, PascalCase, snake_case and more.
Word Frequency Counter
Discover your most-used words with frequency distribution analysis and export support.
Why CountMySentences?
Built for professionals who care about precision, speed, and privacy.
Instant Analysis
All processing happens locally in your browser. No loading screens. Results appear as you type with sub-millisecond response.
100% Private
Your text never leaves your device. We collect zero data and have no analytics on your content. Your words are yours alone.
Permanently Free
No subscription. No freemium limits. No account required. Every tool is completely free and always will be.
Trusted by Wordsmiths
Used by writers, students, developers and SEO professionals worldwide.
"The only tool that doesn't feel like a toy. The precision CountMySentences offers for large-scale manuscript analysis is unprecedented."
"Integrating CountMySentences into our documentation workflow reduced word count bloat by 22% in the first quarter alone."
"Simple, fast, and stays out of the way. It's the digital equivalent of a high-quality fountain pen and a clean notepad."
Ready to analyze your text?
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