Word Counter & Text Analyzer
Calculate word counts, character counts, sentences, lines, and unique keywords. Clean text, format cases, sort, and reverse strings with total local privacy.
What is a Word Counter & Character Analyzer?
Overview and core technical concepts
A Word Counter is a text analysis utility that measures words, character counts (with & without spaces), sentence counts, paragraph breakdown, estimated reading time, and keyword density frequency.
Why Analyze Word Counts?
Key advantages, developer speedups, and security benefits
Meet Social Media & SEO Boundaries
Keep Twitter posts under 280 chars, Google Meta Titles under 60 chars, and essays within target assignment bounds.
Improve Article Readability
Monitor average sentence lengths and keyword densities to avoid keyword stuffing.
When Shouldn't You Rely on Word Counters?
Anti-patterns, limitations, and when to choose an alternative approach
Word counters treat code syntax as plain text. For code comparison, use Diff Checker.
Text Metrics Example
Sample inputs, expected outputs, and code patterns
Sample Reading Time Metric
Words: 450 | Chars: 2,890 | Reading Time: ~2 mins (based on 225 wpm)Common Word Count Mistakes
Frequent errors, security risks, and how to fix them
Frequently Asked Questions
No. ToolZeno processes all character counting, text parsing, and keyword frequency checks 100% locally in your web browser. Your text never leaves your device and is never sent to our backend or external servers, ensuring absolute privacy.
Lexical Diversity is the percentage of unique words relative to the total number of words in your text (Unique Words / Total Words * 100). A higher percentage indicates a richer, more varied vocabulary, which is useful for optimizing essay quality or speech readability.
Reading time is calculated using an average silent reading speed of 225 words per minute. Speaking time is calculated using a moderate public speaking speed of 140 words per minute. Actual times may vary depending on context and audience.
Our editor supports loading plain text files (.txt) and markdown documents (.md). You can drag and drop these files directly into the editor screen or upload them manually. The maximum file size limit is 10MB.
Yes, our Word Counter uses modern Unicode-compatible regex engine configurations to accurately tokenize characters and words in non-Latin scripts, including Cyrillic, Kanji, Arabic, and accents for Spanish or French.
Related Tools
Regex Tester
Test regular expressions with real-time highlight matches, capture groups, and replacement tools.
Character Counter
Count characters (with & without spaces), letters, digits, symbols, words, and sentences in real-time. Analyze uppercase/lowercase split, emojis, and reading times client-side.
Case Converter
Convert text instantly between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, and other formats client-side.
Reverse Text
Reverse text characters, words, sentences, or lines instantly. Free, secure, client-side online backwards text generator with emoji and RTL compatibility.