Text Analysis Tools

Count words, characters, and sentences. Find, replace, and extract patterns. Analyze frequency and keyword density. All free, all instant, no signup required.

Counting & Measuring

Count words, characters, sentences, lines, syllables, and more. Estimate reading time and page count for any body of text.

Frequency & Density Analysis

Analyze word and letter frequency, calculate keyword density, and generate n-grams for SEO and NLP tasks.

Find, Replace & Regex

Search and replace text, test regular expressions, highlight matches, and censor patterns across large bodies of text.

Extract & Parse

Pull emails, URLs, numbers, and hashtags out of unstructured text in one click.

Browse Tools By Category

What Are Text Analysis Tools?

Text analysis tools help you measure, understand, and extract structured information from unstructured text. Whether you need to check a document against a word limit, find the most repeated keywords in an article, test a regex pattern, or pull all email addresses from a data export — these tools handle it instantly in your browser with no software to install.

Choosing the Right Tool

For writers and editors

The Word Counter and Character Counter are essential for checking against submission limits on platforms like Twitter, LinkedIn, or academic journals. The Reading Time Calculator estimates how long your content takes to read — useful for blog posts, newsletters, and landing pages. Sentence Counter and Paragraph Counter help with structural editing and readability checks.

For SEO and content marketers

The Keyword Density Analyzer shows how often a keyword appears relative to total word count — a key on-page SEO signal. The Word Frequency Analyzer surfaces the most-used terms in any text, helping you identify overused words or verify topic relevance. The N-gram Generator produces bigrams and trigrams useful for phrase-level keyword research.

For developers and QA engineers

The Regex Tester lets you validate and debug regular expressions against live input with instant match highlighting. Pair it with the Find and Replace with Regex tool to apply bulk substitutions. The Regex Extract tool pulls out specific matches and formats them as a clean list — handy for data wrangling and log parsing. The Byte Counter is useful when working with field length constraints in databases or APIs.

For data cleaning and scraping

Use Extract Email Addresses or Extract URLs from Text to pull structured data out of messy documents or HTML dumps. Extract Numbers from Text is useful for isolating numeric values from reports or scraped content. Extract Hashtags helps social media managers audit content at scale.

All Text Analysis Tools at a Glance

Here is a quick reference for every tool in this category:

Tool
Word Counter
Character Counter
Sentence Counter
Paragraph Counter
Line Counter
Letter Counter
Syllable Counter
Byte Counter
Symbol Counter
Reading Time Calculator
Page Count Estimator
Word Frequency Analyzer
Letter Frequency Analyzer
N-gram Generator
Keyword Density Analyzer
Find and Replace
Find & Replace with Regex
Regex Tester
Regex Extract
Highlight Matches
Censor Patterns
Extract Email Addresses
Extract URLs
Extract Numbers
Extract Hashtags