Text transformation, analysis, and generation utilities for writers, developers, and content creators. All free, browser-based, instant.
Convert text between UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case, and more.
Count words, characters, sentences, and paragraphs. Calculate reading time, keyword density, and readability score.
Generate cryptographically secure random passwords up to 128 characters with custom character sets.
Convert Markdown to clean HTML with live preview. Supports GitHub Flavored Markdown, tables, and task lists.
Text is the foundation of all digital communication. Whether you're a developer naming variables, a content writer polishing a blog post, or a marketing professional preparing copy, small text formatting errors create friction and undermine credibility. A heading in the wrong case, inconsistent variable naming conventions, or an inaccurate word count can mean the difference between polished work and an unprofessional result.
Browser-based text tools eliminate the need to open complex applications for simple transformations. Text case conversion, word counting, and reading time estimation are tasks that should take seconds — not the time required to open Microsoft Word or a code editor. DocsConverter's text tools process everything instantly in your browser without sending your text anywhere.
For developers specifically, consistent naming conventions are not just stylistic — they affect code readability, searchability, and team productivity. Converting between camelCase, snake_case, PascalCase, and kebab-case correctly ensures your code follows the conventions of your language and framework.
What is a text case converter?
A text case converter transforms text between different capitalisation styles — UPPERCASE, lowercase, Title Case, camelCase, snake_case, and more. It's useful for formatting variable names in code, correcting incorrectly cased text, or preparing content for different contexts.
What is keyword density?
Keyword density is the percentage of times a keyword appears in a text relative to the total word count. It's calculated as (keyword count / total word count) × 100. Our Word Analyzer shows keyword density for all words and phrases, helping you identify overused or underused terms.
How is reading time calculated?
Reading time is estimated based on an average adult reading speed of 200–250 words per minute. Our Word Analyzer uses 238 wpm as the baseline, which aligns with research on average silent reading speed for digital content.
What is camelCase and when is it used?
camelCase writes compound words without spaces, capitalising each word after the first (e.g., 'myVariableName'). It's the standard naming convention in JavaScript, Java, and many other programming languages for variables and functions.
What is snake_case?
snake_case uses underscores between words with all lowercase letters (e.g., 'my_variable_name'). It's the standard naming convention in Python, Ruby, and database column names.