Free Text Case Converter — Uppercase, Lowercase, camelCase, snake_case & More
Browse All Case Converters
What this converter does
Paste text, pick a format, done. Supports 12 case formats: the everyday ones (uppercase, lowercase, sentence case, title case) and the developer formats (camelCase, snake_case, kebab-case, PascalCase, dot.case, and more).
No character limit — works on a single word or an entire document. Includes character and word count, copy and download buttons, and undo.
How to use My Convert Case tool
Using the case conversion tool is straightforward and efficient. Whether you're adjusting a lengthy document or a quick note, the process only takes a few clicks.
- Paste or type the text you want to convert into the text area.
- Select the desired case format you wish to convert your text into.
- Copy or download your converted text.
Convert Uppercase to lowercase
An uppercase-to-lowercase converter provides an efficient solution for changing all letters in your text. This tool resolves issues created by accidentally leaving the caps lock on or reformatting someone else's text. You can quickly transform entire paragraphs into lowercase and more, enhancing the document's readability and maintaining a casual tone.
Why use a case converter
Caps lock left on, text pasted with ALL CAPS styling, or a document full of inconsistent capitalization — paste it in, pick the right format, and it's fixed in seconds. No find-and-replace, no manual editing.
Benefits of using the case converter
- Speed: Converts large blocks of text in seconds
- Supports various formats: uppercase, lowercase, title case, camelCase, snake_case, and more
- Hassle-free usage: Simple copy-paste interface with instant results
- Features include: Character counting, word counting, copy/download options, and undo functionality
- Enhances readability and professionalism in your writing
Types of Text Case
When dealing with text case, it's crucial to understand the different formats available, as each serves a distinct purpose in written communication and digital content.
lower case
Lower case converts all letters to small letters. It's useful for creating a relaxed, informal tone and is widely used in URLs, file names, and code. Try the lowercase converter →
UPPER CASE
UPPER CASE changes all letters to capital letters. It emphasizes key points, making headings or important phrases stand out. Try the uppercase converter →
Capitalized Case
Capitalized Case capitalizes the first letter of each word. This format enhances titles, making them visually appealing. Try the capitalize converter →
Title Case
Title Case focuses on capitalizing the first letter of only major words in a title — essential for academic papers, blog headings, and formal documents. Try the title case converter →
Sentence case
Sentence case capitalizes only the first word of a sentence. This style maintains a natural reading flow, widely used in everyday writing. Try the sentence case converter →
camelCase
camelCase capitalizes the first letter of each subsequent word without spaces — the standard for JavaScript variables and JSON keys. Try the camelCase converter →
snake_case
snake_case replaces spaces with underscores and uses all lower case letters — the standard in Python, Ruby, and SQL databases. Try the snake_case converter →
hyphen-case (kebab-case)
Hyphen-case connects words with hyphens — the standard for URL slugs, CSS class names, and HTML attributes. Google recommends hyphens over underscores in URLs for SEO. Try the hyphen-case converter →
PascalCase
PascalCase capitalizes the first letter of each word with no spaces — required for React component names and class names in most programming languages. Try the PascalCase converter →
dot.case
dot.case uses periods to separate words — commonly used in Java package names, logging frameworks, and configuration file property keys. Try the dot.case converter →