Convert Case
Enter your text and choose the formatting style you want to apply.
Type a text like 'Hello World' and convert it to UPPERCASE, lowercase, Capitalized, etc.
Character Count: 0 | Word Count: 0 | Sentence Count: 0 | Line Count: 0
Frequently Asked Questions
The tool offers seven conversion formats: Uppercase (ALL CAPS), Lowercase (all lowercase), Sentence case (Only the first letter of each sentence capitalized), Title Case (Every Major Word Capitalized), Capitalized Case (First Letter Of Every Word), Alternating Case (aLtErNaTiNg), and Inverse Case (flips the existing case of each letter). Each format is applied instantly as you click.
There is no strict character limit. The tool runs entirely in your browser and can handle long blocks of text without sending data to a server. For very large inputs (hundreds of thousands of characters), performance depends on your device's available memory, but typical documents and articles process instantly.
Yes. The converter handles Unicode text and works correctly with accented characters (é, ü, ñ, etc.), as well as languages that use diacritics. However, case conversion for non-Latin scripts (such as Arabic, Chinese, or Japanese) is not applicable since those writing systems do not have uppercase and lowercase distinctions.
Below the text area, the tool shows real-time counts for characters (total, including spaces), words, sentences, and lines. These counters update as you type or paste text, making the tool useful for writing tasks that have specific length requirements.
Title Case follows standard editorial rules and does not capitalize minor words such as 'a', 'an', 'the', 'and', 'but', 'or', 'in', 'on', 'at', etc. (unless they are the first word). Capitalized Case capitalizes the first letter of every single word without exception. Use Title Case for article headings and book titles; use Capitalized Case when you need every word capitalized regardless of grammar rules.