Text Case Converter
Convert text between UPPERCASE, lowercase, Title Case, Sentence case and more — instantly as you type.
About the Text Case Converter
A text case converter changes the capitalisation of your text — turning it all UPPERCASE, all lowercase, Title Case, Sentence case, and other styles — without you retyping a word. Paste or type your text, choose a case, and the converted version appears instantly, ready to copy.
This is a small task that crops up constantly: fixing text that arrived in the wrong case, formatting a heading to Title Case, lowering shouty all-caps, or capitalising the first letter of every sentence. Doing it by hand is tedious and error-prone, especially for long passages; a converter applies the rule consistently across the whole text in one click.
Everything runs in your browser, so your text is never uploaded or stored, and conversion is instant. Use it for headlines, code, data tidying, social posts, or any time text needs to be in a different case than it arrived in.
Looking for more options? Open the full Case Converter — it’s the same tool with every feature.
Frequently Asked Questions
How do I change the case of text?
Paste or type your text and select the case you want — UPPERCASE, lowercase, Title Case, Sentence case and others. The converted text appears instantly for you to copy. It is applied consistently across the whole passage in one step.
What is the difference between Title Case and Sentence case?
Title Case capitalises the first letter of each major word (ideal for headings and titles), while Sentence case capitalises only the first letter of the sentence (and proper nouns), like normal prose. The converter offers both so you can match the style you need.
Is my text uploaded?
No. Case conversion happens entirely in your browser, so your text is never sent to a server or stored. You can convert private or sensitive text with no privacy concern.
Understanding Text Case
The common text cases
UPPERCASE makes every letter capital, useful for emphasis or labels. lowercase makes every letter small. Title Case capitalises major words for headings. Sentence case capitalises just the start of each sentence, like ordinary writing. Each suits different contexts, and switching between them by hand is exactly the repetitive work a converter removes.
Why case matters
Case affects readability and tone: ALL CAPS can read as shouting and is harder to scan in long passages, while consistent Title Case looks polished in headings. In data and code, case can even change meaning or matching. Converting to the right case keeps text clear, professional and consistent with its purpose.
Practical uses
Case conversion helps when reformatting headings, cleaning up text pasted from elsewhere, toning down all-caps messages, preparing consistent labels or data, and tidying social media or marketing copy. Because it applies the rule uniformly, it is faster and more reliable than editing capitalisation manually, especially across large blocks of text.