Why use our Uppercase Converter?
Whether you need to capitalize text for a headline, transform a lowercase to uppercase string for coding, or format a document, our online uppercase converter makes it instant. We help you fix accidental Caps Lock errors and ensure your writing is grammatically correct.
- Uppercase Online: Convert all letters to capitals instantly.
- Lowercase to Uppercase: Fix text written in all small letters.
- Capital Letter Converter: Perfect for capitalizing names and places.
- Text Case Converter: Supports Title Case, Sentence case, and more.
How to Convert to Uppercase?
Paste your text into the box above. You can type directly or paste from a document.
Select your desired mode. Use UPPERCASE for headers, or Capitalize Text for titles.
Your text converts instantly. Click the "Copy" icon or "Download" to save your result.
Case Types Explained
- UPPERCASE / ALL CAPS
- All letters are converted to their capital form. Often used for emphasis, warnings, or acronyms. Example: UPPERCASE CONVERTER
- Lowercase
- All letters are converted to their small form. Useful for fixing text where Caps Lock was accidentally left on. Example: uppercase converter
- Sentence Case
- Only the first letter of the first word in a sentence (and proper nouns) is capitalized. This is standard for most written English content. Example: The quick brown fox jumps over the lazy dog.
- Title Case
- The first letter of every major word is capitalized. Commonly used for book titles, headlines, and movie names. Example: The Quick Brown Fox Jumps Over the Lazy Dog
- Alternating Case
- Letters alternate between upper and lower case. Frequently used in memes or "texting in capital letters" for mockery. Example: tHe qUiCk bRoWn fOx.
Who needs a Text Case Converter?
Developers & Coders
Need to convert string in upper case online? Or format database entries to a consistent standard? Use this tool to clean your JSON or CSV data.
Writers & Editors
Writing a blog post? Use our Title Case mode to ensure your headers look professional. Fix accidental caps lock errors without rewriting.
Social Media
Want to stand out? Use Alternating Case for meme text, or make into letters caps generator to grab attention in tweets and posts.
Frequently Asked Questions
How do I convert lowercase text to uppercase?
Simply paste your text into the input box on UppercaseConverter.online and click the 'UPPERCASE' button. Your text will instantly be transformed into capital letters.
Is this Capital Letter Converter free to use?
Yes, this tool is 100% free with no limits on usage. You can convert as many characters as you like without registration.
Can I convert text from Excel or Word?
Absolutely. You can copy text from any application, including Microsoft Word, Excel, or PDF documents, paste it here to change the case, and copy it back.
What is Title Case used for?
Title Case capitalizes the first letter of every major word. It is commonly used for headlines, blog post titles, and book names.