ConvertCase.co

Upper Case Converter

Converts text to UPPER CASE. All characters are capitalized.

Characters: 0Words: 0Sentences: 0Lines: 0Paragraphs: 0

What Is Upper Case?

Upper case, also known as all caps, converts every letter of your text into capital letters. It’s commonly used to grab attention, add emphasis, or highlight headings and titles. Upper case formatting is a quick way to make your message stand out.

Input:
Please read the instructions carefully.

Output:
PLEASE READ THE INSTRUCTIONS CAREFULLY.

When Should You Use Upper Case?

  • ✔️ For titles, banners, and headlines
  • ✔️ To emphasize important warnings or notes
  • ✔️ When formatting acronyms or abbreviations (e.g., NASA, HTML)
  • ✔️ For product labels, tags, or section headers

Why Use This Tool?

  • ✔️ Instantly capitalizes entire text without retyping
  • ✔️ Helps maintain formatting consistency across content
  • ✔️ Useful for content creators, designers, and marketers
  • ✔️ No installation or signup required — works right in your browser

How Is It Different from Capitalized Case?

Upper Case capitalizes every letter, while Capitalized Case only capitalizes the first letter of each word:

Upper Case: THIS IS AN EXAMPLE
Capitalized Case: This Is An Example

Pro Tip 💡

Avoid using all caps for long paragraphs — it can come across as shouting and may reduce readability. Stick to headlines, labels, or short phrases.

How to Use Case Converter

Easily convert your text into various case formats, including UPPER CASE, lower case, Sentence case, and more with ConvertCase.co.

  1. Start typing or paste your text into the provided text area.
  2. Use the Open file button if you want to load text directly from a file.
  3. Select the desired case format (e.g., Sentence case, UPPER CASE, camelCase) from the available options.
  4. Your text will automatically convert to the chosen case format.
  5. Click the Copy button to copy the formatted text to your clipboard.
  6. Click Download to save your converted text as a file.
  7. Use the Clear button to reset the text area and start over.

Why Choose ConvertCase.co?

Whether you're writing blog posts, coding, formatting documents, or just need quick text transformations, ConvertCase.co offers a powerful, all-in-one toolkit designed to save you time and effort.

Key Features:
  • 15+ Case Converters – Instantly switch between Sentence Case, UPPER CASE, camelCase, snake_case, PascalCase, Hashtag Case, and more.
  • Fast and Lightweight – Everything runs in your browser with no lag, loading bars, or page refreshes.
  • Easy Text Input – Type directly, paste from clipboard, or upload supported file types like .txt, .md, or .json.
  • Quick Export Options – Copy to clipboard or download your edited text instantly as a file.
  • User-Friendly UI – Clean, minimal interface designed for writers, developers, students, teachers, and everyday users alike.
  • 100% Free to Use – No registration, subscriptions, or limits — just open and use.
  • Dark Mode Friendly – Enjoy a comfortable reading experience whether you’re working day or night.