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Upper Case Converter

Convert text to UPPER CASE instantly in your browser.

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What is UPPER CASE?

Uppercase conversion turns every letter in your text into its uppercase form (a→A, b→B). It is used for emphasis, headings, constants and normalizing text for case-insensitive comparison. This tool converts text to UPPER CASE instantly in your browser.

How to use

  1. Paste your text into the input box.
  2. The UPPER CASE result appears instantly.
  3. Click Copy to use it.

Examples

InputUPPER CASE
Hello WorldHELLO WORLD
converter web toolsCONVERTER WEB TOOLS
MixedCase123MIXEDCASE123

Common uses

  • Headings, labels and emphasis.
  • Normalizing codes and identifiers for comparison.
  • Formatting constants and abbreviations.

Frequently asked questions

Does it change numbers or symbols?
No. Only letters are converted; numbers and symbols are unchanged.
Is it Unicode-aware?
Yes. Accented and non-Latin letters are uppercased where an uppercase form exists.
How do I do the opposite?
Use the lower case converter.