Online Text to Uppercase Converter

Online text to uppercase converter.

Case Conversion Modes

lowercase

Converts all letters in the text to lowercase (small letters). This is the most commonly used mode for text unification.

Example:

  • Before: "Hello, World! This IS a TEST Converter."
  • After: "hello, world! this is a test converter."

UPPERCASE

Converts all letters to uppercase (capital letters). Used for text emphasis or creating headers.

Example:

  • Before: "Hello, World! This is a test converter."
  • After: "HELLO, WORLD! THIS IS A TEST CONVERTER."

Proper Case

Capitalizes the first letter of each word. Suitable for formatting titles, book names, and articles.

Example:

  • Before: "hello, world! this is a test converter."
  • After: "Hello, World! This Is A Test Converter."

Sentence case

Capitalizes only the first letter of the first word in each sentence, with all other letters becoming lowercase. This is the standard text formatting.

Example:

  • Before: "hello, WORLD! this IS a TEST converter."
  • After: "Hello, world! This is a test converter."

iNVERSE cASE

Reverses the case of each letter: uppercase becomes lowercase, lowercase becomes uppercase.

Example:

  • Before: "Hello, World! This IS a TEST converter."
  • After: "hELLO, wORLD! tHIS is A test CONVERTER."

rAnDoM CasE

Randomly makes letters uppercase or lowercase. Can be used to create a creative or ironic effect.

Example:

  • Before: "Hello, World! This is a test converter."
  • After: "hElLo, WoRlD! tHiS Is a TeSt CoNvErTeR."

What the Case Converter Is Used For

The online text case converter is a useful tool for solving various tasks:

  • Fixing typing errors - when Caps Lock is accidentally enabled or the wrong case is used
  • Text formatting - quickly bringing text to the required style for documents, articles, and posts
  • SEO optimization - creating headers and meta tags in the correct case
  • Programming - converting variables, constants, and identifiers
  • Data management - standardizing records in databases and tables
  • Design and layout - preparing text for graphic materials
  • Social media and messengers - formatting posts and messages

Technical Requirements

The tool requires JavaScript to be enabled in your browser. All text processing occurs locally on your device - no data is sent to the server, which ensures security and privacy. The tool works in all modern browsers without installing additional software.

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