deftivo

Case Converter

UPPERCASE, lowercase, Title Case, Sentence case, camelCase, snake_case and more — all at once.

🔒 Processed on your device · no upload
  • UPPERCASE
  • lowercase
  • Title Case
  • Sentence case
  • camelCase
  • PascalCase
  • snake_case
  • kebab-case
  • CONSTANT_CASE

Typed a heading in capitals by accident? Need a title in Title Case, or variable names in camelCase or snake_case? Paste the text once and every format appears together.

Copy the one you need with a single click. Letters without case, such as Korean or numbers, are left as they are.

How to use

  1. Paste or type your text.
  2. Find the format you need in the list.
  3. Press Copy next to it.

Why use Deftivo

Nine formats

UPPERCASE, lowercase, Title Case, Sentence case, camelCase, PascalCase, snake_case, kebab-case and CONSTANT_CASE.

Smart Title Case

Short words like “and”, “of” and “the” stay lowercase unless they start the title.

For developers too

Splits existing camelCase or PascalCase into words before converting.

Frequently asked questions

What is the difference between Title Case and Sentence case?

Title Case capitalises most words (“The Quick Brown Fox”); Sentence case capitalises only the first word of each sentence (“The quick brown fox”).

What are camelCase and snake_case?

Naming styles used in programming: camelCase joins words with capitals (myFileName); snake_case joins them with underscores (my_file_name).

Is my text saved?

No. Conversion happens in your browser.

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