Case Flip Lab

Convert text to UPPERCASE, lowercase, or Capitalized words.

Case Flip Lab is a fast text-case converter for writers, students, and editors. Paste or type text into the popup, then choose one conversion mode: UPPER — all characters uppercase lower — all characters lowercase Capitalized — first letter of each word uppercase You can also swap the input and output fields to keep editing quickly. How to use: Click the extension icon. Enter text in the Input box. Press UPPER, lower, or Capitalized. Copy the result from the Output box, or use Swap in ↔ out to continue editing. This extension has one focused purpose: changing text letter case. It does not modify web pages automatically, access form fields on sites, or send your text to any server.