CaseConverter Professional Tool

Convert Upper Case to Lower Case Online

Instantly change text case with our smart conversion tool.

0 words | 0 chars

How to Convert Upper Case to Lower Case?

Accidentally left the Caps Lock on? Don't retype everything. Our Case Converter allows you to switch text case instantly. Just paste your text, and choose the format you need.

  • Sentence case: Capitalizes only the first letter of each sentence (Standard English).
  • lowercase: Converts all letters to lower case (useful for email addresses).
  • UPPERCASE: Converts all letters to capitals (useful for headers).
  • Title Case: Capitalizes the first letter of every word.

Why Use This Case Transformer?

Fix Accidental Caps Lock

Did you write a whole paragraph with Caps Lock on? Convert it back to normal sentence case in one click.

Clean Up Excel Data

Often used to fix names in Excel/Sheets that are all uppercase (e.g., "JOHN DOE" to "John Doe").

Social Media Formats

Use the aLtErNaTiNg cAsE generator for fun captions on Instagram, TikTok, or Twitter.