Case Converter – Uppercase, Lowercase, Title & Sentence Case Free

Transform text between uppercase, lowercase, title case, sentence case, alternating case, and inverse case in one click.

What is this tool?

A Case Converter is a free online text-transformation tool that changes the letter casing of your text in a single click. It supports six modes: UPPERCASE (all caps), lowercase (all small), Title Case (every word capitalized), Sentence case (first letter of each sentence), aLtErNaTiNg CaSe, and iNVERSE cAsE. Developers, writers, and editors use it to fix capitalization errors, format headings, prepare data for coding, and apply consistent style across documents — all without manual editing.

How to use this tool?

1. Paste or type your text into the input area. 2. Click the case button you want: Uppercase, Lowercase, Title Case, Sentence Case, Alternating Case, or Inverse Case. 3. The converted text appears instantly in the output area. 4. Compare input and output side-by-side if needed. 5. Click Copy to copy the converted result to your clipboard. 6. Paste it directly into your document, email, or code editor.

Frequently Asked Questions

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