Case Converter
Drop any phrase into the Text box and watch three transforms appear together—lower, UPPER, and Title. Edits update immediately, so you can tweak wording and copy the casing style you need.
Updated 2026-08-03 · text
About this tool
The converter keeps a multiline Text area and derives three strings on every change. lower uses toLowerCase, UPPER uses toUpperCase, and Title capitalizes the first letter of each word-like segment while lowercasing the rest. All three lines show in one result block for quick comparison.
How to use
- Open the text area: Focus the Text field (sample default is Hello World Example).
- Paste or type content: Enter the sentence or label whose casing you want to transform.
- Compare the three outputs: Read lower, UPPER, and Title lines in the live result block.
- Copy the style you need: Select the matching line and paste it into your draft or UI copy.
Common use cases
- Normalize headings before pasting into a document or slide deck.
- Switch a slogan between shouty UPPERCASE and quiet lowercase for mockups.
- Produce Title Case labels for menus, buttons, or catalog names.
Tips
- Title Case follows word boundaries in the text—punctuation may affect where capitals land.
- Copy only the line you need; the result shows lower, UPPER, and Title together.
FAQ
Do I need a Convert button?
No. All three casings refresh automatically whenever the Text field changes.
How is Title Case defined here?
Each word-like match gets its first character uppercased and the remainder lowercased.
Are non-Latin scripts forced to English casing rules?
The tool uses the browser’s toLowerCase and toUpperCase on whatever characters you enter.
Can I convert only part of a paragraph?
Paste just the fragment you care about; the three outputs always cover the full Text box contents.