About Randomize case
World's simplest browser-based utility for randomizing text case. Input your text and instantly transform it with random upper and lower case letters. Perfect for creating unique text effects, testing case sensitivity, or generating varied text patterns.
- Input
- Text or data in the format described by this tool. Keep the original input if you need to compare the transformation.
- Output
- The result is shown in the work area. Use the copy or download controls provided by this tool.
- Processing
- The current implementation computes this tool's results in your browser. No account is required.
- Limits and behavior
- The selected separators, units and options affect the result. Very large inputs can make the browser slow. This page describes the current implementation, not every possible input combination.
How to use Randomize case
- Paste or import your input, or enter values in the available fields.
- Choose settings and check the automatically updated result.
- Copy or download the result using the available controls.
Questions about Randomize case
What input does Randomize case accept?
Text or data in the format described by this tool. Keep the original input if you need to compare the transformation.
How do I save the result from Randomize case?
The result is shown in the work area. Use the copy or download controls provided by this tool.
What limitations should I know about?
The selected separators, units and options affect the result. Very large inputs can make the browser slow. This page describes the current implementation, not every possible input combination.
Where does processing happen?
The current implementation computes this tool's results in your browser. No account is required.
Implementation notes reviewed: 2026-10-25