ASCII Tools
Randomize Ascii Case
Use Randomize Ascii Case to work with your content in a fast and reliable way. Paste or type your input, adjust the available options, preview the result instantly, and then copy or download the final output. This online utility is part of a broader collection of developer‑friendly tools designed for everyday workflows.
Updated 2025-12-01
Randomize ASCII Case
Random case transform
Randomly convert each letter to uppercase or lowercase.
0% (all lower)50%100% (all upper)
Non-alphabetic characters remain unchanged. Adjust the probability slider to bias toward uppercase or lowercase.