Secure random generator
This tool fills bytes with `crypto.getRandomValues` and encodes them in the selected representation. The complete operation runs in temporary browser memory, so the input is never uploaded or stored by LocalKit.
The input stays available if you need to adjust a setting.
How to use secure random generator
- 1
Add the source values or files shown in the workbench.
- 2
Choose the settings for secure random generator.
- 3
Run the tool, inspect the local result, then copy or download it.
A realistic example
Generate 32 random bytes as a 64-character hexadecimal application secret. The source and generated result remain in this browser tab throughout the operation.
Supported formats and limits
Output: hexadecimal, Base64URL, or UUID text.
- Generated values are shown once and are not saved by LocalKit.
- Available memory and browser limits still apply to very large inputs.
Questions people ask
What does secure random generator change?
This tool fills bytes with `crypto.getRandomValues` and encodes them in the selected representation.
Is any input sent to a server?
No. LocalKit performs this operation in your current browser tab.