Generate a batch of test UUIDs, strong passwords or random strings. Random values come from the browser's cryptographically secure API and never leave your device.
Processed locally, never uploadedNo sign-upFree
Key features
Batch UUID v4 with optional dashes or case changes
Passwords with length, character set and ambiguity controls
Uses crypto.getRandomValues and uploads nothing
How to use
Open the page and start; no account required.
Enter text or choose a file, then press Ctrl / ⌘ + Enter to run.
Copy or download the result; everything runs locally in your browser.