Browser cryptography
Random selection uses crypto.getRandomValues with rejection sampling to avoid modulo bias.
Generated secrets stay on the device
The React tool creates values in the browser. Secret values are excluded from requests, analytics and bug reports by design.
Session-only history
The recent list remains in React memory and disappears when the page session is reloaded.
Plain-text export warning
If you deliberately export a text file, you become responsible for storing and deleting that unencrypted file.