Generate passwords, API keys, nonces, identifiers, random choices, dates and test values locally.
Create strong random passwords with length and character-set controls.
Combine random words with separators, capitalization and an optional number.
Generate cryptographically random hexadecimal, Base64URL or custom-alphabet API keys.
Generate one-time random nonce values for CSP, OAuth and application tests.
Create up to 100 random version 4 UUIDs using secure browser randomness.
Create 26-character time-sortable identifiers with secure random components.
Generate random locally administered unicast MAC addresses for testing.
Create random strings from selected or custom character sets.
Generate integer or fixed-decimal values across a configurable range.
Generate random dates between two bounds with UTC or local output formats.
Choose one or more items from a list with secure local randomness and optional no-replacement mode.
Generate related HSL color palettes from a base color and copy CSS variables.
These tools are grouped for faster navigation, but each operation still runs in the current browser. Favorites, recent tools and local usage counts remain on this device and can be cleared or exported from the home page.