Security
Privacy-friendly generators, encoders and security utilities that run directly in your browser.
Password Strength Checker
Evaluate password length, character variety and estimated entropy locally without sending the password to a server.
Base64 Encoder and Decoder
Encode Unicode text into Base64 or decode valid Base64 content back into readable text directly in your browser.
UUID Generator
Create a standards-based random UUID for database records, test data, API requests and software development tasks.
Secure Password Generator
Generate strong random passwords with selectable length, uppercase letters, lowercase letters, numbers and symbols.
Random OTP Generator
Generate a random numeric one-time code with four, six or eight digits for testing and temporary verification workflows.
Caesar Cipher Tool
Encrypt or decrypt English alphabetic text with a configurable Caesar shift while preserving numbers and punctuation.
SHA-256 Hash Generator
Calculate the SHA-256 digest of any entered text locally with the browser cryptography API and receive a hexadecimal hash.
URL Encoder and Decoder
Safely encode text for use in URL query values or decode percent-encoded content into its readable original form.