UD5 Toolkit
Invisible Text Generator - Online Zero‑Width Secret Messages
Encode a hidden message using zero‑width characters. The message looks like normal text. Decode with the same tool.
Tag: Secret Generator - Cryptographic Random
6+ toolsEmoji Cipher Decoder - Online Secret Message Fun
Decode a message hidden in a string of emojis (each emoji maps to a letter). Fun game for kids. Create your own.
Steganography Text Hider - Online Conceal Secret Message
Hide a secret message inside a normal text using zero-width characters or invisible ink. Copy the result. Decode with the same tool.
Text to Emoji Cipher - Online Encode Secret Messages
Convert your text into a string of emojis using a simple substitution cipher. Share secret messages that look fun. Decode them with the same tool. All local.
TOTP Generator (Offline) - Online Two‑Factor Code
Generate Time‑based One‑Time Passwords locally by entering a base32 secret. Verify your authenticator setup without a phone.
Random String Generator - Online Alphanumeric Randomizer
Create random strings of any length using custom character sets. Perfect for generating API tokens, salts, and unique codes. Fully client-side secure.