Why send a plain text message when you can send a locked digital treasure chest?
- If you are planning a digital treasure hunt, an escape room, or just want to prank your friends with a password-protected secret, you need to see how this works.
- This tool lets you turn any message into a standalone, encrypted HTML file that only unlocks with your secret key.
Try it out right now!
Experience the mystery for yourself by using the live tool here:
👉 Treasure Hunt Clue Creator
How it Works: The "Zero-Server" Magic
This app doesn't use a database or a backend. It relies on Client-Side Encryption and Dynamic File Generation. Here’s the breakdown of the tech inside:
- The XOR Cipher (Symmetric Encryption): The app uses a bitwise XOR cipher to scramble your message. By prepending a "Magic Header" (GEMINI_CLUE_V1|) to the message before encrypting, the receiver file can mathematically verify if the entered passcode is correct.
- UTF-8 & Base64 Handling: The code uses Text Encoder and Text Decoder to ensure your secret messages can include emojis and special characters without breaking.
- Creating Files on the Fly: The app uses Blob objects and URL.createObjectURL to package the encrypted data and the decryption logic into a brand-new HTML file that downloads instantly to your machine.
Standout Features
Portable & Standalone: The generated files are self-contained with their own CSS and JS. No external dependencies or CDN links are required.
Privacy First: Because everything happens in the browser (client-side), the secret message never actually touches a server.
Polished UX: The receiver file features a "treasure" aesthetic with CSS keyframe animations that shake the input box if you enter the wrong code.
Wrap Up
Ready to start your own digital hunt? Head over to the Clue Creator, generate a message, and send it to your friends.
What kind of clues are you going to hide? A surprise gift location? A funny prank?
Just type a secret message, set a passcode, and download your "locked" file. Send that file to a friend and see if they can crack the code!
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