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Encrypt and Decrypt a Secret Message Online
This online tool lets you encrypt or decrypt a message. It allows you to send a secret message to another person who knows the secret key (or secret phrase).
What is a secret key?
This key is a secret phrase used to decrypt a message. Without this key, the message cannot be decrypted.
How to encrypt a secret message?
To encrypt a message online, first choose a secret key that only your recipient knows. Then, in the "message" field, insert the message to send. Press the Encrypt button. In the "result" field, the encrypted message appears. That sequence of characters is what you should send.
As you can see, you can use smileys (or emojis) 😃.
How to decrypt a message?
To decrypt a secret message online, you can use this same tool. In the "message" area, insert the encrypted message. Then click the Decrypt button. The plain message appears. Above all, don't forget to enter the secret key.
Error handling
Errors can occur when encrypting or decrypting a message. For example, if the secret key is incorrect, the message cannot be decrypted.
List of possible errors:
- 🚫 Ouch! Decryption impossible! Problem with the key or the encrypted message! ❌
- Please fill in all the fields (Key and Message)!
Why use encryption when sending a message?
It is important to know that the messages you send are not necessarily secure. Indeed, a hacker could intercept the messages you send. That is why you can encrypt your messages. If a hacker intercepts your message, they will not be able to read it because they will not have the secret key to decipher it and will not know the encryption system used.
What if the secret key is lost?
If the secret key is lost, the encrypted message becomes unrecoverable. It is therefore essential to keep this key in a safe place and never forget it.
Content security
The transmitted message is not viewed by the website owner or anyone else, nor is it stored.
No guarantee
This service is provided without any warranty. It is advisable not to use this service for sensitive or confidential messages that must remain encrypted over the long term.