Text Encryption
Encrypt and decrypt text with AES-GCM and a passphrase.
100% Free Forever
Free Text Encryption Tool (AES-GCM)
Encrypt and decrypt sensitive text with AES-GCM encryption and a passphrase. Share secrets safely — only someone with the passphrase can decrypt.
How to use this tool
- 1
Enter your text & passphrase
Type the message and a strong passphrase.
- 2
Encrypt
Get encrypted output you can share safely.
- 3
Decrypt later
Paste the encrypted string and passphrase to recover the message.
Pro tips
- Choose a strong, unique passphrase — without it, your text is unrecoverable.
Frequently asked questions
Is this secure?
Yes — uses AES-GCM, the same encryption used by HTTPS and banks.
Where is my data?
Encryption happens entirely in your browser — nothing is sent anywhere.