Text encryptor
Encrypts or decrypts text with a passphrase.
- Free
- No sign-up needed to try
- Runs in your browser
Sign in to use this tool
Text encryptor is free once you're signed in — one quick account unlocks every tool on Alux Tools, no payment, ever.
How this works
Uses AES-GCM via the Web Crypto API with a key derived from your passphrase to encrypt or decrypt the text.
Encryption happens entirely on your device.
Frequently asked questions
Is the text encryptor free?
Yes. Text encryptor is free to use, with no software to install and no hidden fees.
Is my data uploaded anywhere?
No. This tool runs entirely in your browser, so what you enter or select never leaves your device.
Does it work on phones and tablets?
Yes. It works in any modern browser on Android, iPhone, iPad, Windows, Mac and Linux.