Text Encryption & Decryption Online
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About Text Encryption & Decryption Online
What does Text Encryption & Decryption Online do?
Encrypt and decrypt text with a password using browser-side AES-GCM encryption. Your text stays on your device and is never uploaded.
What is Text Encryption & Decryption Online?
The Text Encryption & Decryption Online tool lets you encrypt any text with a password using AES encryption and decrypt it again using the same password entirely in your browser. Nothing is sent to a server. Enter your text, set a password, click Encrypt, and share the encrypted output safely. The recipient decrypts it by pasting the output and entering the same password.
Encrypting text is useful when you need to share sensitive information through an insecure channel such as email, messaging, or social media and want to ensure only the intended recipient can read it. Because encryption and decryption both happen locally, your plaintext and password are never visible to any server or third party.
How to Use
- Type or paste your text into the input area.
- Enter a strong password and choose the security level.
- Click Encrypt Text to generate encrypted output, or Decrypt Text to restore plaintext.
- Copy the result or move the output back into the input box for the next step.
Best For
- Sending sensitive information through email or chat more safely
- Storing encrypted notes or credentials in a shared document
- Sharing private data with a specific person using a shared password
- Learning how browser-side symmetric encryption works
Frequently Asked Questions
What encryption standard does the tool use?
The tool uses AES-GCM encryption with a password-derived key, which is a modern and secure standard for symmetric encryption.
Is my text or password sent to a server?
No. All encryption and decryption runs entirely in your browser, so your plaintext and password never leave your device.
Can anyone decrypt the output without the password?
No. The encrypted output can only be decrypted with the same password that was used during encryption.
Is this tool free?
Yes. The Text Encryption tool is completely free with no account required.
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