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Security
AES Encrypt / Decrypt
Encrypt text with a password using AES, and decrypt it again with the same settings.
- Runs in your browser
- Instant results
- Free, no sign-up
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How to use the AES Encryption
- Choose the mode, key size and a strong password.
- Type text and click Encrypt.
- To decrypt, paste the Base64 text, enter the password and click Decrypt.
Frequently asked questions
Which mode should I choose?
AES-GCM. It also detects tampering. Use CBC only for compatibility with older systems.
Can I decrypt this with other tools?
Yes, if they use the same format: PBKDF2-SHA256 with 250,000 iterations, then salt + IV + ciphertext in Base64.
Is it secure?
AES itself is strong. Security depends on your password, so use a long, unique one and share it separately.
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