Anycript is a free tool for AES online encryption and decryption. This tool performs ECB and CBC encryption modes and supports the key length of 128/192/256 bits.

Free online AES encryption and decryption tool. Encrypt and decrypt text data using AES-128, AES-192, and AES-256 with various modes (CBC, ECB, CTR, GCM) and key options.

Free online file encryption tool. Encrypt and decrypt files securely using AES-256 encryption. No file storage, fast and privacy-friendly.

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Decrypt your encrypted files securely with our free online decryption tool. Upload your .encr file, enter the password, and download your original file instantly.

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This tool uses the mcrypt_encrypt () function in PHP, so for more infos about the parameters used check the manual. You might also like the online encrypt tool.