Online SM4 Decryption Tool

Update time: 06/09/2025 03:38 PM

Tool Introduction:

Online SM4 Decryption Tool supports encryption modes: ECB, CBC, CFB, OFB, CTR, GCM, and padding methods including PKCS#5, PKCS#7, Zeros, ISO10126, ANSI X.923, ISO/IEC 7816-4. Output formats include UTF8, hexadecimal, and Base64 encoding.

Decryption Result：