ShangMi 3 (SM3) Hash Calculator

Generate SM3 (ShangMi 3) 256-bit message digest of a text string or file encoded in hex. SM3 is a Chinese national cryptographic hash standard (GB/T 32905-2016) comparable to SHA-256 in security.

Drag and drop a file here, or click to browse

Maximum file size: 100 MB

Selected file:

Computing hash...

SM3 256-bit hash:

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