Production-Ready SHA-1 Cryptographic Hasher

SHA-1 Hash Generator

Compute 160-bit (40-character hexadecimal) SHA-1 cryptographic hash digests, Git object commit hashes, and HMAC-SHA1 signatures.

Input Content Workspace

Click any preset sample to populate input instantly:

Output Workspace
Input Size0 B
Digest Length40 Chars
Bit Size160-bit
Format ModeHex (Lowercase)
160-bit Cryptographic Hash Digest Signature:

SHA-1 Algorithm Verified
Format VariantHash Digest OutputAction
No hash digests generated.
Recent SHA-1 Hashes:
160-bit Hash Digest

Computes a fixed 40-character hexadecimal SHA-1 hash signature from any text string payload.

Git Commit Blob Hashes

Includes Git object blob header calculation (blob <len>\0<content>) matching Git version control commit IDs.

HMAC-SHA1 Secret Salting

Support for secret key salting and keyed-hash message authentication code (HMAC-SHA1) generation.