SHA1 Hash Generator

SHA-1 Secure

Generate SHA-1 hashes from text instantly. SHA-1 produces a 160-bit (20-byte) hash value, typically expressed as a 40-character hexadecimal number.

Enter text to hash:

Character Encoding:

Output Format:

Generate on input change

Select file to hash:

Enter text or upload file to generate SHA-1 hash

Hash 1:

Hash 2:

Hash Size

160 bits

Hex Length

40 characters

Block Size

512 bits

Rounds

Security Status

SHA-1 is no longer considered secure against well-funded attackers. For cryptographic security, use SHA-256 or SHA-3.

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