SHA-1 Hash Generator
Generate secure SHA-1 checksums for your text data instantly.
Hash will appear here...
SHA-1 (Secure Hash Algorithm 1) produces a 160-bit (20-byte) hash value, usually rendered as a 40-digit hexadecimal number.
Note: While SHA-1 is still used for checksums and legacy apps, it is no longer considered secure against well-funded attackers. For security, use SHA-256 or higher.