SHA Hash Generator

About the SHA Hash Generator

The DevGizmo SHA Hash Generator computes cryptographic hash digests using the SHA (Secure Hash Algorithm) family directly in your browser via the Web Crypto API. All four variants — SHA-1, SHA-256, SHA-384, and SHA-512 — are computed simultaneously so you can compare them side by side. No input data is ever transmitted to a server.

Type or paste any text into the input field, click Generate Hashes, and all four digests appear as hex-encoded strings you can copy with one click.

What is SHA?

SHA stands for Secure Hash Algorithm, a family of one-way cryptographic functions standardised by NIST. A hash function takes an input of any length and produces a fixed-length output (the digest). The same input always produces the same digest, but it is computationally infeasible to reverse the process or find two different inputs that produce the same digest (collision resistance).

SHA Variants Explained

• SHA-1 — produces a 160-bit (40 hex-character) digest. Considered cryptographically broken since 2017 and should not be used for security-sensitive purposes. Still encountered in legacy systems and Git commit identifiers.
• SHA-256 — part of the SHA-2 family, produces a 256-bit (64 hex-character) digest. The most widely used hash function in modern software, used in TLS certificates, Bitcoin, JWT tokens, and code signing.
• SHA-384 — a truncated variant of SHA-512 producing a 384-bit (96 hex-character) digest. Used in higher-assurance TLS cipher suites.
• SHA-512 — produces a 512-bit (128 hex-character) digest. Offers the highest security margin in the SHA-2 family and is faster than SHA-256 on 64-bit platforms.

Common Uses

• Verifying file integrity by comparing hash digests
• Storing password hashes (with a proper KDF like bcrypt on top)
• Generating digital signatures and message authentication codes (HMAC)
• Creating content-addressable identifiers for data deduplication
• Checksums for API payloads and webhook verification