Free Hash Generator - Free ToolBase

Free online hash generator supporting SHA-1, SHA-256, SHA-384, and SHA-512 algorithms. Enter text or upload a file to compute hash instantly. Pure frontend browser processing. · Native Web Crypto API · No Server Uploads

Zero Dependencies·Local Computation

Hash Computation

SHA-256: Produces a 256-bit (32-byte) hash, the most widely used secure hash algorithm

Enter Text

— or —

Hash Value📋 Copy

e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

Algorithm

SHA-256 · 256-bit · 64 hex chars

Hash Generator - Free Online SHA Hash Calculator Tool

Hash Generator is a free online tool for computing cryptographic hash values. It supports SHA-1, SHA-256, SHA-384, and SHA-512 algorithms. Enter any text or upload a file to compute its hash instantly. Perfect for file integrity verification, password validation, and digital signature verification. Uses the browser's native Web Crypto API (SubtleCrypto) — all computation is done locally, no data leaves your device.

Key Features

SHA-1, SHA-256, SHA-384, SHA-512 support
Text input with instant hash computation
File upload with full file hash
One-click copy to clipboard
Local computation via Web Crypto API

FAQ

What hash algorithms are supported?

SHA-1, SHA-256, SHA-384, and SHA-512. These are implemented using the browser's native Web Crypto API for accuracy.

Are uploaded files sent to a server?

No. All file processing happens locally in your browser using the SubtleCrypto API. Files never leave your device.

What is a file hash?

A file hash is a fixed-length string generated by running file content through a hash algorithm. It's used for file integrity verification, software signature validation, and password storage.

What's the difference between SHA-256 and SHA-512?

SHA-256 produces a 256-bit (32-byte) hash, while SHA-512 produces a 512-bit (64-byte) hash. SHA-512 offers higher security but may be slightly slower on 32-bit systems.

Why no MD5 support?

MD5 has known collision vulnerabilities and is no longer considered secure. For security-sensitive applications, we recommend using SHA-256 or higher.

🔐 Hash Generator