Hash Calculator

Calculate SHA-256, SHA-384, SHA-512, SHA-1, or MD5 hashes of any text. SHA uses the Web Crypto API; MD5 runs in pure JavaScript.

Input

Algorithm

Format

Hash Copied!

Hash will appear here.

How It Works

Paste your input text and choose a hash algorithm (MD5, SHA-1, SHA-256, SHA-384, or SHA-512). The tool runs the selected algorithm using the Web Crypto API built into your browser and displays the resulting hex digest instantly. No data leaves your device.

Use Cases

Verifying file integrity checksums after a download
Generating a stable unique key for a cache entry
Comparing two strings to detect silent differences
Learning and teaching how different hash lengths compare