🔒 Evidence Integrity

Hash Calculator

Calculate MD5, SHA-1, and SHA-256 cryptographic hashes for text or files. All calculations are performed locally in your browser.

Enter text to hash:

Upload a file to hash:

📁

Drag and drop a file here, or click to browse

Select File

📋 Hash Results

MD5

SHA-1

SHA-256

Verify Hash

🛈 About Hash Functions

Cryptographic hash functions create a unique "fingerprint" of data. Even a small change in the input produces a completely different hash. In digital forensics, hashes are used to verify evidence integrity - if the hash matches, the data has not been modified.