Hash & Checksum Generator

Compute MD5, SHA-1, SHA-256, SHA-512, and HMAC cryptographic hashes for text and files securely in your browser.

Input Text

0 characters • 0 bytes

Enable HMAC (Keyed-Hash)

Output Encoding

Verify / Match Checksum

Cryptographic Digests (0)

All hashing computations execute in real time inside your browser via cryptographic algorithms. Files and strings are never sent across the internet.

Quickly generate HMAC authentication digests with a custom secret key to debug webhook signatures (GitHub, Stripe, AWS) and token verification.

Paste an expected software checksum to automatically confirm whether any generated hash matches the published signature without manual comparisons.