Is this for passwords?

Use dedicated password tools with salt; this is for general checksums.

Requires HTTPS or localhost for crypto.subtle.

SHA-256 Hash

Compute SHA-256 hashes from text using Web Crypto. Nothing is uploaded.

Text

SHA-256 (hex)

Enter text and click Hash. The hex digest appears below.

Is this for passwords?: Use dedicated password tools with salt; this is for general checksums.
Secure context?: Requires HTTPS or localhost for crypto.subtle.
Uploaded?: Never. Hashing runs locally.