SHA-256 Hash Calculator

Hash text with SHA-256 using Web Crypto (browser-only).

Frequently asked questions

What does the SHA-256 Hash Calculator do?

Hash text with SHA-256 using Web Crypto (browser-only). Enter your values and get an instant estimate in your browser — free, with no signup.

Is the SHA-256 Hash Calculator free to use?

Yes. OpenCalcy calculators are free to use, work on mobile, and keep favorites privately in your browser.