Proving stuff on the Internet used to be hard. We make it simple.

 is fixing trust on the Web.

The Web is a magical place full of fraud, forgeries, and fake news. There's ways to investigate if something you see is legitimate, but using standards to do it right—to prove it—is usually complicated.

certish uses bank- and military-grade cryptography to prove where something comes from or whether its been changed by somebody. We make it as easy as clicking a link or dropping a file onto your browser, so you can have more confidence in what you see and what you share.

Want to see how we're fixing trust on the web?