Enforce your rights and be ready to defend against potential disputes!
Select the file to timestamp, we'll send you a certificate attesting "this" was submitted by "you" at "that date". Plus, we'll optionally store a safe copy of your document (see rates).

Don't upload my document, calculate the digest to timestamp client-side: faster and no leakage risk.
Jessica Priston
"Thanks to PROOF.com I was able to prove they did not deliver the advertised product and I was refunded."
Dan Wheelan
"Everytime I create a new logo I submit it to PROOF.com to be able to prove later I was the original designer."
David Cohen
"With friends we often organize small bets, it's now so easy to manage them with PROOF.com, no more disputes."