How to deposit your first file

From the homepage, drag and drop your file into the deposit area, or click to select it from your computer.

The file's fingerprint is computed first. The file is then transferred securely for timestamping. Our server never examines its content.

Enter a title and description to identify your deposit, then confirm. You don't need to create an account to make this first deposit and see the result.

No sign-up is required to obtain and keep your certificate: your first 5 deposits per email address are free, and remain valid and verifiable for life, independent of any account. If you create an account afterward with the same address, these deposits are automatically added to your personal space. Beyond these 5 deposits, you need an active subscription, starting at €16/month. It unlocks up to 300 deposits per year and 10 GB of storage (both extendable), intellectual property insurance, and legal support in the event of a dispute over your creations.