Simple Vault

Simple and polished web MVP

Protect your files without the mess.

Choose a file, set a password, and create an encrypted vault. Open it later in seconds with the right key.

NEW · POST-QUANTUMOne of the first Italian websites with local ML-KEM-768 inside real .vault files
Local encryption 1 free creation and 1 free open Share links ready

THE NEW PINNACLE OF SIMPLE VAULT

Post-quantum protection is already inside the .vault format.

ML-KEM-768, HKDF-SHA-256 and AES-256-GCM run locally in the browser. No file, password or private key reaches the servers.

Generate the post-quantum key pair

Try it now

1 creation and 1 open without an account.

You can try the service before signing up: create one vault and open one vault. After that, use a free account.

One free creation

Generate one vault without an account and see how it works.

One free open

Open one vault without an account, then sign in to continue.

Account to continue

With an account, you can create and open vaults without limits.

Ready to protect your files?

Try the full flow now and see how simple secure file sharing can be.

Documentation

Complete Simple Vault documentation.

Quick guide: how to use the whole site

Here are all the main steps, in order. 1) Sign up or log in from the button at the top (optional for basic features, required for some advanced features such as post-quantum). 2) To protect a file: go to "Create a vault", choose "A file", select the file from your device, choose the protection mode (Standard key with password, post-quantum with a public key, or Core Lock) and confirm. 3) Download the generated .vault file and, if available, the recap PDF or the recovery document: keep them in a place different from the .vault file. 4) To recover a protected file: go to "Open a vault", upload the .vault file, the site automatically recognizes the type of protection and asks for the password or document needed. 5) In the Profile/Settings section you can change language, theme, account data, or delete the account. All encryption and decryption happen in the browser: files are not uploaded to the servers during these steps.

How the website works

Simple Vault turns a normal file into a password-protected .vault file. The user selects a file, chooses a password, optionally sets expiration and maximum opens, then generates the encrypted vault. The important part is that encryption runs in the browser: the site provides the interface and code, but the content is processed on the device. When the vault is created, you can download the protected file and also a recap PDF with useful information for remembering password, link, and opening rules.

Desktop and mobile apps

The Android, Linux, Windows, and macOS apps bring the same idea into an installable experience. They are published as beta: they can be used, but may not work on every device, may require manual permissions, or may differ across platforms. On macOS, Gatekeeper can block apps that are not yet fully signed or notarized; that is why the MacBook section includes copyable commands to remove quarantine from the package downloaded from the official site.

Privacy, cookies, and saved data

Website privacy is based on a simple separation: files and passwords stay on the device during encryption and opening, while accounts and preferences may be stored in Firebase to enable login, profile, language, theme, free trial, and reviews. Technical cookies and local preferences prevent the site from asking the same things on every visit and keep the experience consistent. Do not treat the recap PDF as public: if it contains passwords or links, handle it as a sensitive document.

Account, settings, and deletion

The account lets you continue beyond the free trial, save preferences, and use profile-linked features. From the website you can open Profile, open Settings, change name, organization, bio, theme, and language, or delete the account. Deletion is final for the online account, but it does not delete files already downloaded. In beta apps the intended path is Profile or Account settings; if the button is not visible yet in the installed build, use the website with the same login.

Good security habits

Choose long passwords that you do not reuse, keep the recap PDF separate from the .vault file, and send the password through a different channel when sharing sensitive content. If you set expiration or an open limit, treat those limits as extra protection and not the only barrier. Before deleting originals or copies, always verify that you can open the vault with the correct password.

Core Lock

Core Lock is a new protection feature, more secure than the other modes available on the site. Activate it by choosing "Core Lock" as the protection mode when creating a vault: the site automatically generates everything needed, without choosing a password, and produces two files to download, the .vault file and a recovery document in .txt format. Always keep the two files in separate places. The site automatically recognizes a Core Lock file when you upload it in the "Open a vault" section and will ask you to also upload the recovery document to complete the process. For security reasons you can generate a Core Lock file only once per browser session.

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