Store, sync, and share files across devices anywhere

Secure, open source, peer-to-peer file-sharing

Read-only permissions

Easily share content with your audiences

Need to share news, event documents, videos or educational material to your audiences without relying on centralized platforms that are easily blocked? With Ouisync, you can quickly upload media and share Read-only access to content via QR codes, shortlinks, or other messaging platforms. Ouisync is 100% free and open source, and will never share or sell your data to third parties.

Read-Write permissions

Quickly share files with a friend

Share a Ouisync repository using Write permissions to allow multiple users to add or edit files within a repository, even in conditions of limited connectivity. Keep data in sync between your personal devices, collaborate on team projects, and create group photo albums. All data in Ouisync is end-to-end encrypted for your peace of mind.

Blind permissions

Securely store sensitive documents

Want to securely back up your data on other devices and make it inaccessible to anyone else? Share your Ouisync repositories in Blind mode. Your friend offers you their spare computer for storage of your data? Let your friends be your cloud! It takes just a couple of taps in Ouisync to securely store your data in Blind mode and you never again have to worry about losing your phone - your data is safely stored for whenever you need it.




Data (including metadata such as file name, size or location) is encrypted both in transit and at rest, and can be shared as read/write, read-only, or blind.

No Cloud


Ouisync users are able to share files despite conditions of limited or no internet connectivity, when the centralised servers most apps rely upon may not be reachable.

Person with Gear

You're in control

Easily create encrypted repositories for your data and then distribute the link to friends, audiences, or between devices for effective, decentralized publication and/or backup storage.

Descargar Ouisync


Descargar Ouisync Server Docker Container

For self-hosting a Ouisync server.

Download Ouisync from Github