Fast and Secure Open-Source Backup Software for Windows, Mac, and Linux

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Encrypted, Compressed, and Deduplicated Backups Using the Cloud Storage You Pick

Demo of Kopia's Command-Line Interface

View a recorded demo of Kopia using Google Cloud Storage with pluggable encryption and compression.

Demo of Kopia's Graphical User Interface

Kopia comes with a user-friendly desktop app for Windows, macOS, and Linux which allows you to create snapshots, define policies, and restore files quickly.

Fast and Encrypted Backups

With a secure and scalable architecture, Kopia can back up everything from small laptops to large servers.

Contributions Welcome!

We use a Pull Request contributions workflow on GitHub. New contributors and bug reports are always welcome!

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Join The Conversation

Find us on Slack to get started with using Kopia, discuss features and issues, meet the team, and more.