Cryptomator is an open-source encryption software designed to offer users a secure way to encrypt their files before uploading them to cloud storage services. It provides transparent, client-side encryption, which means files are encrypted on your device before they are synchronized to any cloud storage provider. This helps to secure your data against unauthorized access, as only the encrypted files leave your device.Cryptomator is simple to use, featuring a friendly interface that allows users to create virtual drives on their computers, where files can be dragged and dropped, automatically encrypting them before sync. It is compatible with a variety of cloud storage services, including Dropbox, Google Drive, and OneDrive, among others.The software uses strong AES encryption with 256-bit key length to protect files. Cryptomator is fully open-source, allowing anyone to review its code to ensure its security measures are up to standard. It is available across multiple platforms, including Windows, macOS, Linux, iOS, and Android, ensuring accessibility and flexibility across devices.