When a user creates a shareable link to a file or folder, the URL must contain the decryption key. MEGA cleverly hides this key in the URL's anchor (the part after the # symbol). This is why MEGA links always look like: https://mega.nz/folder/foo#bar . The browser uses the part after the # to decrypt the content, but the key is never sent to the MEGA server, maintaining the "zero-knowledge" principle.
: On mobile devices, you can mark folders to be "available offline," allowing you to view content without an active internet connection. Managing Transfers https meganz folder cp upd free
Data is encrypted on the user's device before it is uploaded to the cloud. Mega does not hold the decryption keys, meaning only the account holder or individuals with whom they share the explicit decryption key can view the files. When a user creates a shareable link to
: Folders are where you organize your files. You can create as many as you need, and within those folders, you can have subfolders for even more organization. The browser uses the part after the #