When an uploader creates a public link, they toggle a setting that says "Remove decryption key from link." In that case, MEGA generates a link like: https://mega.nz/file/RfZAkQyT
This article will explain exactly why you cannot bypass the key, how the system works, and the only scenarios where you can open the link anyway. To understand why you cannot "open" a Mega link without a key, you must first understand that MEGA operates on a Zero-Knowledge Privacy model. How To Open A Mega Link Without Decryption Key
When you click that, MEGA lets you download the file directly without any key prompt. Because the uploader specifically instructed MEGA to store the key temporarily or to serve the decrypted file via a short-lived token. When an uploader creates a public link, they