Mc-addons.com (10000+ UPDATED)

Unlike Java Edition, which relies on zip files and folder structures that often require manual extraction, Minecraft Bedrock Edition utilizes a container format. An .mcaddon or .mcpack file is essentially a compressed archive that the game natively recognizes. When a player opens one of these files, Minecraft launches automatically and installs the content.

How to Install Custom Add-ons on Minecraft Bedrock (Step-by-Step) mc-addons.com