iCloud provides you an online storage to store your photos, videos, files, etc. You can store your data up to 5GB for free and pay for further storage. You can access your videos stored from a device, on any other device with same Apple ID. The advantage of iCloud is that it is an inbuilt feature from Apple. You do not need to download any app for it and go to it and apply settings.
The step by step process to transfer videos from Mac to iPad using iCloud is shown below:
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