Understanding Video Formats: MP4 vs. WebM vs. MOV

Choosing the right format affects playback compatibility, quality, and file size. Here's a high‑impact summary.

MP4

Pros: Universal support, good compression, streaming friendly.

Cons: Patented tech, not always highest possible quality.

Best for: General use and sharing.

Pros: Open, efficient compression.

Cons: Limited legacy/iOS support.

Best for: Modern web delivery.

Pros: High quality, editing metadata, alpha channel.

Cons: Larger files, Apple‑centric.

Best for: Editing workflows.

Offer MP4 for universality, WebM when size matters, and MOV if you plan to edit.

創造性・学習性・エンタメ性を兼ね備えた厳選リール。オフライン保存でいつでも再視聴。

Understand copyright, fair use, and what’s generally permitted when saving online videos.

複数の動画URLをキューに追加し並列制御付きで効率的に取得。