What is Resolution?

Video resolution is the pixel dimensions of each frame, determining sharpness and detail. Learn about 1080p, 4K, and which resolution to use for each platform.

  • Video Formats & Codecs
  • 4 related terms
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Definition

Video resolution is the number of pixels displayed in each frame, expressed as width by height (e.g., 1920x1080 for 1080p, 3840x2160 for 4K), determining the sharpness and detail level of the video.

Resolution explained

Resolution determines how much detail a video frame contains and how sharp it appears on different screen sizes. Common video resolutions include 720p (1280x720, HD), 1080p (1920x1080, Full HD), 1440p (2560x1440, 2K/QHD), and 2160p (3840x2160, 4K/UHD). For vertical short-form video, the standard resolution is 1080x1920 (1080p portrait). Higher resolution files contain more data per frame, requiring higher bitrates and producing larger file sizes. Platform recommendations vary: YouTube supports up to 8K, TikTok recommends 1080p for optimal quality-to-performance ratio, and Instagram Reels compresses anything above 1080p on upload. Choosing the right resolution involves matching the capture or generation resolution to the intended platform to avoid unnecessary file size without quality benefit.

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BlitzReels provides the tools and automation to put these concepts into practice.

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