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Video Rendition Ladder Planner

Build an adaptive bitrate ladder from one resolution, frame rate and bits-per-pixel target — see every rung's bitrate, storage per hour and peak egress.

pixels, even, 2 to 7,680
pixels, even, 2 to 4,320
whole fps, 1 to 240
target, 0.005 to 1
rungs including the top, 2 to 6
applied to the previous height
kbps, 0 to 512
for peak egress, 0 to 1,000,000

Each rung's video bitrate is the target bits per pixel multiplied by width × height × frame rate, rounded to a whole kilobit per second; audio is added on every rung. Heights are stepped down by the chosen ratio and rounded to even pixels, widths follow the top aspect ratio, and a ladder stops before a rung would fall below 64 pixels in either direction. A single rung is still shown with a note. Bits per pixel is a planning heuristic: streaming ladders commonly sit near 0.05–0.10 bits per pixel per frame for H.264 at 1080p, and codec efficiency, scene complexity, keyframe density and per-title tuning all move the real number. Storage and egress use decimal megabytes and gigabytes (1 GB = 1,000,000,000 bytes); peak egress assumes every viewer streams the top rung. Everything runs locally in your browser with no storage, uploads or network access.