Offline Media Size Optimizer – Bitrate & Resolution Calculator

1) Open media

Pick a file or drag it into the zone below

Drop file here or click to browse

One primary target required

Primary target method

Size % Reduction Max Video kbps

Overhead m ?

Target file size (e.g., 65MB, 1.5GB, 65000000)

Target percent reduction (e.g., 35%)

Target maximum video bitrate (kbps)

Audio bitrate (kbps) ?

Leave audio unchanged

Target resolution

Recommended: —

Custom percent scale (e.g., 75%)

Target frame rate (fps) ?

Bitrate scaling method ?

Video codec for FFmpeg example

Results will appear here after computing.

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Duration must be known and > 0 to compute.
Minimum suggestions (very rough): 1080p@30 → 2,500–8,000 kbps; 720p → 1,000–4,000; 480p → 500–1,500.
If target bitrate > current, output may grow in size.
Prefer the smaller of size-implied vs resolution-implied bitrates to stay within limits.