Video bitrate and filesize calculator
Calculate video bitrate and target filesize
Enter duration, target size and audio bitrate to calculate the video bitrate needed for export.
The calculator helps fit video under platform, messenger or storage size limits.
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Browser-side media tools are useful for quick analysis, previews and lightweight exports.
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Large video and audio files may need time to decode; smaller samples work faster in the browser.
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When the result is a command, run it on a machine with ffmpeg or the required model installed.
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Review generated WAV, PNG, CSV and command outputs before using them in production workflows.
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Fullscreen mode on tablets and desktops gives more room for waveforms, tables and video previews.
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For final broadcast, podcast or advertising delivery, verify results with professional media tools too.
