Video planning tools

Plan the clip before spending the upload

Every listed tool names its inputs, output, assumptions, and limits. This page includes completed resources only. Planned calculators do not appear until they work.

Direct answer

The current library helps estimate how trimming changes transferred bytes and upload time, and checks the source-container and browser conditions needed for local preparation. Interactive calculators planned for later are not listed as live until they work and pass the same quality gates.

Live calculators and checkers

Completed resources for upload planning and browser preparation.

Calculator

Upload-time and transfer-savings calculator

Use the documented formula with source bytes, prepared bytes, and measured upstream speed.

Open this resource

Compatibility

Browser trimming compatibility checker

Check MP4, MOV, M4V, WebM, MKV remuxing, and the browser-decoding limitation.

Open this resource

Evidence behind the calculations

Review measured fixture baselines and the separation between observed and modeled results.

Research

Benchmark and evidence methodology

Understand the four fixtures, 10 Mbps transfer model, unavailable service runs, and update rules.

Open this resource

Upload only the range you want to share

Preview the local recording, set the start and end, and upload the prepared clip.

Choose a video

Help