Free browser tool
Look up the details in a video file
Choose a local video to read its exact duration, dimensions, aspect ratio, format, and file size before you edit or share it.
Choose one video
Supports MP4, WebM, and MOV when your browser can play them, up to 500 MiB.
Your video facts will appear here.
Use the measured details to choose an editing or sharing workflow.
What this lookup reads
The browser reads metadata stored with the selected file. Duration and dimensions come from the playable video track; size comes from the file itself. This tool does not identify people, places, speech, or the subject of a video.