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File Extension Detector

Upload your video ad to determine the video's file extension.

Collect 24+ data points and validate against IAB ad guidelines

HTML5 Zip
Ad Tag
VAST
Video
Image
Audio
 
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Drop your video file here
Format: MP4, WebM, MOV, AVI, MPG, 3GP
auto_stories
API Docs
Go ahead, try
it yourself !

File Extension

The file extension of the video file, for example: mp4.

Why do we test it?

Publishers commonly have a restricted number of video file types they accept.