Keep this tab open
Large files can take several minutes to process, depending on the computer and browser.
Free browser-based utility
Portrait Video Resizer.
Convert PowerPoint portrait video exports into silent, screen-ready 1080 × 1920 MP4 files without uploading the source video to Grassroot Media.
1212 × 2160 input
1080 × 1920 output
Silent H.264 MP4
Processed on your computer
Screen-ready conversion
Resize the exported video, remove the audio and download the finished file.
Select up to ten portrait MP4 files. Conversion happens locally in the browser using the separate PowerPoint Portrait Video Resizer plugin. The source videos are not uploaded to this website.
POWERPOINT VIDEO TOOL
Portrait Video Resizer
Convert 1212 × 2160 MP4 videos to silent, screen-ready 1080 × 1920 MP4s.
Your videos stay on your computer. Nothing is uploaded to this website.
Drop your PowerPoint MP4s here
or click to choose videos
MP4 files up to 250 MB eachVideos
Preparing converter
Choose one or more MP4 videos to begin.
The converter is about 32 MB and is loaded the first time you use the tool. Conversion speed depends on your computer.
No audio track
The finished MP4 is intentionally silent because Grassroot Media clubhouse screens run without sound.
Local processing
The browser does the conversion. Closing or refreshing the page stops the current batch.