If you found a bug in this page, or have a feature/function which you would like to see in this web app, please let us know by sending an email or through the discussion form below. Download links for three popular browsers are as follows: Chrome, Edge As an extension, this app does not need an internet connection and can be used offline in your browser. Video Resizer app is also available as a browser extension. So please keep this note in your mind when working with this app. Because the web app uses the memory and CPU from the browser, resizing large video files might introduce lag or slowness to the browser. Comparing speed to the original FFmpeg library running in C language, it has an acceptable performance if the input video file is not too large. This web application uses the FFmpeg library () which is compiled to JavaScript via the Emscripten compiler (). So for option 5, please add both desired width and height value in pixels. The app adjusts the final video by adding padding to the final video when needed.

In option 5, both final width and height values are needed. Please note that only one of the width or height values needs to be added not both of them. The fourth option is similar to the third option but you need to enter the desired final values for width and height in pixels. The app automatically adjusts the height value based on the width property. For example, if you want the final video to have a 50% width comparing the original video, please enter 50 as the width value in the designated area and leave the height field empty. The third option is to choose the final width or height in percent.

You can add both or just one of these values. The second option is choosing bitrate for the final audio and/or video. The first option is few common social media dimension (i.e. Within the settings section, there are five options to choose from. To see the complete list of supported formats, please visit this Wikipedia page (). The input video can be from several formats such as. Then, adjust your settings (section I) and finally click on the - RESIZE - button. Simply drop a video file in the designated area within the app (top section). This web application is designed to resize video files.

Ffmpeg resize options