There are a few ways to add a thumbnail to a YouTube video on an iPhone. One way is to use the YouTube app. Tap on the three lines in the top left corner of the app, and then select “Settings.” Under “General,” tap on “Video Quality” and then toggle “Enable Thumbnail Preview” to on.Another way is to use a third-party app like VivaVideo.

You can add a video thumbnail to your iPhone by following these steps:Open the Photos app and find the video you want to add a thumbnail to.Tap on the video to open it.Tap on the Edit button in the top right corner of the screen.Tap on the Add a Poster Frame button in the bottom left corner of the screen.

To add a thumbnail to your YouTube video on your phone, open the YouTube app and tap on the three lines in the top left corner. Then, tap on “Settings” and “Creator Studio.” Under “Video Manager,” tap on the video you want to add a thumbnail to. Tap on the pencil icon and select a thumbnail from the list of thumbnails that appear.

There are a few reasons why you might not be able to add a thumbnail to your YouTube video. One reason might be that you don’t have the rights to use the image you want as your thumbnail. Another reason might be that your video is still in “processing” mode and hasn’t been published yet.

To add a thumbnail to a YouTube video on an iPad, first open the YouTube app. Next, find the video you want to add a thumbnail to and tap it. Then, tap the three dots in the top right corner of the screen and select “Copy Embed Code.” Next, open a web browser and go to the website you want to embed the video on. Paste the code into the website and press “Enter.

To add thumbnails without using YouTube Studio, you can use a Google Chrome extension called “TubeBuddy.” This extension will allow you to add thumbnails and other features to your videos without having to use the YouTube Studio app.

There are a few ways to add a thumbnail to a video. One way is to use a software program like Adobe Premiere or Final Cut Pro. Another way is to use a website like YouTube or Vimeo.

To enable thumbnails, open the Settings app and select “Photos & Camera.” Under “Photo Albums,” enable the “Thumbnail view” setting.

To enable thumbnails, open the Settings app and select “Photos & Camera.” Under “Photo Albums,” enable the “Thumbnail view” setting.

To make a thumbnail on imovie for iPhone, first open the imovie app and select the project you want to work on. Then, tap the “thumbnail” button in the toolbar and select one of the provided templates or create your own. Next, add photos or videos to the timeline and adjust their position and duration. When you’re finished, tap “export” and select an output format.