If you want to attract a huge number of people to your YouTube video, you must create amazing thumbnails. Today we’ll show you how to make customized YouTube thumbnails on iPhone and on any Android Smartphone. Plus, it covers a youtube thumbnail app for adding text to your thumbnails and photos.
Let's begin!

Start with the end in mind. It means start working on thumbnails with the complete view of the video in mind.

Take a lot of pictures (10 pictures are suggested).

Make sure the pictures are perfect from all angles.

Now, open up your photo app and choose one of your selected pictures  to edit it.

Hit the “Edit” button and then the “Three dots” to open the filter option.

Choose the “Vivid Filter” to brighten up the photo.

Then click the crop button and select the 16x9 ratio option.

Tap the “Done” option to crop the image.

Now, download and install the “Phonto App” and use it to add text to your photo.

Customize your texts depending on the requirements of your YouTube thumbnail.

How To Make YouTube Thumbnails On Your Phone (With FREE App)