After visiting and signing up for 20+ websites, I got to know about the way I am going to share.
Let's dive in.
Before we continue, please setup Adobe Xd, it's free software that will help us in generating app mockups.
Step 1: Visit freebies.fluxes.com.
Step 2: Select an App template as per your requirements.
Step 3: Click on Download and save into the system folder.
Step 4: Open Downloaded File. (*Adobe Xd should be installed in your system)
Step 5: Drop screenshots of your app into this mockup.
And, you should be seeing something like this:
Now, it's time to generate this mockup into .png/.jpg/.svg file type. For that you just have to select mockup and click on export like this:
And, it will ask to select the file type you want to export and select a location:
And, thatttt's ittt.
Check your selected location and use generated mockup anywhere you want.
Thanks for following this guide.
Hope it was helpful.