I use smartmockups.com. Just upload your PNG with transparent background. Source: 8 months ago

By the way, there are sites with free mockup images, https://smartmockups.com/ is one example. Source: about 1 year ago

Have you also googled stuff like this https://smartmockups.com/ ? haven't used it (i have photoshop ;) ). Source: about 1 year ago

Smartmockups.com — Create product mockups, 200 free mockups. - Source: dev.to / over 1 year ago

Well, this exact pillow is from redbubble.com . It's a print-on-demand shop that deals with home textiles, clothing, accessories, mugs, and other products. There are many similar online shops. Artists are using them not just to sell their prints there, but also for getting nice visual examples with their art (mockups). If a shop sounds too complicated for you, you can simply find some digital mockups (of different... Source: over 1 year ago

a preview of the image improved thanks to "letsenhance.io". Source: 6 months ago

Enhance. io- the AI-powered image enhancer that increases resolution without losing quality. Customize dimensions, improve texture, tone, color, and clarity effortlessly. Ideal for WordPress eCommerce sites, real estate, and websites with multiple similar images. Save time with automated presets and clean up images using Smart Enhance for crystal-clear visuals. - Source: dev.to / 10 months ago

Https://letsenhance.io (For $9 you can get 100 credits to make 100 thumbnails enhanced to HD Quality and you can use the image generators). Source: 12 months ago

Https://letsenhance.io isn’t free but for $9 you can get 100 credits to make 100 thumbnails HD. Source: 12 months ago

Then upscale the image - https://letsenhance.io/. Source: 12 months ago