Using a standard template for your preview images helps readers recognize your content instantly. 🛠️ How to Create the Perfect preview.jpg

You can generate custom, professionally styled images using tools like ChatGPT's DALL-E or Canva's AI generator .

Sites like Unsplash provide high-resolution, royalty-free images you can customize.

For most platforms like Substack or WordPress, aim for a minimum of 1200 x 630 px . Keep the focal point in the center to avoid awkward cropping on mobile. ⚙️ Technical Tips for Implementation WordPress: Creating a blog post from start to finish

Visuals earn 2.3 times more engagement than text-only posts on social media.

The file typically serves as the "featured image" or "thumbnail" for a blog post. It is the visual hook that appears on social media, search results, and your blog's homepage to grab a reader's attention.

You don't need to be a professional designer to create a high-quality thumbnail.