A Facebook mockup should make the product understandable before someone reads the accompanying post. Design for a small mobile viewport first, then adapt the same visual system for other placements.
Choose a format around the product screen
Square post
A flexible 1080 × 1080 canvas for centered device frames, simple feature announcements, and cross-channel reuse.
Portrait post
A 1080 × 1350 canvas gives a vertical app screen or stacked browser composition more room in a mobile feed.
Landscape artwork
Useful for wide browser interfaces, but small labels can become difficult to read when the feed constrains the image width.
Carousel cards
Use one ratio for every card and let each slide explain one benefit, workflow step, or product detail.
These are practical composition canvases, not a substitute for checking the current publishing or ad-placement preview before launch.
Make the screenshot readable on mobile
Product interfaces contain more detail than most feed images. Cropping everything into one card usually produces a technically complete image that communicates very little.
- Choose one product moment instead of showing the entire workflow.
- Keep the headline short enough to read without opening the image.
- Increase contrast between the frame and its background.
- Remove interface details that expose customer or test data.
- Preview the image at approximately 360 pixels wide.
How to create a Facebook post mockup
- Choose the post objective.Decide whether the visual announces a launch, explains a feature, shows proof, or invites a next action.
- Select square or portrait.Pick the final feed shape before composing so the screenshot is not damaged by a late crop.
- Place the strongest screen.Crop around the feature or outcome the audience needs to understand.
- Add a browser or device frame.Use the frame for context, but keep the interface larger than decorative elements.
- Write one supporting line.Let the post copy carry the detail while the artwork communicates the core idea.
- Export and phone-check.Review type, product UI, and edge spacing at mobile feed size.
Start from a social canvas, add the product screenshot, and adjust the frame, crop, background, and copy.
Plan a carousel as one continuous story
Keep the dimensions, background family, frame scale, and headline position consistent. Change the screen and message—not the entire design system—between cards.
Organic post mockup versus ad creative
An organic post can rely on the surrounding caption and conversation. An ad needs to communicate more quickly across multiple placements. Reuse the same source design, but export ad variants separately and inspect every placement preview.
Use mockups to present your own product or clearly labeled concepts. Do not fabricate reactions, engagement numbers, account identity, or endorsements that could mislead viewers.
Facebook post mockup FAQ
What size should a Facebook post mockup be?
A 1080 × 1080 square is a flexible starting point. A 1080 × 1350 portrait canvas gives product screenshots more vertical room in mobile feeds. Always preview the final placement before publishing.
How do I make a Facebook post mockup readable on mobile?
Use one focal screenshot, short copy, large type, strong contrast, and enough space around the browser or device frame. Check the design at phone width before exporting.
Can I use the same design for an organic post and an ad?
You can reuse the visual system, but create separate exports. Ads may have different placement crops, calls to action, review requirements, and campaign variants.
Should a Facebook carousel use the same dimensions on every card?
Yes. Use one aspect ratio and consistent headline, background, and frame placement across the full sequence to avoid disruptive crops.