Tutorial "HOW TO"

How to Add Your Design to a Phone Case Mockup in Photopea

photopea tutorial

You’ve got your dream phone case design ready—your colors are popping, your vibe is vibing—and now all that’s left is to show it off. But wait…
You don’t have Photoshop. 😬

No worries! Enter Photopea — the free, browser-based Photoshop alternative that’s about to become your new best friend. If you’ve been googling “how to add my design to a mockup without Photoshop” while stress-eating snacks, you’ve officially found the right tutorial.

In this Photopea phone case mockup tutorial, I’ll walk you through exactly how to add your design to a mockup like a pro (even if this is your first time touching a PSD file). No downloads, no subscriptions, no confusion — just real results that’ll make your Etsy shop or website look chef’s kiss.

Try 3 Free Phone Case Mockups from BoostMockups

👉 Bonus: You can try 3 free phone case mockups here from BoostMockups to follow along. Yup — completely free, totally beginner-friendly, and made to impress your future customers.

Let’s get into it — your perfect product photo is just a few clicks away!

✅ What You’ll Need

Before you jump in, make sure you have:

Step 1: Open Your PSD Mockup in Photopea

  1. Go to Photopea

  2. Click “File → Open” or “Open From Computer”

open file photopea
  1. Upload the PSD mockup you downloaded from BoostMockups

Photopea will load the mockup with all its layers, just like Photoshop — it’s basically magic.

Step 2: Locate the Smart Object Layer

In the Layers panel (on the right side):

  1. Look for a layer labeled double click or Smart Object

  2. It usually has a small square white icon — double-click it
    💡 This will open a new tab with the editable design space

Step 3: Add Your Design

  1. Once the smart object opens in a new tab, drag and drop your phone case design (PNG) onto the canvas

drag design photopea
drag design photopea
  1. Resize and center it as needed

resize center design photopea
  1. When you’re happy with the placement, click File → Save (Smart Object) or press Ctrl+S (Cmd+S on Mac)

    🎉 This will update the original mockup with your design automatically!

apply design photopea

Step 4: Save Your Final Mockup

  1. Go back to the original mockup tab — you’ll see your design beautifully placed on the phone case

  2. Click File → Export As → PNG or JPG

  3. Download your final product image, ready for Etsy, your website, or social media

export file jpg png photopea
exported results photopea

Cha-ching! Your case just got Boosted.⚡️

iPhone mockup design

Try It with Free Mockups from BoostMockups

Want to practice with real, high-quality mockups?
👉 Click here to download 3 free phone case mockups — they’re made to work perfectly in Photopea and come with smart object layers for easy editing.

Whether you’re brand new to mockups or just looking for a faster workflow, this Photopea phone case mockup tutorial is the easiest way to create stunning product images that sell.

Reading feels like homework? No stress — video tutorial’s got your back.

Save your brain cells and watch our step-by-step video instead. It’s like a mockup makeover show, but shorter and sassier. Click for the magic

you got this

🛍️ Ready to make your listings stand out?

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