Mockup Generator — turn screenshots into polished mockups
The mockup generator drops your screenshot or product image into a clean frame (browser window or phone), then adds a gradient background, padding and shadow — one click to export a mockup for portfolios, social posts and landing pages. Design Cat composites it all locally; your image is never uploaded.
Drop an image, or click to choose
Stays in your browser
How to use mockup generator
- 1Drop in an image (web screenshot, app shot, product image).
- 2Pick a frame: browser window / phone / plain.
- 3Choose a gradient background and adjust padding.
- 4Hit Download mockup to save a PNG.
Why use Design Cat's Mockup Generator?
- No asset packs: frames are drawn in code — crisp at any resolution.
- Local compositing: images aren't uploaded; instant and private.
- Ready to ship: great for portfolios, Product Hunt and social posts.
Frequently asked questions
What image sizes work?
Common screenshot and product sizes work; it composites at your image's resolution. For very large images, compress to a sensible size first.
I want more realistic scene mockups.
This tool uses code frames (browser / phone) for clean, crisp shots. For thousands of real photographic scenes — tees, storefronts, gift boxes — check a dedicated mockup library.
Updated · design cat team