Instagram Post Mockup Generator — Create Realistic IG Post Previews
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12:00 PM · Jan 1, 2025
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Jane Doe
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Excited to announce our new product update! Let us know what you think in the comments.
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Alex Morgan• 1st
Product Designer & Design Systems Lead | Writing about UI/UX
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Most teams spend weeks perfecting their landing page but forget one crucial element: social proof that looks authentic. Here is what we learned from analyzing 500+ top performing SaaS posts.
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r/webdev•5 hr. ago
Posted byu/creative_coder
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We created a free open-source mockup generator that exports pixel-perfect social previews. Thoughts?
After spending countless hours taking screenshots and manually editing them in Figma, we built a zero-login browser tool that creates high-res mockups for Reddit, Twitter, Instagram, and more. Feedback appreciated!
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Design Realistic Instagram Feed Posts Online
Presenting social media proposals to clients or planning upcoming campaigns requires high-fidelity mockups that show exactly how imagery and captions interact in a real Instagram feed. The Instagram Post Mockup Generator delivers a dedicated client-side design environment tailored specifically for feed posts.
Easily upload square photography, write custom copy with formatted usernames, adjust engagement numbers such as like and comment counts, and test both dark and light modes. Everything happens instantly in your browser with zero sign-ups or server processing, keeping your work confidential and lightning fast.
Modern Feed Aesthetics
Accurate square 1:1 post layout with realistic Instagram icon bar (like, comment, share, save) and bold username captions.
Customizable Social Proof
Set custom like counts, comment metrics, and relative timestamps (e.g. "2 HOURS AGO") to simulate authentic audience engagement.
Image-First & Minimal Modes
Choose between Standard Feed Post, Image-Focus Post, or Minimal clean layout without distracting UI icons.
Studio Backdrops & Shadows
Frame your mockup with sleek color palettes, gradients, and subtle drop shadows before downloading clean PNG graphics.
Step-by-Step: Crafting an Instagram Post Mockup
Follow these steps to generate production-ready Instagram visuals:
Set Your Template: Pick Standard Post for standard feed layouts, Image Focus to highlight photography, or Minimal for clean editorial captures.
Profile Setup: Add your brand or personal account handle and upload an avatar to populate the header circle.
Upload Post Imagery: Upload your 1:1 image or graphic. The preview automatically adapts to fit standard Instagram aspect ratios.
Write Your Caption: Type your post caption. The preview automatically formats your username in bold ahead of your copy, accurately replicating Instagram's native caption flow.
Adjust Engagement & Timing: Customize likes count (e.g., "1,420 likes"), comments, and timestamp text (e.g., "3 HOURS AGO").
Backdrop & Export: Pick a background gradient or transparent stage, toggle soft shadows, and export a high-resolution PNG file.
Frequently Asked Questions About Instagram Mockups
Select "Instagram" in the platform selector at the top of the editor. Upload your post image, enter a caption, set your username, and adjust the likes and comments count. Click Download to export the mockup as PNG.
Currently the tool generates standard square Instagram post mockups. Stories and Reels support, with the correct vertical 9:16 format, is planned for a future update.
The standard Instagram feed post format is square (1:1 aspect ratio). The mockup accurately reflects this. Portrait (4:5) and landscape (1.91:1) format options are planned for a future release.
Yes, automatically. The caption area renders your username in bold followed by your caption text, which is exactly how Instagram displays captions in its native interface.
Yes. In the Metrics section, enter any number for Likes and Comments. The mockup displays them in the correct format — for example, "1,234 likes" and "View all 42 comments".
Ready to create your Instagram mockup?
Scroll up to the interactive workspace to design your post right now.