Why Instagram's 2025 Image Size Changes Matter for Your Business
The Instagram image size update has rolled out across profiles worldwide, shifting from the classic 1:1 square grid to a taller 3:4 preview format. Here's what you need to know right now:
Key Changes at a Glance: - Grid Preview: Now 3:4 ratio (1015 × 1350 px) instead of 1:1 square - Feed Upload Limit: Still maxed at 4:5 ratio (1080 × 1350 px) - New Support: 3:4 aspect ratio (1080 × 1440 px) now accepted - Profile Photos: Bumped to 400 × 400 px for sharper display - Stories/Reels: Unchanged at 9:16 (1080 × 1920 px)
"A few months ago, I created an Instagram Reel that (I thought) looked great when I was making it—only to find a sliver of the text got cut off at the edge," shares one content creator who experienced the sizing confusion firsthand.
This isn't just a minor tweak. Instagram made these changes to keep up with 4K displays, match phone camera ratios, and improve cross-platform sharing. With over 50% of Instagram feeds now filled with AI-recommended Reels, the platform is betting big on vertical content that fills modern smartphone screens.
The catch? Your content needs to look good in both the new taller preview and the legacy square format, since not all users have received the update yet. That means centering key elements and leaving padding around your designs.
Meet the New 3:4 Grid: What Changed and Why
Instagram's Instagram image size update marks the platform's biggest visual shake-up since 2015, when they first let us break free from those rigid square crops. The new 3:4 preview format (1015 × 1350 px) is officially replacing the classic 1:1 square grid that's been Instagram's signature look for over a decade.
Here's the thing that might surprise you: Adam Mosseri, Instagram's head honcho, explained that this change simply reflects reality. Most content people share these days already goes beyond that 1:1 square format anyway. The platform is basically catching up with how we actually use our phones and create content.
This shift isn't happening in isolation. Instagram is playing the long game here, preparing for 4K displays and the super-crisp screens that are becoming standard on smartphones. Plus, with AI-recommended Reels now making up more than half of what shows up in your feed, the platform needed a layout that works better with vertical content.
According to research on mobile screen readability, taller content formats actually improve user engagement on mobile devices—which makes perfect sense when you think about how we naturally scroll through our phones.
How the 3:4 Preview Differs from 1:1
The change is pretty dramatic when you see it in action. Instead of those perfect little squares, your profile grid now displays taller rectangles that show way more of your vertical content. It's like getting a sneak peek instead of just seeing a tiny square window.
Preview cropping works differently now too. The system centers your content in that taller space, which means if you've been designing with the old square format in mind, some of your carefully planned layouts might look a bit off.
Centering becomes absolutely critical because your content needs to look good in both the new tall format and the old square format (since not everyone has the update yet). Think of it like designing for two different picture frames at once.
The padding around your designs isn't optional anymore—it's essential. If you don't leave buffer space around the edges, important text or visual elements might get cut off depending on which version of the grid someone's seeing.
Why Instagram Switched to Taller Previews
Instagram didn't make this change on a whim. Several practical factors pushed them toward taller previews, and they all come back to making the app easier and more enjoyable to use.
Phone cameras naturally shoot in 3:4 anyway, so this update eliminates that annoying step where you had to crop your photos before posting. It's one of those "why didn't they do this sooner?" moments that makes perfect sense once you think about it.
User behavior has been trending vertical for years now. We scroll up and down on our phones, not side to side. Taller previews feel more natural and let you see more content at a glance without losing the important stuff at the top or bottom of your images.
Cross-platform parity is huge for content creators and businesses. Now you can create something once and share it across Instagram, Facebook, and TikTok without dealing with awkward cropping or quality loss. That's a massive time-saver for anyone managing multiple social media accounts.
Instagram Image Size Update 2025: Complete Cheat Sheet
Let's cut through the confusion and get straight to the numbers. The Instagram image size update brings several new dimensions while keeping your existing content looking great. Think of it as Instagram's way of future-proofing your visuals without breaking what already works.
The biggest change? Instagram now accepts 3:4 images (1080 × 1440 px) alongside the familiar 4:5 format. Your profile photo also got a resolution boost to 400 × 400 px—finally matching those crisp 4K displays we're all using.
Here's what matters most: Feed posts can now be 1080 × 1350 px (4:5) or 1080 × 1440 px (3:4) for portraits, 1080 × 1080 px for squares, and 1080 × 566 px for landscapes. Stories and Reels stay at 1080 × 1920 px (9:16), while profile photos jump to 400 × 400 px. For advertising, stick with feed dimensions for single posts and 1440 × 2560 px for Stories ads.
The beauty of this update? You don't need to panic about your old content. Instagram designed these changes to work with your existing posts, not against them.
Feed & Carousel Dimensions After the Instagram Image Size Update
The Instagram image size update keeps things familiar while adding flexibility. Your maximum upload size remains 1080 × 1350 px (4:5) for portraits, but now Instagram also welcomes 1080 × 1440 px (3:4)—the exact ratio your phone camera captures.
Portrait posts work beautifully in both formats. The 4:5 ratio gives you maximum screen space and feels more "Instagram-native," while 3:4 preserves your original camera framing without any cropping. Perfect for those moments when every pixel of your shot matters.
Landscape posts haven't changed—stick with 1080 × 566 px (1.91:1) for wide shots, product spreads, or group photos where horizontal space tells the story better.
Square posts at 1080 × 1080 px still work perfectly. They're especially great for centered compositions, quotes, or maintaining visual consistency with your older content. Don't feel pressured to abandon squares just because they're not the "new" format.
Carousel behavior has one important rule: your first image sets the crop for everything that follows. Start with a portrait? Instagram adds white bars to any landscape or square images in that set. For the cleanest look, keep all carousel items at the same dimensions.
Stories, Reels & Covers in the Instagram Image Size Update
Stories and Reels stick with their full-screen 9:16 format at 1080 × 1920 px—no changes here since they're built for that immersive, phone-filling experience.
The safe zone rule still applies: keep your text and important graphics about 310 pixels away from the top and bottom edges. Instagram's interface elements (like usernames and buttons) can cover anything too close to the edges.
Reels covers create an interesting situation. While your Reel plays in 9:16, the cover thumbnail appears in your grid preview. With the new 3:4 grid, make sure your cover's key elements sit in the center square area to avoid awkward cropping.
You can always edit your Reel cover after posting. Just tap the three dots, select Edit, then Cover to choose a different frame or upload a custom square image that works perfectly in the grid.
Profile Pictures and Pin Banners
Your profile photo got a nice upgrade from 320 × 320 px to 400 × 400 px. This might seem small, but it makes a real difference on high-resolution screens—your logo or headshot will look noticeably sharper.
Since profile photos display as circles everywhere on Instagram, center your important elements. Logos, faces, or key graphics should sit comfortably in the middle to avoid getting cut off by the circular crop.
Pin banners need some rethinking with the new 3:4 grid. Those carefully designed graphics that span across your top row might look different now. Consider simpler designs or solid color blocks that adapt well to both the new and old grid formats.
For brand consistency, update your profile photo templates to 400 × 400 px and add extra padding around logos or text. This ensures your brand looks professional whether someone's viewing on the latest iPhone or an older Android device.
Aspect Ratios vs Pixel Dimensions: Getting Technical
Let's clear up the confusion between aspect ratios and pixel dimensions—it's simpler than you think! An aspect ratio is like the shape of a picture frame (4:5 means 4 units wide by 5 units tall), while pixel dimensions tell you exactly how many tiny dots make up that frame (like 1080 × 1350 pixels).
Think of it this way: aspect ratio determines the shape of your content, while pixel dimensions determine how sharp it looks. Both matter for the Instagram image size update, but understanding when each one takes priority will save you hours of frustration.
Instagram accepts JPG, PNG, BMP, and non-animated GIF files for photos, plus MOV and MP4 for videos. For the crispest results, stick with high-quality JPG or PNG files—your followers will notice the difference on their phone screens.
Here's something most creators don't know: Instagram works best with images exported at 150–300 DPI. While the platform applies its own compression, starting with sharp originals helps your content survive that processing and look professional across all devices.
For a deeper historical look at how aspect ratios evolved, check out this concise overview on Wikipedia).
Why Aspect Ratios Matter More Than Resolution
Here's where it gets interesting: aspect ratios control everything about how your content displays, while pixel dimensions just affect quality. When you upload an image, Instagram looks at the shape first, then scales it to fit.
Let's say you upload a 4:5 aspect ratio image. Whether you created it at 1080 × 1350 pixels or 2160 × 2700 pixels, it will appear as the same tall rectangle shape in feeds. The higher pixel count just makes it sharper—the proportions stay identical.
But here's the catch: if your image doesn't match Instagram's expected aspect ratios, the platform will automatically crop it to fit. Upload a wide 16:9 landscape photo to your feed, and Instagram might chop off the sides to make it work. That's why understanding these ratios prevents your important content from disappearing.
Device scaling happens behind the scenes too. Your 4:5 image looks proportionally perfect on both basic smartphones and high-end tablets, even though those screens display different pixel densities. The aspect ratio stays consistent—that's the magic.
Export Settings to Keep Quality High
Getting your export settings right makes all the difference after the Instagram image size update. These aren't just technical details—they're the difference between content that looks amateur and content that stops the scroll.
Always use the sRGB color space when exporting. This ensures your brand colors look the same whether someone views them on an iPhone, Android, or desktop. Nothing ruins a carefully planned aesthetic like colors that shift between devices.
Start with 1080 pixels width as your baseline. Instagram scales images down from this resolution, so beginning with this standard gives you the best quality after compression. Going smaller means losing detail; going much larger just increases file size without visual benefit.
While Instagram doesn't support 4K uploads yet, the platform is clearly preparing for higher resolutions. Creating content at 1080p ensures your visuals will still look great as Instagram continues evolving its display capabilities.
Find your compression sweet spot by testing a few export settings. Images that are too compressed look pixelated and unprofessional. Files that are too large might get hit with additional compression during upload, potentially making them look worse than a properly optimized smaller file.
Strategy Shifts & Best Practices for the Taller Grid
The Instagram image size update has changed the game for content creators and brands alike. If you've been creating content for years, you might feel like you're starting over—but here's the good news: adapting to the new 3:4 grid is more about refining your approach than completely overhauling it.
Think of this transition like rearranging furniture in a room that got taller. Your content is still great; it just needs to be positioned differently to look its best. The key is understanding that your posts now need to work beautifully in both the new taller preview and the classic square format, since Instagram is rolling out this change gradually.
Content batching becomes your best friend during this transition. Instead of creating posts one by one, design several at once using updated templates that account for the new dimensions. This approach ensures visual consistency across your profile while saving you time in the long run.
Popular design tools like Canva have already updated their Instagram templates to include the new sizing options. If you're still using old templates, now's the perfect time to refresh them. Focus on centering key elements within the middle portion of your designs—this creates a "safe zone" that looks great regardless of which grid format your followers see.
Buffer space around your designs isn't just helpful; it's essential. Leave extra padding around text, logos, and important visual elements. This prevents that frustrating moment when you realize your carefully crafted headline got cropped at the edges.
Instagram Strategy for Business Growth
Adapting Your Content Workflow
Successfully navigating the Instagram image size update requires some thoughtful adjustments to how you create and schedule content. The good news? Once you make these changes, your workflow will actually become more efficient.
Template updates should be your first priority. Whether you use Photoshop, Canva, or another design tool, create master templates for each type of content you regularly post. Include guidelines for text placement, logo positioning, and safe zones.
Workflow automation tools like Buffer, Hootsuite, or Later now preview how your posts will appear in the new grid format. Take advantage of these preview features before hitting publish. It's much easier to catch and fix formatting issues during the scheduling phase than after your post is live.
Batch creation becomes even more valuable with the new dimensions. Design multiple posts in one session using consistent spacing and proportions. This approach maintains visual cohesion across your profile while maximizing your creative efficiency.
Common Mistakes to Avoid in the New Layout
We've seen plenty of brands stumble during this transition, but the mistakes are easily avoidable once you know what to watch for.
Key text cut-off is the most common issue we encounter. Placing important headlines, calls-to-action, or contact information too close to the edges results in awkward cropping in the 3:4 preview. Always position critical text within the center portion of your design.
Ignoring safe zones creates inconsistent visual experiences for your audience. Some followers see your content perfectly framed, while others see it cropped. Designing with safe zones ensures everyone gets the same polished experience.
Many brands panic and consider deleting old posts to maintain grid consistency. This is unnecessary and actually harmful to your account's performance. Your existing square posts represent valuable engagement history and content investment.
Inconsistent carousel ratios create jarring visual transitions as users swipe through your multi-image posts. If your first image is portrait-oriented, make sure the subsequent images follow the same proportions.
Cross-Platform Consistency
The Instagram image size update actually makes cross-platform content sharing easier, but it requires strategic thinking about how your content will appear across different social channels.
Facebook integration has improved significantly with the new Instagram dimensions. The 4:5 and 3:4 formats translate well to Facebook's image requirements, making cross-posting more seamless for brands managing multiple social accounts.
TikTok compatibility offers interesting opportunities. While TikTok's primary format remains 9:16 for videos, the platform's photo carousels and static content work beautifully with Instagram's new 3:4 format.
Develop a repurposing strategy that starts with creating master content in the 4:5 or 3:4 format, then adapting it for other platforms rather than creating unique content for each channel. This approach maintains brand consistency while maximizing your content investment.
FAQs on the Instagram Image Size Update
Do I need to delete or archive my old square posts?
Absolutely not! Your existing square posts are perfectly fine exactly where they are. The Instagram image size update is rolling out gradually, which means plenty of your followers are still seeing the classic 1:1 grid format they've always known.
Think of it this way: those older posts represent months or years of engagement, comments, and saves. They're valuable pieces of your brand's story. Deleting them would be like tearing pages out of a book just because you got a new bookmark.
Instead of worrying about your past content, focus your energy on creating new posts that work beautifully in both grid formats. Your profile will naturally evolve over time as you add more optimized content to the mix.
Can I upload a true 3:4 image?
Yes, you absolutely can! This is actually one of the most exciting parts of the Instagram image size update. Instagram now accepts the 3:4 aspect ratio (1080 × 1440 px) that matches exactly what your phone camera captures.
Remember those frustrating moments when you'd take the perfect photo, only to have Instagram force you to crop out important details? Those days are behind us. You can now upload your photos straight from your camera roll without any awkward cropping or stretching.
That said, the 4:5 format (1080 × 1350 px) is still the maximum upload size and often looks fantastic on mobile screens. Both options work well—it really comes down to your content and what looks best for your brand aesthetic.
How does the new grid affect carousel covers and Reels thumbnails?
Here's where things get interesting. Your carousel covers and Reels thumbnails now appear in that taller 3:4 preview format on your profile grid. This means your audience can see more of your vertical content right from your main page, which is generally a good thing.
But here's the catch: you need to be strategic about where you place text and important visual elements. Since some people still see the square format while others see the new taller preview, your content needs to look good in both versions.
For Reels specifically, center your most important text and graphics within the middle square area of your cover image. This creates a "safe zone" that looks great regardless of which grid format someone is viewing.
The good news? You're not stuck with whatever cover Instagram automatically selects. You can change a Reel's cover after posting by tapping the three dots menu, selecting Edit, then Cover. From there, you can choose a different frame from your video or upload a completely custom image that's optimized for the new grid format.
Conclusion
The Instagram image size update marks a turning point for social media marketing. What started as a simple grid change has evolved into Instagram's bold statement about the future of mobile content. This isn't just about new dimensions—it's about creating content that truly connects with your audience on the devices they use most.
Think about it: when someone finds your brand on Instagram, your grid is often their first impression. The new 3:4 preview format gives you more space to make that impression count. Your vertical photos show more detail, your graphics have room to breathe, and your overall aesthetic gets a professional boost that simply wasn't possible with the old square constraints.
The beauty of this transition lies in its flexibility. You can use 1080 × 1350 px (4:5) or 1080 × 1440 px (3:4) for feed posts without worrying about awkward cropping. Center critical elements within the safe zone and you're covered for both new and legacy grid formats. Update profile photos to 400 × 400 px for that crisp, professional look that builds trust at first glance.
Here's what we love most about this update: it rewards smart planning over frantic redesigning. You don't need to delete existing square content—your audience values that engagement history. Instead, focus on optimizing future posts while leveraging the improved cross-platform sharing capabilities that make your workflow smoother than ever.
The brands winning right now are those treating this transition as an opportunity rather than an obstacle. While others scramble to figure out the new dimensions, forward-thinking companies are already creating stunning content that looks incredible in any format. They're building stronger visual identities and seeing improved engagement because their content simply looks more professional.
At SocialSellinator, we've been helping businesses steer platform changes like this Instagram image size update since day one. We know that staying ahead of social media evolution isn't just about knowing the latest dimensions—it's about understanding how these changes fit into your bigger marketing picture.
The truth is, most businesses don't have time to become Instagram sizing experts. They're busy running their companies, serving customers, and growing their bottom line. That's where we come in. Our team stays on top of every platform update, algorithm change, and best practice shift so your social media presence never misses a beat.
Ready to turn this Instagram image size update into a competitive advantage? We'll help you adapt your content workflow, update your design templates, and maintain that visual consistency that makes brands memorable. Because when your Instagram looks professional and polished, everything else—engagement, followers, conversions—naturally follows.
Headquartered in San Jose, in the heart of Silicon Valley and the San Francisco Bay Area, SocialSellinator proudly provides top-tier digital marketing, SEO, PPC, social media management, and content creation services to B2B and B2C SMB companies. While serving businesses across the U.S., SocialSellinator specializes in supporting clients in key cities, including Austin, Boston, Charlotte, Chicago, Dallas, Denver, Kansas City, Los Angeles, New York, Portland, San Diego, San Francisco, and Washington, D.C.