How to Add Social Media Icons to an Email Signature
Enhance your email signature by adding social media icons. Discover step-by-step instructions to turn every email into a powerful marketing tool.

There's nothing more frustrating than crafting the perfect photo or video, only to upload it to Instagram and watch it turn into a blurry, pixelated mess. If you've ever wondered why your high-quality content suddenly loses its sharpness on your feed, you're not alone. This guide breaks down exactly why it happens and gives you the actionable steps to make sure every single post you share is crystal clear.
Before we get into the fixes, it helps to understand what's happening behind the scenes. The primary culprit for blurry posts is Instagram's data compression algorithm. Every day, hundreds of millions of photos and videos are uploaded to the platform. To manage all that data and ensure the app loads quickly for everyone, Instagram automatically compresses every file you upload.
If your photo or video doesn't match Instagram's specific requirements for size, aspect ratio, and file type, its compression algorithm has to work overtime. It will aggressively resize, crop, and compress your file, which often results in a significant loss of quality, leading to that dreaded blurriness.
Essentially, the goal is to give Instagram a file that is already perfectly optimized. When you do the work upfront, Instagram has to do less compressing, and your image quality stays high.
A high-quality post starts with a high-quality source file. You can't fix a blurry photo if it was blurry to begin with. Here's how to set yourself up for success from the moment you click the shutter.
This is the most important step in the entire process. If you upload a photo that doesn't match Instagram's preferred dimensions, the app will crop and compress it for you, wrecking its quality. Your goal is to upload a photo that is exactly the right size so Instagram barely has to touch it.
The golden rule for Instagram is to keep the width of your image at 1080 pixels. If your image is wider, Instagram will shrink it down. If it's narrower, Instagram might stretch it up. Both are bad for quality.
Here are the exact pixel dimensions to use for each post type:
Pro Tip: Always favor the Portrait (4:5) format. It takes up the most vertical space on a user's screen as they scroll, making your content more impactful and engaging. Most phones naturally shoot in a 4:5 or similar vertical aspect ratio, making this an easy win.
As for file size, try to keep your images under 1MB if possible, though Instagram can handle larger files. Exporting directly to the dimensions above usually gets you into a safe file size range without sacrificing much quality.
Now that you know the target dimensions, you need a way to resize your photos without losing clarity. Don't rely on the cropping tool in the Instagram app - do it before you upload.
You've done all this hard work to create a perfectly optimized image, but you can ruin it all in the final step. How you get the photo from your computer (or camera) to your phone for posting matters.
Do NOT use methods that compress files by default:
Instead, use a lossless transfer method:
The same principles apply to video, but with a few extra considerations. Blurry videos are usually caused by incorrect resolution, aspect ratio, or bitrate settings.
Here's your checklist for clear, sharp Reels and video posts:
Feeling overwhelmed? Just follow this simple checklist every time you post:
Preventing blurry uploads comes down to control. By optimizing your images and videos before they ever touch Instagram's app, you take the power away from its compression algorithms and make sure your content is displayed exactly as you intended. It might seem like a few extra steps, but soon it'll become second nature, and the payoff is a professional, high-quality feed that captivates your audience.
At Postbase, we sweat the technical details of content so you don't have to. Our platform is built specifically for the demands of modern social media, like Reels and Stories, handling tricky formats and compression issues behind the scenes. This way, you can just upload your crisp content once and schedule it across all your platforms, trusting it will go live looking as sharp and professional in the feed as it did on your camera roll.
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