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.

Nothing stings more than spending hours perfecting a photograph, only to upload it to Facebook and watch it turn into a blurry, pixelated version of its former self. You’re not imagining it - Facebook aggressively compresses images, but thankfully, you have more control over the outcome than you think. This guide will walk you through the exact steps to prepare and upload genuinely high-definition photos to Facebook from your computer and phone, so your images always look sharp and professional.
Before jumping into the fixes, it helps to understand why this happens in the first place. Facebook is one of the largest media repositories on the planet, handling hundreds of millions of photo uploads every single day. To manage that enormous amount of data and make sure the platform loads quickly for its billions of users - many on slower mobile connections - it automatically compresses every image you upload.
Think of it as squeezing a large file into a smaller package to save space and speed up delivery. The problem is, this "squeezing" process discards some of the original image data, which can result in softness, weird-looking artifacts, and a general loss of sharpness. You can't turn this compression off entirely, but you can give Facebook a perfectly optimized file that starts at such a high quality that even after compression, it still looks fantastic. That’s the secret we’re going to master.
The most important part of this entire process happens before your photo ever touches Facebook. Getting your image settings right in your editing software - whether it's Photoshop, Lightroom, or a free tool like Canva - is foundational. Don't skip these steps!
The format you save your file in makes a big difference. For 99% of photographs, a universal JPG (or JPEG) is the perfect choice. It offers the best balance between quality and file size for complex images with lots of colors and gradients. When exporting your photo, look for a quality slider or setting. Don’t crank it to 100 or "Maximum," as this creates an unnecessarily massive file. Instead, aim for a quality of around 80% or 10 on a 12-point scale. This provides an excellent visual result without the excessive file size that triggers the harshest compression.
If your image contains text, sharp lines, or large areas of flat color (like a logo or graphic), a PNG file is a better option. PNGs handle these details a bit more gracefully, though the file sizes are usually larger.
Bottom Line: For photos, use JPG. For graphics or images with text, use PNG.
This is arguably the most common mistake people make. Uploading a full-resolution, 50-megapixel photo directly from your camera is asking Facebook to crush it into oblivion. You'll get much better results by resizing the image yourself before you upload it.
Facebook's algorithm treats photos of a certain size better than others. By resizing to its preferred dimensions, you’re doing some of the work, which means its compression algorithm has to do less, leading to a cleaner final image.
By resizing your image properly, you prevent Facebook’s crude resizing tools from guessing and making a mess of your intricate details.
Ever uploaded a photo with gorgeous, vibrant colors, only for them to look dull and muted on Facebook? The culprit is almost always the color profile.
In simple terms, a color profile is a set of data that tells a device how to interpret the colors in your image. Professional cameras often shoot in color profiles like Adobe RGB or ProPhoto RGB, which contain a very wide range of colors. However, web browsers and mobile devices are standardized to display images in the sRGB color profile.
If you upload an image with an Adobe RGB profile, Facebook (and the viewer's browser) doesn't know how to correctly display all those extra colors, making the photo appear flat. The fix is simple: in the export settings of your editing software, always make sure the color profile or color space is set to sRGB. This tiny checkmark preserves the color accuracy of your images when viewed online.
Once your photos are perfectly prepared, there’s one last piece of the puzzle: telling the Facebook app itself that you want to upload high-quality media. Interestingly, these settings are most prominent and effective on the mobile app.
This is where the most direct setting for high-quality picture uploads lives. If you upload even semi-regularly from your phone, changing this setting is non-negotiable. It’s a one-time change that makes a permanent difference.
Here’s how to enable it on both iOS and Android:
That’s it. From now on, any photo you upload from your phone will default to the highest possible quality.
The desktop version of Facebook handles things a bit differently. There isn't a universal "Upload HD" toggle in the main settings like there is on mobile. Desktop settings are more focused on video playback quality.
Does that mean you can't upload HD photos from your computer? Absolutely not! For desktop users, the "Pre-Upload Prep" steps we covered earlier are 90% of the battle. If you resize your photo to 2048px wide and save it as a high-quality sRGB JPG, it will look excellent.
However, there is one fantastic trick for desktop users that gives you an extra edge, especially when uploading multiple photos...
Whether you’re on desktop or mobile, you can get even better quality by using photo albums instead of making a standard photo post. When you create an album, Facebook gives you a dedicated option to prioritize quality from the start.
Here's how it works:
Using the album feature seems to signal to Facebook’s algorithm that these images are meant to be preserved a bit more carefully than a casual feed photo. Many professional photographers and creators swear by this method for getting the absolute sharpest results.
Uploading crisp, clear photos to Facebook isn't about finding a single secret button - it's a two-part process. First, you take control by preparing your images with the right dimensions, format, and color profile. Then, you simply tell the Facebook app you want to prioritize quality by enabling the HD upload setting in the app’s media preferences. Master both, and you'll never have to worry about blurry photos again.
Nailing your image quality is the first step toward a polished, professional social media presence. Once you have beautiful content ready to go, the next challenge is managing it consistently across all your platforms. For that, we built Postbase to make a powerful content strategy more achievable. You can upload all of your prepared media once and visually plan your posts for all your channels on a simple calendar, helping you stay organized and always look your best online without the stress.
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