The right social media image sizes are the first thing that makes a design look professional rather than amateur. An image uploaded at the wrong dimensions gets squashed, cropped at the edges, has unreadable text, or turns blurry. Every platform has its own aspect ratio and recommended pixel value; in this guide I cover the current sizes platform by platform and how to manage them all with a single template approach.
Think in aspect ratio, not pixels
When platforms rescale an image to fit the screen, they preserve the aspect ratio, not the pixel count. So 1080×1080 and 2000×2000 look the same; both are 1:1 squares. That is why designing by ratio is safer than memorizing exact pixel numbers.
- 1:1 — square; the classic feed-post format.
- 4:5 — portrait; takes up the most space in a mobile feed.
- 9:16 — full vertical; stories, reels, shorts and TikTok.
- 16:9 — landscape; YouTube and link previews.
- 2:3 — tall portrait; Pinterest pins.
In practice I always build designs with the longest edge at 1080 pixels or more, keeping the ratio fixed. That keeps things sharp and makes scaling down easy when needed.
Instagram is where size mistakes happen most, because there are three separate ratios: square, portrait and story.
- Square post: 1080×1080 (1:1).
- Portrait post: 1080×1350 (4:5) — fills the most screen area in the feed, so it gets the highest visibility.
- Story / Reels: 1080×1920 (9:16). Roughly the top 250 px and bottom 340 px can be covered by interface elements; keep important text in the central safe zone.
- Profile photo: cropped to a circle; upload at least 320×320.
Facebook and X (Twitter)
On Facebook, the standard for a shared link image is 1200×630 (about 1.91:1), which is also the Open Graph preview ratio. The cover photo is cropped differently on desktop and mobile, so keep text centered.
On X (Twitter), landscape images look best at 16:9, and 1600×900 is a safe choice. The profile header uses 1500×500. Link cards again rely on the 1200×630 / 1.91:1 ratio.
LinkedIn, YouTube and Pinterest
- LinkedIn shared image: 1200×627 (~1.91:1). Company logo 300×300, cover image 1584×396.
- YouTube thumbnail: 1280×720 (16:9) — at least 640 px wide, and the file must stay under 2 MB.
- YouTube channel banner: 2560×1440; but the area visible on all devices is the central 1546×423 region, so put your logo there.
- Pinterest pin: 1000×1500 (2:3) is ideal; longer pins can get truncated in the feed.
File format and quality
Format matters as much as size. A few practical rules:
- PNG — for sharp-edged logos, flat-color graphics and text-heavy images.
- JPG — for photos and gradient-heavy images; the file gets much smaller.
- WebP — better compression on web pages, though some platforms re-encode it on upload.
- Because platforms recompress your image, uploading at a slightly higher resolution (e.g. 2x) and keeping text crisp helps preserve quality.
One template, many formats
Instead of drawing every image from scratch, the most efficient method is to set up a master template in Figma, Canva or Photoshop and duplicate the ratios as separate pages/artboards. Here is how I work:
- Define brand colors and fonts once, as styles.
- Create a separate frame for each ratio: 1:1, 4:5, 9:16, 16:9.
- Keep key content (logo, headline, call to action) in the central safe zone across all of them so it fits everywhere without being cropped.
- Bind color and typography as components/styles so changing the brand updates them all.
To set up the same logic in a CSS interface, aspect-ratio is very handy:
.thumb {
aspect-ratio: 16 / 9;
width: 100%;
object-fit: cover;
}This rule keeps the image at its ratio and crops the overflow — exactly what social platforms do. If you build your design around that behavior, you avoid surprise crops.
Frequently Asked Questions
Is a single image enough for every platform?
If you want to get by with one image, a 1080×1080 square is the safest common denominator and looks acceptable almost everywhere. But using 4:5 portrait on Instagram, 9:16 for stories and 16:9 on YouTube noticeably increases visibility. Ideally you build the main design once and adapt it to the ratios.
Why does my image upload blurry?
Usually for two reasons: the resolution is lower than the platform expects, or the file is so heavy that the platform compresses it aggressively. The fix is to upload a reasonably sized file (a few hundred KB to 2 MB) at or slightly above the recommended pixel value.
Does aspect ratio or pixel size matter more?
Ratio first. Get the ratio right and there is no cropping; keeping the pixels high enough only guarantees sharpness. Consider both together: correct ratio plus a longest edge of 1080 px or more.
Want your visuals to look sharp and on-brand on every platform? For help with a social media template set and image design, get in touch with me.