How to Prepare Images for Social Media: Size, Crop and Quality
Learn how to prepare images for social media: choose aspect ratios, keep subjects in safe areas, avoid blur from compression and export the right format.
5 min read

To prepare images for social media, crop them to the aspect ratio the platform displays, keep important content away from the edges, export at a size large enough to stay sharp after the platform compresses them, and use a format that suits the content. A few minutes of preparation prevents awkward automatic crops, blurry uploads and cut-off text.
Why images look worse after uploading
Social platforms process every image you upload. They resize it to fit their layouts, recompress it to save bandwidth and sometimes crop it in previews. If your file does not match what the platform expects, that processing is more aggressive, and the result can look soft, blocky or badly framed.
You cannot control the platform, but you can give it a file that survives the process well.
It also helps to remember where most people will see your image: on a phone, often while scrolling quickly. Details that look fine on a large monitor, such as small text, thin lines or a subject placed far off center, can disappear on a small screen. Preparing images for social media is as much about clarity at small sizes as it is about technical settings.
A note on platforms
Each network has its own layouts and handles uploads differently, and those details change over time. The principles in this guide stay the same, though: control the crop, give the platform enough pixels, keep the subject clear and avoid compressing the file twice.
Step 1: Choose the right aspect ratio
Aspect ratio, the proportion of width to height, matters more than exact pixel size, because it decides how the image is framed in the feed. Most platforms use a small set of common ratios:
| Aspect ratio | Shape | Typical use |
|---|---|---|
| 1:1 | Square | Feed posts, profile pictures, product grids |
| 4:5 | Vertical | Feed posts that take up more screen space on mobile |
| 9:16 | Tall vertical | Stories, reels and other full-screen mobile formats |
| 16:9 | Wide | Video thumbnails, link previews, banners |
| 1.91:1 | Wide | Link preview images on many sites |
| Very wide (about 3:1 to 4:1) | Banner | Profile cover and header images |
Exact recommended pixel sizes vary by platform and change regularly, so treat any numbers you find as typical and confirm the current guidance in each platform's help center before a big campaign. As a rule of thumb, exporting the shorter side at roughly 1080 pixels or more works well for feed posts on most platforms today.
Step 2: Crop with intention
- Crop before you upload. If you let the platform crop automatically, it may cut off heads, products or text.
- Keep a safe zone. In stories and full-screen formats, the top and bottom areas are often covered by profile names, captions and buttons. Keep text and faces away from those edges.
- Plan for circular crops. Profile pictures are usually shown in a circle. Center the face and leave space around it.
- Check the grid preview. Some profiles show posts as square thumbnails even when the post is vertical, so keep the main subject near the center.
Step 3: Make sure the image is large enough
Uploading an image that is too small forces the platform to enlarge it, which makes it look soft. Uploading a huge file is usually fine, but it gives the platform more work and sometimes leads to stronger compression.
Aim for the platform's typical display size or a bit larger. If your image is too small, for example a cropped section of a photo or an old picture, enlarge it with the Remove Photo Bg image upscaler. It increases the size 4× and reconstructs detail, so the upload starts from a sharper base. Our guide on fixing pixelated images explains when this works best.
Step 4: Clean up the image
Small distractions are more noticeable when an image is the only thing on screen. Before exporting, consider:
- Removing clutter. Brush over cables, trash, stray people or photobombers with the object remover, and the AI fills in the background.
- Isolating the subject. For product posts, announcements and thumbnails, cut out the subject with the background remover and place the transparent PNG on a branded color or template in Canva or a similar editor.
- Correcting light and color. A small boost in brightness and contrast helps images stand out on small screens, but avoid heavy filters that change product colors.
For more ideas on cutouts, read how to add a new background to a photo.
Step 5: Export with the right format and quality
| Content | Best format | Why |
|---|---|---|
| Photos | JPG at high quality | Small files, universally accepted |
| Graphics with text, logos, screenshots | PNG | Keeps sharp edges and text without compression blocks |
| Website and blog images shared on social | WEBP or JPG | WEBP is efficient for your own site; JPG is safest for uploads |
Upload support for WEBP varies between platforms, so JPG and PNG are the safest choices for posting directly. Use sRGB color, which is the standard for web and phone displays; other color profiles can make colors look dull after upload.
Avoid exporting at a low quality setting to make the file tiny. The platform will compress it again, and two rounds of heavy compression look much worse than one. See how to compress images without losing quality for balanced settings.
Step 6: Check the upload settings
- Some apps have an option to upload in high quality, especially on mobile data. Turn it on if you want the best result.
- Upload from the original file rather than a screenshot of the image.
- Preview the post before publishing to catch awkward crops.
- If text is blurry after upload, try a larger export or switch to PNG for that image.
Social media image checklist
- Cropped to the correct aspect ratio for the placement
- Faces and text inside the safe zone
- Large enough for the typical display size
- Distractions removed and subject clearly visible
- Exported as high-quality JPG for photos or PNG for graphics, in sRGB
- Previewed before posting
Clean, well-sized images get your message across faster. Start by tidying your next post with the free object remover or background remover from Remove Photo Bg, then export it using the steps above.