Most good photos of a person are tall. Phones shoot 3:4, photographers like 2:3, and a half-body shot with crossed arms almost never comes out square. Then you set it as your WhatsApp DP or LinkedIn photo, and the app hands you a fixed circle to drag around. Either the top of your hair goes or your arms do.
I wanted to see exactly what gets lost and whether padding the photo first is worth it, so I ran one real portrait through the whole thing and checked the result in a circle before uploading anywhere.
What the app actually does with your photo
Profile pictures are stored as squares and displayed as circles. SquareImage's Full DP Maker page lists the stored sizes it designs for: 640 × 640 on WhatsApp, 512 × 512 on Telegram, 320 × 320 on Instagram and Facebook. LinkedIn shows your photo as a circle as well. Whatever you send gets downscaled, so a 6,000-pixel upload buys you nothing except a slower upload.
That gives you two separate losses:
- The square crop. A 2:3 photo forced into 1:1 loses a third of its height. On my test photo (3760 × 5640) that's 1,880 pixels of hair, forehead or arms.
- The circle mask. A circle inside a square covers π/4 of it, about 78.5%. The four corners are always gone, on every platform that shows round avatars.
You can't avoid the second one, but you can avoid the first: make the photo square yourself, without cropping, and then keep the subject away from the corners.
Squaring the photo with the Full DP Maker
The test file was a CC0 headshot from Wikimedia Commons: 3760 × 5640, 11.6 MB, a man in a blue shirt with crossed arms against a dark backdrop. That's a typical "photographer sent me the full-res file" situation.
1. Add the photo
Open the Full DP Maker and drop the photo in, pick it with the button, or paste it from the clipboard. The square is drawn on a canvas in your browser, so the 11.6 MB original never leaves your machine.
2. Choose what fills the empty sides
You get three options: Blur fills the sides with a blurred copy of the same photo, Color fills them with one flat color, and Crop is there if you decide you want to fill the frame after all.
For a person against a busy or textured background, Blur usually looks most natural because the colors already match. If the backdrop is plain, or the photo is a logo, Color looks cleaner. Here's the photo with Blur at the default photo size of 100%:
At 100% the photo touches the top and bottom of the square. That's fine for a square post, but for a circle the head is right where the mask starts curving in.
3. Pull the subject in with Photo size
This is the setting that makes the difference for avatars. I moved Photo size from 100% down to 80%. The whole photo shrinks toward the center and the blurred fill grows around it, so the head and elbows sit inside the circle instead of in the corners.
Go lower if the photo has important stuff near its edges. The tool's own advice is to keep text in the middle 70% of the square.
4. Download, then check it in a circle before uploading
Leave the download size at 1024 × 1024 and the format at JPEG, and click Download DP. My 11.6 MB original came out as a 1024 × 1024 JPEG of about 133 KB, which any app will accept without complaining.
Before uploading, I masked both versions with a circle to see roughly what the app will show. On the left is the original with its center square taken (what you get if you just accept the app's crop), and on the right is the Full DP export:
The cropped version cuts into the hair and loses most of the arms. The padded version keeps the whole person. The trade-off is that he's smaller in the circle, which matters at 40 pixels in a chat list.
When padding is the wrong call
- Tight headshots. If the face already fills most of the frame, padding just makes it smaller. Choose the crop yourself with Square Crop and move the box so the face sits in the middle.
- Very wide photos. A 16:9 landscape padded to a square leaves big bands above and below, and the person turns into a speck. Crop it.
- Busy backgrounds. A blurred copy of a cluttered background looks muddy. Switch to Color, or tune the blur strength in the Blurred Frame editor.
- Low-resolution originals. Fitting a 300-pixel photo into a 1024 square doesn't add detail.
If you need a square for a post rather than an avatar, the main square converter on squareimage.dev does the same blur, color, resize and crop modes and defaults to 1200 px.
Related on Medium: an earlier take on LinkedIn and WhatsApp avatars that pads with blur first and the Instagram 1:1 version of the same padding idea.
Sample photo: "Rob Headshot HQ", Wikimedia Commons, CC0.
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