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Crop your Facebook profile picture

Facebook keeps a square and shows a circle, at a surprisingly small size on desktop. Frame against that circle here, export a PNG, and nothing leaves your browser.

Runs in your browser Real circle preview Transparent PNG

Drop a photo or click to upload

JPG, PNG or WEBP, any shape

Measured

What each export size actually weighs

We put the same 600 by 600 portrait, a 42.9 KB JPG, through this tool at every size offered above and weighed the PNG that came out. Default zoom, no ring.

49.6 KBat 170 by 170
148.6 KBat 320 by 320
320.2 KBat 512 by 512
942.7 KBat 1024 by 1024

170 is the size most desktop viewers see, but exporting at exactly 170 leaves nothing for phones or for any view that draws it larger. 320 costs 99 KB more and covers both.

Where it appears

Every place Facebook draws your avatar

Your upload is a square. Every one of these is a circle cut out of it.

PlacementWhat it isShape
Your profileThe largest viewCircle
Posts and commentsSmall, beside everything you writeCircle
Friends list and searchSmaller stillCircle

Facebook's display size on desktop is around 170 pixels, which is why exporting at 320 is not wasteful. It is roughly two device pixels for every one you see.

Sizing

Upload 320 by 320, seen at around 170 by 170 on desktop

Facebook stores the square you give it and generates every smaller version from that one file. The size you upload is therefore a master copy, not the thing anyone looks at, and the sensible target is the size that downscales cleanly rather than the biggest number available.

Device pixel ratio is why the upload is bigger than the display. A phone or modern laptop packs two or three physical pixels into every CSS pixel, so an avatar drawn at 40 pixels on screen needs 80 or 120 real ones to look crisp. Platforms also generate their own thumbnail set, and a server downscaling a generous file beats a browser stretching a small one.

The trap is going too far the other way. Exporting above your source resolution does not create detail, it interpolates, and you pay for it in file size. Check what your original actually is before reaching for the largest option here.

Geometry

The circle keeps 78.5 percent of your square

A circle drawn inside a square covers pi divided by four of its area, which is 78.5 percent. The missing 21.5 percent comes entirely from the four corners, and a corner pixel sits about 1.41 times further from the center than the nearest point on the circle. Anything out there is not close to surviving the crop.

That is why framing against a square and hoping goes wrong so often. A photo composed for a square is usually framed too wide for a circle, which is how avatars end up as a small head floating in the middle of a lot of background. Keep what matters inside roughly the central 80 percent of the circle and it will still read when Facebook draws it small.

Honest limits

What this tool will not do

It will not find your face for you

There is no face detection. You drag and zoom, which takes a few seconds and never crops the wrong person out of a group shot. To trim the original to a rectangle first, use the image crop tool.

It will not fill the circle below 100 percent zoom

At 100 percent the photo exactly covers the circle. Zoom out and you get transparent wedges at the rim, because the file genuinely has nothing in those pixels.

It will not rescue a small photo

Exporting a 300 pixel photo at the largest size gives you a big file that still looks like a 300 pixel photo. Enlarge on purpose with the image upscaler first if you need to.

FAQ

Frequently asked questions

What size should a Facebook profile picture be?

320 by 320 is the commonly published upload size and the default here. Facebook displays it at roughly 170 pixels on desktop and smaller elsewhere, so you are uploading about double what most people will see, which is what keeps it sharp on high density screens.

Why does Facebook show it as a circle when I upload a square?

Because the square is storage and the circle is presentation. Facebook keeps your square file and draws a circular mask over it at display time, so the corners of your photo are never seen even though they are still in the file. Framing against the circle is the only way to know what survives.

Is a page profile picture the same size as a personal one?

Close enough for this tool. Both are stored square and displayed as a circle at similar sizes, so a 320 pixel export works for either. Cover photos are a different shape entirely and are not what this page makes.

My photo looks fine on my profile but blurry in comments. Why?

Comment avatars are tiny, and blur at small sizes usually means the file was upscaled somewhere. If your source photo was smaller than what you exported, the softness was already baked in. Check the original dimensions before you crop.

Is my photo uploaded anywhere?

No. It is read by your browser, drawn onto a canvas and encoded there. Nothing is sent to a server, which you can confirm with your network tab open.

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