WhatsApp profile photo: 640 × 640
The frame is already set. Drop an image in and it is scaled to fill 640 × 640 exactly, with the overflow trimmed from the centre instead of the picture being stretched.
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Nothing here is uploaded. See how the page enforces it.
Why 640 × 640
WhatsApp stores profile photos at 640x640 and displays them far smaller. Handing it a larger file changes nothing except who does the downscaling, and WhatsApp's own compression is heavier than anything you would have chosen.
It is shown as a circle in every chat list and header, cropped from a square first. Centre the face and leave margin, because the corners are always lost.
What happens to an image that is not 1:1
Three things can be done with a photograph that does not match the frame, and only one of them is usually right.
| Mode | Result | Use when |
|---|---|---|
| Fill exactly | Scaled up until it covers 640×640, then trimmed from the centre. Nothing is distorted; the edges are lost. | Almost always. It is the default here. |
| Fit inside | Scaled until the whole picture fits. You get the full image but smaller than 640×640 on one axis. | Nothing may be cropped, and you will add your own background. |
| Exact (stretch) | Squashed to 640×640. Faces and circles distort. | Practically never. |
The ratio here is 1:1. The closer your source is to it, the less the fill mode has to trim. A photograph shot in the right orientation loses almost nothing.
Questions
+ Will my image be stretched?
No. The default mode scales the image until it covers the frame and then trims the overflow from the centre, so proportions are kept. Stretching is available in the mode selector, but it distorts anything recognisable and is almost never what you want.
+ What if my photo is smaller than 640×640?
It is enlarged to fill the frame. Enlarging cannot add detail that was never captured, so the result will be softer than a photograph taken at that size. The frame will be correct, but start from the largest original you have if you can.
+ Are my images uploaded?
No. The resizing happens in your browser on your own processor. Nothing is sent, there is no queue, and the page carries on working if you disconnect from the internet.
+ Can I resize a whole folder at once?
Yes. Drop in as many as you like, or on Chrome and Edge use "Open a folder" to read every image in a folder and write the results straight back into a folder you choose, with no ZIP in between.
+ Is there a watermark or a sign-up?
Neither. There is no account and no watermark, and nothing is capped.