Round Image Corners & Circle Crop
Give any photo rounded corners — or crop it into a perfect circle — and download a transparent PNG. Everything happens in your browser, so your image is never uploaded anywhere.
Why round corners or circle-crop a picture?
Circular profile pictures are everywhere — chat apps, forums, email signatures, team pages — but most platforms crop your upload their own way, often cutting off part of your face. Cropping the circle yourself means you choose the framing, and the result looks right anywhere it's shown. Rounded corners (10–25%) are the softer option for product shots, thumbnails, presentation slides, and app-icon-style images where a hard rectangle feels harsh.
Why the download is a PNG, not a JPEG
The area outside the rounded shape isn't white — it's genuinely transparent, so the image sits cleanly on any background: dark mode, colored slides, patterned pages. Only PNG (and WebP) can store transparency; JPEG can't, so saving as JPEG would fill the corners with solid white and give you an ugly white box on anything that isn't a white page. That's why this tool always outputs PNG. The checkerboard behind the preview is the standard way to show which parts are transparent — it isn't part of your image.
Rounded corners are transparency, and transparency is fragile
There is no such thing as a rounded image file. What this tool makes is a rectangular image whose corners are transparent; the rounding you see is the background showing through. That distinction stays invisible until something strips the transparency, at which point the corners return, usually as white or black blocks:
- Saving or converting to JPEG destroys it. JPEG has no alpha channel at all, so transparent corners are filled with a solid colour. That is why the download here is a PNG and not a choice.
- Some apps flatten it against white on paste, which looks right on a white page and obviously wrong on any other.
- Profile pictures often ignore it. The platform applies its own circular mask, so a pre-rounded avatar gets rounded twice and the two curves rarely line up — you can end up with clipped edges where a plain square would have looked right.
The short rule: round the corners when you control where the image lands, such as a slide, a document or a page you are building. Leave it square when a platform is going to crop it for you.
Frequently asked questions
Is my image uploaded to your server?
No. The image is opened, clipped, and re-saved entirely inside your browser on your own device — it never leaves your computer, and the page works offline once loaded.
How do I get a perfect circle?
Click "Make it a circle" — it center-crops your image to a square and applies a full 50% radius, which on a square is exactly a circle. On a non-square image, 50% alone gives you a pill/oval shape instead.
Will the rounded PNG work everywhere?
Transparent PNGs work in every browser, messenger, office suite, and design tool made in the last two decades. The one thing to avoid is re-saving it as JPEG afterwards — that flattens the transparency into white.
Does this reduce image quality?
No. PNG is lossless, so every pixel inside the shape is identical to your original. The file may be larger than a JPEG of the same photo — that's the price of lossless quality plus transparency.
The guide that goes deeper
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