Rounded Corners Image Maker – Round Photo Corners with Transparency

Round your photo corners with real transparency.

Round the Corners of Any Image

Sharp square corners look harsh in modern designs. Rounded corners soften a photo, make it sit better in cards, slides, and social posts, and match the look of today’s apps and websites. This tool rounds the corners of your image and, importantly, makes those corners truly transparent rather than filling them with white.

The tool is free and runs fully in your browser. Your image is never uploaded to a server. The result downloads as a PNG, which is the format that keeps transparency intact.

Why Transparency Matters

Many editors round corners by painting the corners white. That looks fine on a white page and terrible everywhere else. On a coloured background, on a photo, or on a dark slide, white corners show up as ugly blocks. Real transparency means the corners let whatever is behind the image show through, so the image looks right on any background.

PNG is the right format for this. JPEG cannot store transparency at all, so a rounded image saved as JPEG always gains a solid background colour. Always download the PNG version from this tool if you need the transparent corners.

Choosing the Radius

The radius slider sets how round the corners are, in pixels. A small radius, around twenty pixels, gives a gentle softening that suits professional documents and profile photos. A large radius gives a pill or bubble look that suits stickers, badges, and playful social posts.

The tool caps the radius at half the shorter side of your image, so the corners can never overlap or break the shape. If you want a fully round image, set the radius to the maximum and use a square photo, or try the shape cropper for a true circle.

Using Rounded Images

Rounded images work well in presentations, where square photos can look stiff against rounded slide shapes. They work well in social posts, where they match the rounded frames of most apps. They work well on websites, in cards and avatars, and in documents where a softer look helps the page feel friendly.

For avatars and thumbnails, round the corners before you upload the image to the platform, because most platforms crop rather than round. Doing it yourself keeps control over the exact shape.

A Quick Workflow

Upload the image, move the radius slider until the preview looks right, and download the PNG. That is the whole process. There is no account, no install, and no waiting, and your image never leaves your device. If you change your mind about the radius later, run the original through the tool again with a new setting. The original is never altered.

Rounded Corners Across Platforms

Different platforms round corners by different amounts, and that inconsistency is exactly why doing it yourself helps. A phone app might show avatars as circles, a website might use slightly rounded cards, and a slide deck might use heavily rounded rectangles. If you upload a square image and let each platform crop it, the result varies and sometimes cuts off important detail at the edges. Rounding the image yourself, with a radius you chose while looking at the preview, locks in the look everywhere the file is used. One more practical point: keep the rounded PNG as your master file, but export a JPEG copy for places that do not accept PNG or that compress uploads aggressively. The JPEG will have a solid background in the corners, so pick a background colour that matches the page it will sit on. For most uses, though, the PNG is the file to share, because it carries the real transparency.

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