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Convertto

Image Border & Rounded Corners Tool

Add a solid, gradient or photo-style border, and round the corners of any image.

To add a border to an image, set the width as a percentage and pick a colour — a solid frame, a photo-print style with a wider bottom edge, or an inset line drawn inside the image. Corner radius is separate, so you can round the corners with or without a border, and 50% on a square image produces a circle.

Runs in your browser
Privacy
Runs entirely in your browser — nothing is uploaded
Cost
Free, unlimited, no sign-up

Frequently asked questions

Why did my rounded corners come out white or black?

JPG has no alpha channel, so the transparent corners are flattened onto a solid colour. Export as PNG or WebP if the image will sit on a coloured background — that is the only way the corners can actually be transparent.

How do I turn a photo into a circle?

Crop it square first, then set the corner radius to 50% and export as PNG. On a non-square image, 50% produces a stadium shape rather than a circle, because the radius is bounded by the shorter side.

How to use the add a border to an image

  1. 1Select your images — the file stays on your device and is never uploaded.
  2. 2Choose the style.
  3. 3Set the border width.
  4. 4Pick the border colour.
  5. 5Set the corner radius.
  6. 6Turn "Round the image inside the border too" on or off as needed.
  7. 7Set the drop shadow.
  8. 8Choose the output format.
  9. 9Set the quality.
  10. 10Press Run, then download the result when it is ready.

Embed this tool

Put the working add a border to an image on your own site. It runs in your visitors' browsers exactly as it does here — free, no account, nothing uploaded.

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