Expand a PNG or WebP canvas with transparent space.
Add a photo or graphic; the editor reads its dimensions and opens a fitted live preview.
Transparent canvas expansion is preselected and exported in an alpha-capable format. Adjust each side independently or link all sides, choose a color or transparency, and use ratio presets when the final canvas must be square or portrait.
Confirm the output dimensions in the live editor and export the exact full-resolution canvas.
About this tool
Transparent canvas expansion is preselected and exported in an alpha-capable format.
Padding expands the canvas without scaling or cropping the source. Independent side values also let you place the image off-center for captions or gallery layouts.
Add a photo or graphic; the editor reads its dimensions and opens a fitted live preview. Adjust each side independently or link all sides, choose a color or transparency, and use ratio presets when the final canvas must be square or portrait. Confirm the output dimensions in the live editor and export the exact full-resolution canvas.
Transparent canvas expansion is preselected and exported in an alpha-capable format.
Both add canvas space around the image here. A linked, even value behaves like a border; independent top, right, bottom and left values behave like layout padding.
You can start with JPG, PNG, WebP and export PNG, JPG, WebP. Actual decoding support can vary slightly by browser.
Add Transparent Border to Image runs in your browser. Your image is not uploaded to Image Toolkit.
No. You can use this tool without creating an account.
