Leave the image blank or add a frame, and the original image will remain at its original size.
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Add Image BordersUser Guide
Add an equal-width solid color border around the local static image, do not scale the source, retain the original transparent area, and export the new PNG image after verification.
How to use
Import a JPG, PNG or WebP.
Set the surrounding border width and color to generate a PNG preview.
Export the new image after checking the output size and transparent area.
Formats and limits
Only static JPG, PNG, WebP accepted; maximum 20 MiB, 24 million pixels each, maximum 16,384 px on one side.
Border is an integer number of pixels from 0 to 500; output includes borders up to 24 million pixels and up to 16,384 px on a side.
Output
A new copy of the PNG with borders, without overwriting the original image and without preserving the source EXIF/GPS.
Frequently asked questions
Will the transparent area become border color?
No. Only the surrounding newly added area is filled with the border color, and the transparent area of the original image remains transparent; when the border is zero, the source size is maintained and re-encoded into PNG.
The file name and content are only processed in your browser and are not transmitted to the server. The original file will not be overwritten. Please export the required results before leaving the tool.