6 real use cases
Choose a use case, download its inputs and try the listed settings in the tool above. Compare your work with the actual exported result.
Camper travel sticker
Expand a contour around the transparent subject while preserving detail. Keep transparent outer space.
Plant stationery sticker
Expand a contour around the transparent subject while preserving detail. Keep transparent outer space.
Butterfly journal sticker
Expand a contour around the transparent subject while preserving detail. Keep transparent outer space.
Glass product label
Expand a contour around the transparent subject while preserving detail. Keep transparent outer space.
Soft cloud weather sticker
Expand a contour around the transparent subject while preserving detail. Keep transparent outer space.
Promotional ribbon sticker
Expand a contour around the transparent subject while preserving detail. Add a soft shadow.
What this tool does
Sticker Outline Generator
Add a colored outline and shadow around transparent artwork, expand the canvas and download a PNG.
Local processing
Selected files are processed in your browser without a file-upload step or account.
How to use
- Choose transparent artwork
- Adjust outline width, color and shadow
- Preview the edges and download PNG
Formats and limits
Uses existing transparency; it does not remove backgrounds. Opaque photos produce rectangular outlines.
Frequently asked questions
Are my files uploaded?
No. Processing happens on your device. The website, fonts and dependencies may still use the network; offline use is not guaranteed.
Will my original files change?
No. Results are downloaded as new files. The batch renamer also writes copies when exporting to a folder.
What are the limitations?
Uses existing transparency; it does not remove backgrounds. Opaque photos produce rectangular outlines.