Sticker Forge

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Drop transparent PNGs here or choose multiple files from your device

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Upload a PNG with transparency to preview the sticker effect. The first file is rendered automatically as settings change.

Idle

Border size 300px

Border color

Border opacity 100%

Corner smoothing 4px

Edge sensitivity 128

Edge sensitivity — lower includes more semi-transparent pixels in the shape.

Fill interior holes ON fills enclosed transparent regions before expanding the border.

Enable shape fill Creates a smooth filled silhouette under the sticker border.

Fill radius 200px

Higher values fill larger concave gaps and produce a smoother blob.

Enable drop shadow Uses the same dilated sticker mask beneath the border.

Output format

Filename suffix