Stamp Overlay Lab

Online Stamp

Upload base image and stamp, drag to position, tweak opacity, and download

Drag the seal into place and see the blend instantly

PNG/JPG up to 10MB; transparent PNG stamps look best

Upload assets

PNG/JPG up to 10MB; transparent PNG stamps look best

Base image

PNG/JPG up to 10MB. PDFs aren’t previewed here; convert to image first.

Stamp image

Drag the stamp to reposition100%

Fine tune

Lower opacity for a softer overlay

Stamp opacity100%

Live preview

Drag the stamp inside the canvas to reposition

Base imageStamp image100% Stamp opacity

Upload a base image to start

Upload both images, then drag the stamp to preview instantly

About this tool

Overlay a stamp onto any image, reposition it freely, tweak transparency, then export a merged PNG in one click.