Seal maker and PDF stamper
Type a name and get a seal. Download it as a transparent PNG, or drop it straight onto a PDF or an image. Your files stay in this browser.
Make a seal
Pick a name and a shape. The preview updates as you type. Download a transparent PNG.
Korean law on registered seals sets 7mm to 30mm per side. Shown here for reference only.
Cut the background from a photo
Upload a photo of a real stamp impression and the white paper is removed. Lower the threshold to remove more.
Font sources
Every font here is licensed under the SIL Open Font License 1.1. We do not host the font files. Your browser fetches them from Google Fonts. Pick the device font and even that request disappears.
Nanum Myeongjo License textWhere does the file go
Nowhere. The document opens in this browser, the stamped result is built here, and the download comes straight from this page. The server only learns that a feature was used once. No file name, no content. Read the guide
Tap anything below that you would actually use. It tells us what to build next.