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EspañolTransparent stamp PNG: white, black or checkerboard background?
Distinguish a viewer backdrop from a changed file. Check the original PNG, insert it into a document and preserve transparency when sharing or printing.
On this page
The essentials in three steps
- A white or black viewer backdrop does not by itself mean transparency was lost.
- Use Save PNG on the result page, not a preview screenshot.
- Place the original over a coloured document background to distinguish a real white rectangle from a viewer backdrop.
1Transparency lets the content underneath show
PNG can carry transparency, but a .png extension alone does not guarantee it. The file must contain transparent pixels and the viewer must display them. White or black can simply be the viewer’s backdrop.
2Separate preview markings from the final file
Stampng previews have a visible watermark and opaque background. The final PNG has no visible watermark and a transparent background. The checkerboard on the result page is a display aid; a screenshot can capture it as part of a new image.
3How to test for a real white rectangle
- Find the original downloaded PNG, not a screenshot or a copy converted to JPG.
- Create a coloured shape or background in a document and insert the PNG above it as a picture.
- If the underlying colour shows around the stamp, transparency remains. If a white rectangle covers it, download a fresh original and compare.
4Sharing and conversion can change the file
Screenshots or saving against a white layer can flatten transparency. Where possible, send the original as a file/document attachment and test the received file too. Messaging apps handle files differently, so no transfer method is universal.
5Transparency and sharpness are different
The current web download is a 512×512-pixel PNG, not a vector. Enlarging it does not add detail. Resize proportionally, inspect the saved PDF and test-print when needed. Compression, physical size and printer settings affect the result.
Questions about this guide
Why does the background look white or black?
Some viewers display transparent areas as white or black. Insert the original downloaded PNG, not a screenshot, into a document to check. Send it as a file to avoid image conversion in messaging apps.
Will my download have a watermark?
Previews have a watermark and an opaque background. The final file from Save PNG has a transparent background and no visible watermark.
Can I download fonts or SVG files?
The download is a PNG image. Stamp font files and source SVGs are not provided.
Sources and scope
Content checked: . Menus and features vary by product, version and device. Check official help and the recipient’s requirements before use.
Report a correctionReady to make your own Korean stamp?
Choose your Hangul name, shape and font. Save it as a transparent PNG.