A practical stamp workflow
Create a Transparent Stamp PNG
Use a transparent image when a stamp needs to sit over a document without a white box. Start with an editable template or clean an image you already have.
Clean an existing image ↗Create a new stamp from a template
Open the editor, choose an office template and edit its text. The frame and lettering are drawn on a transparent canvas. Select 960, 1920 or 3000 pixels and download PNG. Changing the preview to white paper or a dark background helps you inspect edges; it does not add a background to the saved file.
Remove a light background from an existing stamp
Open Image to Stamp and choose a PNG, JPG or self-contained SVG up to 2 MB. Leave Remove light background on. Lower the threshold to remove more pale pixels, or raise it to preserve fine strokes. The tool processes images within 1024 pixels on their longest side. It does not upload them or enlarge the source.
Keep colors or convert to single ink
Turn off Convert to single ink to retain your image’s colors. Turn it on to recolor the mark and turn lighter pixels into transparency. Trim transparent edges removes empty padding around visible pixels. Shadows, colored paper and textured photographs may need manual cleanup before importing; this is a brightness-based tool, not an object cutout service.
Check transparency before using the file
Compare the original and processed previews. Inspect the result on both light and dark backgrounds. Faint ink may vanish if the threshold removes too much, while a grey halo can mean the scan includes paper shadows. Download the PNG and use picture insertion in your document application. A plain white image viewer background does not by itself mean transparency was lost.
Choose PNG, SVG or PDF for the job
PNG is a practical choice for Word, slides and PDF placement. SVG from the editor preserves vector lettering and borders, but uploaded images remain raster artwork. PDF is useful for printing a stamp on Letter or A4, or for marking an existing document. Do not rename a JPG file to PNG and expect its white pixels to become transparent.