Transparent PNG vs White-Background JPG for PDF Seals: A Practical Test
Test a PDF seal image on three representative pages. Check transparency, halos, empty canvas, resolution, placement, and the exported file before release.
Tag: PDF Tools
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When Is a Visible PDF Stamp Good Enough?
Direct answer: A visible PDF stamp is usually enough when the goal is to show document status, support internal routing, or make a review...
Why PDF Stamps Look Blurry: Image Quality, Scaling, and Export Checks
A blurry PDF stamp is rarely caused by one single problem. In most cases, it comes from a low-resolution seal image, aggressive scaling, a...