Articles tagged “How-to”
Every guide on How-to from the Seal Generator blog.
How to Remove a Stamp Image Background (Free, No Photoshop)
Turn a scanned or photographed stamp into a clean transparent PNG in your browser. Threshold, denoise, and ink settings explained, and why AI tools struggle.
How to Turn a Paper Stamp Into a Clean Digital Seal Image
How to scan, photograph, clean, crop, and recreate a paper stamp as a reusable digital seal image, without overstating its legal effect.
How to Stamp a PDF Without Adobe Acrobat (Free, Online)
Add a seal or stamp to a PDF in your browser (one page, every page, or a perforation seal across the edges) without Acrobat Pro or uploading the file.
How to Prepare a Seal Image for Online Forms
A practical upload checklist for seal images: choose PNG or SVG, handle transparency, resize without blur, name files clearly, and test before submitting.
Seal Size and Resolution Guide: Pixels, Millimeters, and DPI
Learn how to size a digital seal for documents and print, convert millimeters to pixels, choose a practical DPI, and avoid blurry or oversized results.
How to Create a Transparent PNG Seal
Why seals need a transparent background, how to export one, when to use high-resolution or SVG instead, and how to place it cleanly into documents and images.
SVG vs. PNG for Seals: Which Format Should You Export?
The difference between vector and raster seal exports, when to choose SVG, when PNG is the better pick, and how each fits into documents and print.
How to Add a Seal to a PDF or Word Document
Step-by-step: export a transparent seal and place it cleanly into Word, PDF, or an image, over the content without pushing it around.