Articles tagged “How-to”
Every guide on How-to from the Seal Generator blog.
How to Remove the Background From a Stamp Image (Free, No Photoshop)
Turn a scanned or photographed stamp into a clean transparent PNG in your browser: threshold, denoise and ink-enhance settings explained, plus why generic AI background removers struggle with stamps.
How to Turn a Paper Stamp Into a Clean Digital Seal Image
A practical guide to scanning, photographing, cleaning, cropping, and recreating 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 — single pages, every page, or a perforation seal across the page edges — without buying Acrobat Pro or uploading the file to a server.
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 — so it floats over your content instead of pushing it around.