Same as placing a rubber stamp on paper documents, we need to add a digital stamp to PDF files sometimes. Adding stamp to a PDF can protect our privacy and discourage others from sharing, can authenticate the file with a signature, can mark the document’s status as draft, approved or final , even can help on tracking source and branding.
Stamp is a kind of annotating, PDFs users can add stamp in a PDF tool with annotation feature, such as stamp creator, Adobe Acrobat, Preview or online free tools. We’ll show you how in the following parts.
Cisdem PDFMaster
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The easiest way to add stamp to PDF files is using a PDF stamp creator, here we recommend Cisdem PDFMaster for Mac and Windows users.
Cisdem PDFMaster is a comprehensive program with 8 PDF tools that allows users to convert, create, split, encrypt, decrypt, compress and edit PDF documents. In the PDF Edit module, PDFMaster lets users highlight, strikethrough, add shapes, add texts, annotate, stamp, sign, crop and draw on PDFs. Users can resize the stamp and place it wherever on a specific page of PDF or on all pages of a PDF.
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In the case that you have installed and subscribe Adobe Acrobat on your computer, you can directly insert stamp to PDF in Adobe. It allows users to choose from a predefined stamp templates, use dynamic stamps, even create own stamps with company logo, signature and so on.
If you haven’t subscribed Adobe Acrobat yet, take a second thought to make the payment. To add stamp to PDF only, there is no need to pay for it, but if you need to edit PDFs more than annotating and very often, you can consider buying it after a 7-day free trial.
If you are a Mac user, you may be wondering if Mac Preview, the default PDF tool to view and markup PDFs for macOS, can add stamp to a PDF or not. Yes, it can, but we will have to create a stamp from scratch, there is no predefined stamp template for an easy insertion.
Google Docs is one of the recommended tools to edit PDF without installing Adobe Acrobat or other third-party software. To add stamp to PDF online free, Google Docs may not be the best solution, but if you get used to edit PDFs in Google Docs, there is a method to add PDF stamp in Google Docs.
Actually, there are 2 ways to add stamp to PDF in Google Docs, by inserting the stamp image to PDF or draw a stamp from scratch. Drawing stamp in Google Docs is similar as that in Mac Preview, you can use the Drawing tool under Insert menu to get it done. But here, we will add the stamp by inserting image in Google Docs, which is easier to use, you will have to get the stamp picture in transparent PNG format ready first.
You don't need to install any program or sign up online to add PDF stamp, if you just need to do this one or a few times, you can use one of the many available online free PDF tools to add the stamp. However, there is no online tool offered to add a predefined stamp to your PDFs, they help add stamp as watermark to your files only.
We tried a list of online free tools to add stamp to PDFs, iLovePDF is our best pick, it helps add stamp to single page and to all PDF pages, with text or image as the stamp. But you can only place the stamp at 9 preset positions. It is easy t use, let’s show you how.
You don’t have to install a PDF editor like Adobe Acrobat to add the stamp, there are so many options. Using Cisdem PDFMaster, you can add predefined stamp to your PDFs easily and without hassle. Moreover, it gets all necessary PDF tools covered, Convert, Create, Merge, Split, Annotate, Protect, Unlock, Compress, those are basic tools you need the most for your PDF documents, it is worth a try.
If you want to try online free solutions to add the PDF stamp, it would be better not to upload highly confidential documents online, for the sake of possible information leakage risks.
Connie has been writing for Mac productivity and utility apps since 2009. Each review and solution is based on her practical tests, she is aways energetic and trustworthy in this field.
