If you need to stamp only one or two PDF files, then many tools will do the job well.
Easy Bates is the best choice when you need to stamp dozens or millions of documents. It's many times faster than all the other tools.
Easy Bates is the best choice for people who make mistakes. Easy Bates can remove Bates numbers and perfectly restore the original document. Of course, you should always make back up copies of your original documents, but Easy Bates can undo Bates numbers lightning fast.
Easy Bates is the best choice when stamping a variety of document types. Many other tools can stamp PDFs and only PDFs. Easy Bates stamps JPEGs and TIFFs as well.