“How secure is the watermark I added to protect my document?” If We provide a means in Adobe PDF Library to securely add watermarks to the pages Production environment without paying for a license. This limits the ability of someone to distribute these PDFĭocuments, and thus limits a prospect from using our free demos in their own PDF documents produced by the free online demo programs we provide for evaluation People from downloading and using those photographs without paying for rights Particular, watermarks are added to digital photographs as a way to prevent They can also be added to digital files, such as JPG photo files or PDF While watermarks originated for use with printed documents, Identified the manufacturer, or the weight and quality of the parchment, or Protect the paper itself against knock-offs the watermark on a piece of paper At that time, and for centuries to follow, watermarks were used to Paper manufacturing process in Italy in the late 13 th century, whenĭesigns were added to paper stock while it was still wet pulp (hence the name, Watermarks were introduced as part of the They can also be used to verify a document’sĪuthenticity, as with paper currency. Watermarks appear on document pages or on photographs as a
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