A PDF invoice is commonly just a digital version of a paper invoice, and most commercial documents you’ll need to process will be PDFs without any tagged content whatsoever. The problem is that while it is possible to create well-structured PDF documents, you’re unlikely to encounter them when dealing with invoices or purchase orders. There’s a lot more to these standards than just tags of course, and you can find more information about them and solutions for creating such documents on our dedicated solutions pages linked above. These can be thought of as the “gold standard” of PDF since they make the data and content in in documents much more accessible, with a clear and logical structure. Tagged PDF is one of the primary requirements of the PDF/A standard for long-term archiving, and PDF/UA for universal accessibility. In the example of an invoice, such tags would identify things like the invoice date, supplier address, and so on. However, if you want to get usable (and reusable) output requires the PDF to have been tagged to identify and provide meta-information about the structural elements of the document. You might see PDFs like these referred to as “true” or “native” PDF, “digitally-born”, and so on. This can be directly extracted programmatically using a library such as iText 7 Core, or a more user-friendly solution like iText pdf2Data. If a PDF document such as an invoice has been digitally created by printing to PDF using a software application, its contents will be embedded directly within the document. Let’s explore the challenges of PDF data extraction, and the solutions. However, getting access to this data in a usable format can prove challenging, for a number of reasons. In the modern business world, it is becoming increasingly necessary to efficiently capture and extract data contained within such documents, ideally using automated processes. It became renowned as the format that could be trusted to ensure a consistent output, whether on screen or in print.Īs a general-purpose and reliable digital document format, it is the common way to send and receive commercial documents such as invoices and purchase orders, where the objective is to exchange portable and secure content. It’s not hard to see why before PDF, there was no way to reliably share a document, including any text formatting, images, etc., regardless of the recipient’s software, hardware, or operating system. Since the introduction of the PDF in 1993 it has become the de facto standard for formal documents and graphically-rich content. The benefits of template-based extraction.Automating data extraction, intelligent document processing, and more.What are structured, semi-structured, and unstructured documents?.
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