> For the complete documentation index, see [llms.txt](https://docs.apryse.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.apryse.com/core/accessibility/apis.md). # Implementing PDF Accessibility with Apryse SDK Discover utility classes for PDF/UA or PDF documents in C++, Java, Node.js, .NET, .NET Core, and iOS with PDFUAConformance. Enhance your PDFs now! The Apryse Server SDK streamlines secure document pro ## API References for AutoTagging Apryse SDK supports multiple programming languages for AutoTagging. The following are utility classes that can be used for PDF/UA or PDF documents: | **Language** | **API References** | | -------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | **C++** | [pdftron::PDF::PDFUA::PDFUAConformance](https://euc-word-edit.officeapps.live.com/we/wordeditorframe.aspx?ui=en-US\&rs=en-US\&wopisrc=https%3A%2F%2Fapryse.sharepoint.com%2Fsites%2FProductMarketing%2F_vti_bin%2Fwopi.ashx%2Ffiles%2Fb903ce9e96f74fa5bf488d127a87acb5\&wdenableroaming=1\&mscc=1\&hid=C7A987A1-A05C-B000-ED8C-836492AFC07E.0\&uih=sharepointcom\&wdlcid=en-US\&jsapi=1\&jsapiver=v2\&corrid=5b9c72e1-d16a-0210-9401-47571074c196\&usid=5b9c72e1-d16a-0210-9401-47571074c196\&newsession=1\&sftc=1\&uihit=docaspx\&muv=1\&cac=1\&sams=1\&mtf=1\&sfp=1\&sdp=1\&hch=1\&hwfh=1\&dchat=1\&sc=%7B%22pmo%22%3A%22https%3A%2F%2Fapryse.sharepoint.com%22%2C%22pmshare%22%3Atrue%7D\&ctp=LeastProtected\&rct=Normal\&wdorigin=Other\&csc=1\&instantedit=1\&wopicomplete=1\&wdredirectionreason=Unified_SingleFlush) | | Java | [com.pdftron.pdf.pdfua.PDFUAConformance](https://euc-word-edit.officeapps.live.com/we/wordeditorframe.aspx?ui=en-US\&rs=en-US\&wopisrc=https%3A%2F%2Fapryse.sharepoint.com%2Fsites%2FProductMarketing%2F_vti_bin%2Fwopi.ashx%2Ffiles%2Fb903ce9e96f74fa5bf488d127a87acb5\&wdenableroaming=1\&mscc=1\&hid=C7A987A1-A05C-B000-ED8C-836492AFC07E.0\&uih=sharepointcom\&wdlcid=en-US\&jsapi=1\&jsapiver=v2\&corrid=5b9c72e1-d16a-0210-9401-47571074c196\&usid=5b9c72e1-d16a-0210-9401-47571074c196\&newsession=1\&sftc=1\&uihit=docaspx\&muv=1\&cac=1\&sams=1\&mtf=1\&sfp=1\&sdp=1\&hch=1\&hwfh=1\&dchat=1\&sc=%7B%22pmo%22%3A%22https%3A%2F%2Fapryse.sharepoint.com%22%2C%22pmshare%22%3Atrue%7D\&ctp=LeastProtected\&rct=Normal\&wdorigin=Other\&csc=1\&instantedit=1\&wopicomplete=1\&wdredirectionreason=Unified_SingleFlush) | | Node.js (Javascript) | [PDFNet.PDFUAConformance](https://sdk.apryse.com/api/pdfnet-node/PDFNet.PDFUAConformance.html) | | .NET | [pdftron.PDF.PDFUA.PDFUAConformance](https://sdk.apryse.com/api/PDFTronSDK/dotnet/api/pdftron.PDF.PDFUA.PDFUAConformance.html) | | .NET Core | [pdftron.PDF.PDFUA.PDFUAConformance](https://sdk.apryse.com/api/PDFTronSDK/dotnetcore/api/pdftron.PDF.PDFUA.PDFUAConformance.html) | ## Sample Code [Convert PDF to PDF/UA - Full Sample](/core/get-started/samples/pdfuatest.md) Full sample code which illustrates how to convert generic PDF documents to PDF/UA format. Sample code provided in Python, C++, C#, Java, Node.js (JavaScript), PHP, Ruby, Go and VB. ## Resources [Top 5 things you need to know about updating your UI to WCAG-compliance](https://apryse.com/blog/webviewer/wcag-compliance-ui) [The European Accessibility Act and Beyond: The Future of Digital Accessibility](https://apryse.com/blog/european-accessibility-act-strategies-compliance) [Scaling Document Accessibility with Apryse’s Auto-tagging Solution](https://apryse.com/blog/document-accessibility-with-auto-tagging) [Auto-tagging for PDF/UA – Improving Accessibility for all using the Apryse SDK](https://apryse.com/blog/auto-tagging-pdf-ua-compliance) --- # Agent Instructions This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com. ## Querying This Documentation If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question. Perform an HTTP GET request on the current page URL with the `ask` query parameter, and the optional `goal` query parameter: ``` GET https://docs.apryse.com/core/accessibility/apis.md?ask=&goal= ``` `ask` is the immediate question: it should be specific, self-contained, and written in natural language. `goal` is optional and describes the broader end goal you are ultimately trying to accomplish on behalf of the user. GitBook uses it to tailor the answer towards what is most useful for that goal. The response will contain a direct answer to the question and relevant excerpts and sources from the documentation. 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