Import .WordprocessingML.MainDocumentPart Completely free, 100% Java but has some limitations.ĭocx4j is open source and the best API for convert Docx to pdf without any alignment or font issue. Uses Apache POI to read the Word document and iText to write the PDF. Or you can use the wrapper API JODConverter.
To write PDFs you need to pass the "writer_pdf_Export" writer rather than the "MS Word 97" one. The SDK contains an example in document conversion (examples/java/DocumentHandling/DocumentConverter.java). This supports reading Office documents and writing PDF documents.
OpenOffice is a native Office suite which supports a Java API. Open Source, Not Pure Java - Requires Open Office installed It contains samples describing how to convert documents in the evaluation download. Snowbound appears to be a 100% Java solution and costs over $2,500. Snowbound Imaging SDK Closed Source, Pure Java It's Java API to merge XML document created with MS Office (docx) or OpenOffice (odt), LibreOffice (odt) with a Java model to generate report and convert it if you need to another format (PDF, XHTML.). Xdocreport Actively developed, Pure Java, Open Source Ties together a number of libraries to perform the conversion. Yeokm1/docs-to-pdf-converter Irregularly maintained, Pure Java, Open Source Three products that I know of can render Office documents: Here is a cut down copy of my blog post on this subject which outlines existing products that support Word-to-PDF in Java.Ĭonverting Microsoft Office (Word, Excel) documents to PDFs in Java Use Apache POI & iText (very large job, will never be perfect).Using the available APIs script Open Office (90+% perfect).Using JNI/a C# web service/etc script MS Office (only option for 100% perfect results).This is quite a hard task, ever harder if you want perfect results (impossible without using Word) as such the number of APIs that just do it all for you in pure Java and are open source is zero I believe ( Update: I am wrong, see below).
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