converter.setTimeout(30000); // 30 seconds converter.setTempDir(new File("/fast/ssd/temp")); If your PDFs look "boxy" (missing fonts), install the missing system fonts or use:
converter.convert(new File("presentation.pptx")) .toImage() .scale(2.0) // 2x resolution .format("png") .execute(); Tip 1: Handle Large Files Gracefully
converter.setFontDir("/usr/share/fonts/truetype/msttcorefonts");
Say goodbye to OpenOffice dependencies. Convert DOCX, XLSX, PPTX to PDF directly in your JVM. Introduction If you’ve ever tried to convert a Word document to PDF in Java, you’ve likely faced a nightmare of licensing issues (OpenOffice), slow REST APIs, or unreliable formatting. Enter JOfficeConvert .
In-memory conversion → 0.8 seconds per file, zero crashes. Final Verdict JOfficeConvert is a hidden gem for Java developers who need reliable, fast, dependency-free document conversion. It won't handle every exotic Microsoft Office feature, but for 90% of business documents (reports, invoices, letters, basic spreadsheets), it's the best open-source solution available.
Spawning LibreOffice for each PDF → 15 seconds per file, crashed under load.
Replace your OpenOffice/LibreOffice conversion stack today and watch your server CPU usage drop by half. Have you used JOfficeConvert? Share your experience or conversion issues in the comments below!
