PDFMargin

PDFMargin is a local-first PDF tool built to solve a common printing problem: content too close to the page edge gets cut off by printer non-printable margins. In Margin mode, you can quickly add safe margins, choose output page sizes (including original size), and preview the result before export—so your final print is readable and complete. In Organize mode, you can upload multiple PDFs, visually drag to reorder pages, multi-select and move pages together, remove individual pages with confirmation, and undo your last action. Everything runs locally in your browser. Your files stay on your device and are not uploaded to external servers. Source code (GitHub): https://github.com/Richthespencer/PDFMargin