Merge PDF: Combine and Reorder PDF Pages

Merge PDF files directly in your browser — no upload to any server. Combine PDF files, reorder pages, and merge multiple PDF files into one — all processing stays local. 🔹 Key Features - Drag and drop PDFs anywhere in the window to add them instantly. - Add files through the system file picker or right-click any PDF link on the web. - Auto-detect PDFs opened in your browser and add them without downloading. - Reorder PDF pages individually using arrows or drag and drop, with thumbnail previews. - Rotate pages by 90° increments and delete unwanted pages. - Reorder and organize files by simple drag and drop. - Produce a single PDF from all added files with customizable output filename templates. - Undo/redo up to 50 steps, dark theme, and remappable keyboard shortcuts. - Each extension tab is an independent workspace — run multiple merges in parallel. ✅ Use Cases - Office workers: combine PDF files of contracts, invoices, or reports into one document for easy sharing. - Students and teachers: gather lecture notes and assignments from different sources to reorder pages into a single study material. - Legal and HR professionals: assemble signed documents and rotated scans into a neat package without exposing sensitive data online. - Freelancers and entrepreneurs: merge multiple PDF files of proposals and portfolios while keeping client information private. - Anyone who cares about privacy: process confidential files entirely offline, with no limits on file count or size, and no watermarks. ⚡ How It Works 1. Add PDFs — drag and drop, use the file picker, right-click a PDF link, or let the extension detect open PDFs automatically. 2. Arrange and edit — reorder files, expand to see all pages, rotate or delete pages as needed. 3. Download the result — choose a filename template and click the download button. Your new PDF is ready instantly. 🔒 Privacy and Security All processing happens locally in your browser — no file ever leaves your computer. No sign-up, no accounts, and no data collection. The extension works offline after installation, so you can merge sensitive documents without any third-party server. ❓ Questions and Answers - Is there a limit on file size or number of pages? No. You can merge PDF files of unlimited size and pages without watermarks. - Do I need an internet connection? After installing, the extension works fully offline — no uploads needed. - Can I reorder PDF pages within a file? Yes. Expand any file to see all its pages, then drag and drop or use arrows to reorder pages. - Is my data private? Absolutely. Since everything runs in your browser, nothing is sent to any server. - Can I run multiple merges at once? Yes. Each extension tab is an independent workspace, so you can prepare different merges in parallel. 👉 Install Merge PDF now to combine PDF files, reorder pages, and merge multiple PDF files effortlessly — all while keeping your documents private.