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PDF Merger
Upload multiple PDF files, reorder them by dragging, and merge into a single PDF. Uses pdf-lib in the browser. Your files never leave your device.
Merge PDFs
Combine multiple PDF files into one. Reorder them before merging.
Drop PDF files here
or click to select files from your computer
Files are never uploaded — processed locally
High-Performance Client-Side PDF Merger
The PDF Merger online tool allows you to combine multiple PDF files into one clean document quickly and easily. By leveraging pdf-lib client-side JavaScript, all file compilation happens inside your browser sandbox. None of your invoices, bank statements, or official documents are ever transmitted to external endpoints.
Key benefits of our browser PDF compiler:
- Interactive Page/File Sorting: Adjust the order of your documents using simple up/down arrows or clear all files with one click.
- Responsive Status Indicator: Watch the progress bar as it loads, copies, and saves pages to give you real-time state feedback.
- Memory Efficient: Generates merged outputs efficiently even on low-resource mobile platforms.
Organize your documents confidently knowing that your data remains strictly private and client-side.