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PDF Merger
Upload multiple PDF files and merge them into a single PDF. Drag to reorder files before merging. All processing happens in your browser — your files never leave your device.
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Drop PDF files or click to select
Add multiple files · drag to reorder
Merge PDF files for free
All merging happens in your browser using pdf-lib. Your files never leave your device. There are no file size limits beyond your device's available memory.