Merge PDF Online
Combine multiple PDF documents into a single organized file with drag-and-drop page reordering.
Drop your PDF files here, or browse
Select multiple PDFs to combine into a single document. 100% private in-browser.
Quick Reference & Instructions
Simple steps, pro tips, and execution details
Select or Drop Files
Drag & drop your images, PDFs, or documents directly into the upload area.
Customize Quality & Target
Adjust compression sliders, page merge order, or target file format.
Save Processed File
Download your optimized files instantly. Zero server processing—100% in-browser.
How It Works
Reads selected PDF files in memory using WebAssembly/JavaScript, preserves internal vector assets and text, and compiles them into a merged document client-side.
Frequently Asked Questions
Common questions about calculations, assumptions, and edge cases.
No. The entire merging process executes client-side in your web browser. Your confidential documents never leave your device.
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