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Compress PDF
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Merge PDF
Combine several PDFs into a single document directly in your browser. Reorder files, drop unwanted pages and fix sideways scans before you merge. Your documents never leave your device. No sign-up, free.
Runs 100% in your browser No size or file limits Free, no sign-up
How to merge PDF files
Add your PDFs
Drag and drop two or more PDF files anywhere in the box, or click to browse. Every page appears as a thumbnail so you can see exactly what you are combining.
Arrange the documents
Drag files in the list to set the merge order. Hover any page thumbnail to rotate a sideways page or remove pages you do not need in the final document.
Merge and download
Name the output file and click Merge PDF. The combined document is assembled on your own device and downloads instantly.
PDF merging questions, answered
Are my PDFs uploaded to a server?
No. The merging happens entirely in your browser using its own processing power. Contracts, invoices and medical documents never leave your device, which is the whole point - most online PDF mergers upload your files to their servers.
Is there a limit on file size or number of files?
No hard limits. Because nothing is uploaded, there is no server quota to hit - the practical limit is your device's memory, which comfortably handles hundreds of pages.
Will the merged PDF lose quality?
No. Pages are copied into the new document exactly as they are - text stays selectable, images keep their original resolution, and links inside pages keep working. Merging is a lossless operation.
Can I remove or rotate pages while merging?
Yes. Hover any page thumbnail to rotate it in 90 degree steps or exclude it from the result. That saves a round-trip through separate rotate and split tools for simple cleanups.
What order will the pages be in?
Files merge top to bottom as shown in the file list, and pages keep their order within each file. Drag files in the list, or use the arrow buttons, to change the order before merging.
Does it work with password-protected PDFs?
Not yet. Password-protected files are detected and flagged so nothing silently breaks. Remove the password with the owner password in your PDF viewer first, then merge here.