Merge PDF files — free, private, no upload.
Combine multiple PDFs into one file in your browser. Drag, drop, reorder — nothing is ever uploaded to a server. No account required.
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MERGE
Drop PDFs to merge
use ↑↓ to set order · max 30 files · 500MB total
Merging...
Files merged
Output size
Status
Done
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100% Private
Files are processed entirely in your browser. Nothing is ever uploaded to a server.
⚡
Fast & Free
No upload wait times. Merging starts instantly with no account required.
∞
No Limits
No watermarks, no paywalls, and no account required.
🌐
Works Everywhere
Any modern browser on Mac, Windows, iPhone, or Android — nothing to install.
Frequently asked questions
How do I merge PDF files for free?
Drop your PDF files into the tool above, use the arrows to set the order, then click Merge PDFs. Your combined PDF downloads instantly — no account needed.
Can I reorder PDFs before merging?
Yes. After adding your files, use the up and down arrows to arrange them in any order before merging.
Are my PDF files uploaded to a server?
No. Merging happens entirely in your browser using JavaScript. Your files never leave your device.
Is there a limit on how many PDFs I can merge?
You can merge up to 30 PDF files at once, with a total size limit of 500MB across all files.
Does merging PDFs affect quality?
No. Squish Files merges PDFs by combining the original page data without re-encoding. All text, images, and formatting are preserved exactly as they are.
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