Merge PDF files
Combine several PDFs into one document, in the order you want.
Bring contracts, invoices, reports or scans together in one clean PDF. Add as many files as you need, reorder them with drag and drop, and download the merged document in seconds. Pages, links and original quality are preserved.
How to merge pdf files in 3 steps
Add your file
Click “Select” or drag and drop the file. It stays on your device.
Merge PDF files
Reorder the files with drag and drop, then click “Start”.
Download the result
Your file is ready in seconds, with no watermark and no sign-up.
Why use Merge PDF on PDF Atlas?
100% private
Your documents are processed in your browser and never uploaded.
Free & unlimited
No account, no watermark, no daily limit.
Fast
No upload time: results are instant.
Works everywhere
Computer, tablet or phone, on every system.
Frequently asked questions
How many PDFs can I merge?
There is no fixed limit: you can combine dozens of files. The only limit is your device memory.
Is the quality preserved?
Yes. Pages are copied as they are, without recompression: text, images and fonts stay identical.
Is Merge PDF free?
Yes, the Merge PDF tool on PDF Atlas is completely free, with no sign-up, no limits and no watermark.
Are my files safe?
Yes. Processing happens locally in your browser: your files are neither uploaded nor stored on a server.