Merge PDF files for free
Our merge PDF tool combines multiple PDFs into a single, organized document. Because it runs entirely in your browser, your files never leave your device — it is private and instant.
Merge PDF
Combine several PDF files into a single document — reorder them before merging. Runs entirely in your browser.
Merge PDF
Free · No sign-up · Processed on your device
Up to 30 MB per file and 100 PDF pages. Multiple uploads: up to 30 files and 60 MB combined. Very large images have additional processing limits.
Drop your file here or click to upload
Add one or more files. Reorder them before processing.
How do you merge several PDF files into one?
Choose your PDF files, put them in the order you want, then merge them and download a single file. Merging happens entirely in your browser, so your files are not uploaded, and the tool is free with no watermark or signup. You can combine up to 30 files, with 30 MB per file, 60 MB in total and 100 pages per merge. To reorder individual pages inside a file, use the Edit PDF tool.
How it works
1
Upload two or more PDF files.
2
Reorder them into the sequence you want.
3
Click merge and download your combined PDF.
Full control over the order
Add as many files as you need and reorder them before merging, so the final document follows the exact sequence you want.
Combine your CV and cover letter
A common use is merging a resume with a cover letter or certificates into one file for job applications. Build the CV itself for free with Astr, then merge it here.
Frequently asked questions
How do I merge PDF files?
Upload your PDFs, put them in the order you want, then click merge and download the result.
Is it free?
Yes, merging PDFs is completely free with no watermark or signup.
Are my files uploaded to a server?
No. Merging happens entirely in your browser, so your files stay on your device.
How many files can I combine?
Up to 30 files, 30 MB per file, 60 MB combined and 100 PDF pages in total.
Can I change the order of pages?
You can reorder whole files before merging. To reorder individual pages, use the Edit PDF tool.
Will quality be affected?
No. Merging keeps the original quality of each file.