Merge PDF Files Directly
From Your Browser
Lumr's PDF merger runs entirely online, so there's no software to install. Bring multiple files together into one clean document, in whatever order you choose.
or drop your files here
Max file size 100 MB
- No signup needed
- Private & encrypted
- 256-bit SSL
- AES-256 encrypted
- SOC 2 Type II
How to Merge PDF Files in 3 Easy Steps
Upload your PDF files
Drag and drop the files you want to combine, or select them from your computer.
Arrange and merge
Put your files in the order you want, then combine them into a single document.
Download your combined PDF
Download your finished file, with everything in one place.
See How to Combine PDF Files Online With Lumr
Watch how Lumr turns several separate files into one clean, shareable PDF.
cover-letter.pdf
portfolio.jpg
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resume.docx
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application-merged.pdf
4 pagesThe Fastest and Most Reliable
PDF Combiner Online
Bring all your separate files together into one document, without having to install anything.
Combine multiple files at once
Any number of PDFs
Combine two files or twenty into a single PDF, all in the same upload.
Reorder pages before you merge
Your order, your call
Drag your files into the order you want before merging, so the final document reads exactly as intended.
Fast, web-based merging
Seconds from start to finish
Upload your files and download the combined PDF in moments, no matter how many pages you're merging.
Practical and intuitive tool
Nothing to figure out
A simple upload, arrange, merge flow means you don't need any technical experience to combine PDF files.
Works on any device
One tool, every platform
Merge PDF files on the most popular operating systems, including macOS and iOS.
Secure file processing
Handled with care, every time
Lumr encrypts your files during merging and doesn't keep them once you've downloaded your combined PDF.
Trusted Every Day to Merge PDF Files
Here's what people say after merging their files with Lumr.
“I pull a cover letter, a portfolio, and a CV into one tidy PDF in seconds, and the order is exactly how I dropped them.”
Sarah M.
Marketing Manager
“Sending clients ten separate files looked messy. Now I merge everything into one PDF and it just looks professional.”
James K.
Freelance Designer
“I combine contracts, photos, and notes into a single file right from my phone. So quick and nothing loses quality.”
Ana L.
Real Estate Agent
FAQs About Our PDF Combiner
Still have questions about how to merge PDF files? Check out the answers below.
Can I rearrange the order of the files before I merge them?
Once you've uploaded your files, drag them into the order you want before combining them. The final document will follow the sequence you set, so you don't need to fix anything afterwards.
Can I combine PDF files with other formats like JPG or Word?
Lumr's merge tool accepts PDF, JPEG, Word files, and more, converting each one automatically so everything combines into a single PDF.
Will the final merged PDF keep the original formatting, links, and text intact?
Merging combines your files without altering their content. Text, formatting, and any working links carry over exactly as they appeared in the original documents.
Do I need to download an app or software to merge PDFs?
No, Lumr works entirely online. You only need a smartphone, laptop, or desktop and an internet connection to merge PDF files, with no downloads or installations required.
Is it safe to merge PDF documents on Lumr?
Yes, our platform processes your files with encryption and doesn't retain them once you've downloaded your merged PDF, so your documents stay private throughout.
Can I combine PDFs on my iPhone, iPad, or Android?
Yes, Lumr's tool works on smartphones. You can combine PDFs from an iPhone, iPad, or Android device just as easily as from a computer.
Can I separate PDFs after merging?
If you need to separate pages again later, upload your merged file to Lumr's Split PDF tool, which lets you break it back down into individual documents.
Security you can trust
Independently audited and compliant with the security and privacy standards your documents demand.
- SOC 2 Type II
- GDPR
- ISO 27001
- HIPAA
- eIDAS
- PCI DSS
Ready to merge your files?
Join millions of users who trust lumr for fast, clean PDF merging. No fees, no hassle.
- Ready in 3 seconds
- 256-bit SSL secure
- Works on any device