Merge Multiple PDF Files into One
Secure, Easy and Free Online PDF Merge Tool
🔐
No upload, PDF will be merged in your browser. Your files are 100% secure!
100% Secure
No upload required, all your PDF files will be merged in your browser.
Completely Free
MergePDF.co is completely free PDF merge tool with no usage limits.
Really Fast
Powered by WebAssembly technology for faster PDF merge.
Easy to Use
Drag and drop your PDF files, arrange the order, click merge and download automatically.
Trusted by Professionals Worldwide

Sarah Chen
Graphic Designer
MergePDF.co is a lifesaver! I often need to combine design drafts into one file for clients, and this tool does it instantly—no upload required. Love the privacy.

Tom Blake
University Student
I use MergePDF.co to merge lecture notes and readings. It’s super easy and totally free. No ads, no limits—just works!

Aisha Rahman
HR Manager
Fast, secure, and no learning curve. I merged multiple employee documents in seconds. The fact that it runs in the browser is a huge plus for confidentiality.

Marco Silva
Full Stack Developer
I don’t trust uploading legal documents to random servers. MergePDF.co lets me combine files directly in my browser—brilliant and secure.

Emily Davis
Freelancer
I’ve tried many PDF tools, but MergePDF.co is by far the simplest and fastest. No sign-up, no watermarks—just drag, drop, and merge.

Sarah Chen
Graphic Designer
MergePDF.co is a lifesaver! I often need to combine design drafts into one file for clients, and this tool does it instantly—no upload required. Love the privacy.

Tom Blake
University Student
I use MergePDF.co to merge lecture notes and readings. It’s super easy and totally free. No ads, no limits—just works!

Aisha Rahman
HR Manager
Fast, secure, and no learning curve. I merged multiple employee documents in seconds. The fact that it runs in the browser is a huge plus for confidentiality.

Marco Silva
Full Stack Developer
I don’t trust uploading legal documents to random servers. MergePDF.co lets me combine files directly in my browser—brilliant and secure.

Emily Davis
Freelancer
I’ve tried many PDF tools, but MergePDF.co is by far the simplest and fastest. No sign-up, no watermarks—just drag, drop, and merge.

Daniel Wu
Software Engineer
Love the tech behind it—WebAssembly makes it lightning fast. Perfect for merging logs, reports, or any PDFs I generate on the fly.

Julia Novak
Teacher
I combine student worksheets and tests into one file all the time. MergePDF.co is my go-to. It saves me hours every month!

Kevin López
Digital Marketer
Clean UI, zero clutter, and instant results. This is exactly how every online tool should work. MergePDF.co nailed it.

Lena Fischer
Translator
I often receive PDF files in pieces. This tool helps me put them together in seconds. No file uploads means I don’t worry about confidentiality.

Ahmed Khan
Accountant
Super helpful during tax season. I can merge invoices and reports without installing anything. Safe, quick, and accurate.

Daniel Wu
Software Engineer
Love the tech behind it—WebAssembly makes it lightning fast. Perfect for merging logs, reports, or any PDFs I generate on the fly.

Julia Novak
Teacher
I combine student worksheets and tests into one file all the time. MergePDF.co is my go-to. It saves me hours every month!

Kevin López
Digital Marketer
Clean UI, zero clutter, and instant results. This is exactly how every online tool should work. MergePDF.co nailed it.

Lena Fischer
Translator
I often receive PDF files in pieces. This tool helps me put them together in seconds. No file uploads means I don’t worry about confidentiality.

Ahmed Khan
Accountant
Super helpful during tax season. I can merge invoices and reports without installing anything. Safe, quick, and accurate.