Merge PDF Files Online
Combine multiple PDF documents into a single file instantly. Drag, drop, reorder your pages — then download your merged PDF in seconds. 100% free, no watermarks.
SSL Encrypted
All transfers secured
Auto Deleted
Files removed in 2 hours
Lightning Fast
Process in under 5 seconds
Private & Safe
We never read your files
Works Anywhere
Any browser, any device
No Waiting
Instant download ready
Select or drag PDF files
Drag and drop multiple PDF files, or click to browse your device
Choose PDF FilesMax 100MB per file · PDF files only · Files deleted after 2 hours
Q1_Financial_Report_2026.pdf
18 pages · 2.4 MB
Project_Proposal_Design_v3.pdf
7 pages · 1.1 MB
Contract_NDA_Signed.pdf
4 pages · 410 KB
Drag files to reorder. The merged PDF will follow this sequence.
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How to Merge PDF Files Online — Step by Step
Upload your PDFs
Click "Choose PDF Files" or drag and drop multiple PDFs into the upload area. You can add as many files as you need.
Arrange the order
Drag files up or down to set the exact page order you want in your final merged document. Preview file details like page count.
Merge and download
Click "Merge PDFs Now" and your combined PDF will be ready in seconds. Download it directly — no email required.
Why Use PDFly to Merge PDF Files?
PDFly is a free online PDF merger that lets you combine multiple PDF documents into a single file without installing any software. Whether you need to merge PDF files on a Mac, Windows PC, iPhone, or Android device, PDFly works directly in your browser — no download required.
Unlike desktop software, our online PDF combiner is always up to date and accessible from anywhere. Merge scanned documents, combine reports, join contracts, or assemble presentations — PDFly handles all PDF types including password-protected files (with your permission).
Merge PDFs Securely — Your Privacy is Protected
All uploaded files are transferred over an encrypted HTTPS connection and processed on secure servers. Your PDF files are automatically deleted from our servers within 2 hours of processing. We never read, share, or store your document content. PDFly is fully GDPR-compliant.
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Frequently Asked Questions
Everything you need to know about merging PDFs with PDFly