PDF Merger
Upload your files to process. All operations happen in your browser - your files never leave your device.
Drag and drop files here or click to browse
Accept pdf files up to 50 MB
Maximum 20 files
Merge PDF Files Online - ILoveCompress
Merge PDF files online with ILoveCompress. Combine PDF documents quickly and securely in one click. Free online PDF merger — fast, private, no watermarks.
FROMPDF Format (Portable Document Format)
PDF is a standardized document format ideal for sharing, archiving, and printing. It preserves layout, text, images, and formatting across platforms.
- • Universal support across all devices and systems
- • Maintains original text, fonts, images, and layout
- • Supports encryption and password protection
- • Used for contracts, manuals, forms, and reports
- • Ideal for consistent viewing and printing needs
TOMerged PDF Document
A unified PDF document combining multiple PDF files. Ideal for submitting, printing, archiving, or sharing multiple documents in one.
- • Single file with all combined PDF content
- • Preserves original formatting and quality
- • Simplifies document management
- • Perfect for reports, portfolios, and forms
- • Fully compatible with PDF readers and platforms
Why Use Our Merge PDF Files Online - ILoveCompress?
Discover the key advantages of converting your files with our professional-grade tool.
Merge Multiple PDFs at Once
Combine PDF documents with ease—no limits, no watermarks, no quality loss. Fast and reliable merging.
Privacy First - 100% Secure
All merging happens in your browser. Your PDFs never leave your device. Complete data privacy.
Instant Online Merging
Merge PDF files online in seconds. No registration, no downloads, no delay.
Great for Work & Collaboration
Send combined reports, forms, or portfolios with just one file. Perfect for teams and remote collaboration.
Flexible & Reorderable
Drag and drop to arrange file order before merging. Full control over your final document.
Free to Use Forever
No watermarks or paywalls. Unlimited free access to the best online PDF combiner.
How to Convert Files Online - Step by Step Guide
Follow this comprehensive guide to convert your files quickly and efficiently. Our tool provides a seamless experience similar to other Split PDF available on our platform.
Upload PDF Files
Click ‘Upload’ or drag and drop multiple PDF files. You can merge up to 20 files (15MB each).
Arrange & Merge PDF Documents
Reorder PDFs using drag-and-drop, then click ‘Merge PDF’ to start combining. Fast and secure PDF merging.
Download Combined PDF File
Get your merged PDF instantly. Download as a single file—ready for sharing, printing, or archiving.
Key Features & Capabilities
Explore the powerful features that make our converter the best choice for your needs. These features are designed based on industry standards and user feedback.
Add Pages to PDF Easily
Quickly append documents or extra pages to an existing PDF. Efficiently expand your files.
Merge Scanned PDFs & Forms
Combine scanned contracts, forms, or invoices seamlessly. No layout distortion or quality loss.
No Upload, No Risk
Client-side processing ensures your documents stay local. Merge PDFs with maximum security.
Works on All Devices
Merge PDFs online from any device—Windows, Mac, Android, iOS. No software needed.
Combine Two or More PDFs
Join two PDFs or combine multiple PDFs into one master document.
Universal Compatibility
Resulting merged PDFs are compatible with all PDF readers and editing tools.
Frequently Asked Questions
Get answers to common questions about file conversion and our tool. For more technical information, you can also refer to PDF - Wikipedia.
Is ILoveCompress’s PDF Merger safe to use?
Yes, it’s 100% safe. All merging happens on your device and no files are uploaded or stored.
How many PDF files can I merge at once?
You can combine up to 20 PDF files in one go, each up to 15MB in size.
Do you add watermarks to merged PDFs?
No. All merged PDF files are clean, professional, and watermark-free.
Can I reorder the files before merging?
Absolutely. You can easily rearrange files before clicking the merge button.
Is this tool truly free?
Yes, ILoveCompress provides free and unlimited PDF merging with no sign-ups required.
What devices are supported?
All modern devices and browsers: Chrome, Safari, Firefox, Edge, on Windows, macOS, Linux, Android, and iOS.
Does this work for scanned PDFs?
Yes. Scanned PDFs are fully supported. You can merge PDFs created from scanners or mobile apps.
Technical Specifications
Detailed technical information about supported formats and capabilities. These specifications are based on official documentation from PDF - Wikipedia.
Supported Input Formats
- • PDF (Portable Document Format, ISO 32000)
- • Scanned PDFs
- • Searchable text-based PDFs
- • Password-free PDFs
Output Specifications
- • Merged PDF file (ISO-standard compliant)
- • Preserves layout, fonts, and images
- • No watermarks, no size limit
- • Smaller, optimized size for sharing and printing
Processing Capabilities
- • Merge up to 20 PDF files
- • Max 15MB per file
- • In-browser, client-side processing
- • Drag-and-drop file reordering
- • Download merged PDF instantly
Platform Compatibility
- • Google Chrome, Firefox, Safari, Edge
- • Windows, macOS, Linux, Android, iOS
- • Fully responsive UI
- • Works on desktop, tablet, and mobile browsers
Additional Resources
Explore more tools and helpful resources for your file processing needs.
Our Tools
Helpful Resources
Start Merging Your PDF Now
Join thousands of users who trust our free, secure, and lightning-fast PDF Merger. Combine your PDF with confidence - no registration required!