Merge PDF Files
Combine multiple PDFs into one file — fast, secure, and free.
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Upload PDF Files
Drag & drop your files here, or click to browse
Max 200MB Per File • Secure Local Processing
Merge PDF Online for Free – Fast & Secure
Need to combine multiple PDF files into a single, organized document? Our Merge PDF tool is the perfect solution. Whether you have invoices, reports, or e-books scattered across different files, you can join them together in just a few clicks.
Unlike other tools that require expensive software subscriptions or forcing you to register, FirstClickTools is 100% free and runs directly in your browser. We prioritize your privacy with secure processing that ensures your documents never stay on a server. Experience the easiest way to organize your digital paperwork today.
How to Merge PDF Files in 3 Simple Steps
Upload PDFs
Select the PDF files you want to combine from your computer or mobile device. You can also drag and drop them directly into the tool.
Arrange Order
Once uploaded, simply drag and drop the file thumbnails to reorder them. Make sure your document flows exactly how you want it before merging.
Merge & Download
Click the "Merge PDFs" button and watch as your files are joined instantly. Download your new single PDF document immediately.
Why Use Our Free PDF Merger?
100% Free
Use all our tools completely free. No credit card required, no email registration, and no hidden subscriptions.
Fast Processing
Our optimized engine processes files instantly so you don't have to wait for long uploads or conversions.
Secure & Private
Secure processing ensures your files are handled safely on your device. We do not store your documents.
Drag & Drop
Intuitively manage your document order with our smooth drag-and-drop interface.
No Watermarks
Your final document is clean and professional, with absolutely no branded watermarks added.
Works Everywhere
Fully responsive and works perfectly on Mac, Windows, Linux, iPhone, and Android devices.
Frequently Asked Questions
Common questions about our PDF merger tool
Is this merge PDF tool free?
Yes, FirstClickTools offers a 100% free PDF merger. There are no hidden fees, no credit card required, and no daily limits on the number of files you can process.
Is it safe to merge PDFs here?
Absolutely. We use secure browser-based processing, which means your files are processed locally on your device or via secure temporary uploads that are deleted immediately after processing. We do not store your documents.
Do I need to install software?
No. Our tool works entirely in your web browser (Chrome, Firefox, Safari, Edge). You can merge PDFs on Windows, Mac, Linux, or mobile devices without installing any software.
What is the maximum file size?
We support large file uploads up to 200MB per file. This is sufficient for most high-quality PDF documents, textbooks, and reports.
Can I merge PDFs on mobile?
Yes! Our platform is fully responsive and works perfectly on iOS (iPhone/iPad) and Android devices. You can upload files directly from your mobile storage or cloud drive.
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