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📋 PDF Merger

Combine multiple PDF files into one document with bulk processing, drag & drop upload, and secure merging. Free, fast, and reliable PDF merger tool.

📁 Upload Your PDF Files

📄
Drop your PDF files here
or click to browse files
💡 You can upload multiple PDF files for bulk merging (up to 20 files, max 100MB each)

⚙️ Merge Options

📊
Sequential Order
Merge files in the order you arrange them
🔤
Alphabetical Order
Sort and merge files alphabetically by name
🎯
Custom Order
Drag and drop to arrange files manually

📋 Files to Merge

🔄 Merging Your Files

Preparing files for merge...
0%

PDF Successfully Merged!

Your files have been combined into a single PDF document.

Why Use Our PDF Merger?

Combine multiple PDF documents into one professional file with advanced features and secure processing.

🔒

Secure & Private

All merging happens in your browser. Your files never leave your device for maximum security.

Lightning Fast

Merge multiple PDF files in seconds with our optimized processing engine.

📦

Bulk Processing

Combine up to 20 PDF files at once, saving time and effort on large projects.

🎯

Custom Order

Drag and drop to arrange files in any order before merging them together.

📱

Mobile Friendly

Works perfectly on desktop, tablet, and mobile devices with responsive design.

🆓

Completely Free

No watermarks, no limits, no registration required. Always free to use.

Frequently Asked Questions

How does PDF merging work and is it safe? +
PDF merging combines multiple PDF documents into a single file by reading each document's content and pages, then assembling them in your specified order. Our tool processes everything in your browser using client-side technology, ensuring your files never upload to our servers. This guarantees complete privacy and security for your documents.
Can I merge multiple PDF files at once? +
Yes! Our bulk PDF merger allows you to combine up to 20 PDF files simultaneously. Each file can be up to 100MB in size. Simply upload all your files, arrange them in your desired order, and merge them into one comprehensive document. This is perfect for combining reports, chapters, or multiple documents into a single file.
Can I change the order of PDF files before merging? +
Absolutely! You can arrange PDF files in any order before merging. Use our drag-and-drop interface to reorder files manually, choose alphabetical sorting, or maintain the sequential order you uploaded them. The final merged PDF will reflect the order you specify, giving you complete control over the document structure.
Does merging PDFs affect quality or formatting? +
No, merging PDFs preserves the original quality and formatting of all documents. Our merger maintains the exact layout, fonts, images, and formatting from each source file. The merged PDF will look identical to the original files, just combined into one document. All text remains searchable and selectable.
Can I merge password-protected PDF files? +
Password-protected or encrypted PDF files cannot be merged until they are unlocked. You'll need to remove the password protection from each file first using the original password. Once unlocked, you can merge them normally. This security measure ensures that protected content remains secure and accessible only to authorized users.
What are the file size limits for PDF merging? +
Each individual PDF file can be up to 100MB in size, and you can merge up to 20 files at once. The total combined size depends on your browser's capabilities and available memory. For very large merges, we recommend combining files in smaller batches to ensure optimal performance and faster processing.
Can I remove specific pages while merging PDFs? +
Currently, our merger combines entire PDF files. To exclude specific pages, we recommend using our PDF Splitter tool first to extract only the pages you need from each document, then merge those refined files. Alternatively, you can use PDF editing software to remove unwanted pages before uploading for merging.
Is the PDF merger free to use and are there any limitations? +
Yes, our PDF merger is completely free to use with no hidden costs, watermarks, or registration requirements. The only limitations are 20 files per merge session and 100MB maximum file size per document. You can use the tool unlimited times and there are no restrictions on the number of pages in the final merged document.
How can I share or save the merged PDF file? +
After merging, you can download the PDF directly to your device, share it via email or social media platforms, or save it to cloud storage services. The merged file is a standard PDF that works with all PDF viewers and can be shared just like any other PDF document. You maintain full ownership and control of your merged files.
What devices and browsers support the PDF merger? +
Our PDF merger works on all modern devices and browsers including Chrome, Firefox, Safari, and Edge on Windows, Mac, Linux, iOS, and Android. The tool is responsive and optimized for both desktop and mobile use. As long as your browser supports modern JavaScript, you can merge PDFs from any device with an internet connection.