Combine multiple PDFs into a single document. Fast, free, and private.
Drop your PDFs here
or click to browse from your device
Whether you're compiling end-of-year financial reports, organizing a digital portfolio, or joining various scanned chapters into a single digital book, our PDF merging tool simplifies the entire process. PDFUp allows you to stitch together an unlimited number of PDF files directly within your web browser.
Drag and drop your PDF files into the designated area above, or click to select them from your device.
Drag the files in the list to rearrange them into the exact order you want them to appear in the merged document.
Click the 'Merge PDFs' button. Your files will be instantly combined, and the new PDF will be ready to download.
Your files are never uploaded to our servers. All merging happens locally in your web browser, ensuring complete privacy and security for your sensitive documents.
We don't restrict you with daily usage limits or lock basic features behind a premium paywall. Combine as many documents as you need, entirely for free.
Our intuitive drag-and-drop interface lets you visually reorder your files before the final merge. Simply grab a file block and move it up or down the queue.
Yes, absolutely. Unlike other online tools, PDFUp processes your files locally using your browser's memory. Your files are never uploaded to any remote server, meaning nobody else can access them.
Because the merging happens on your device, the only limit is your device's memory capacity. Most modern laptops and phones can easily handle hundreds of megabytes of PDFs.
No. We believe in providing truly free tools. Your merged document will not have any watermarks or branding added to it.
When you need to merge different documents into one, you're usually dealing with information that shouldn't be shared with the rest of the world. Think about combining your tax returns, piecing together a signed legal contract, or assembling a portfolio of your personal work. Most online tools force you to upload these private files to their servers before you can join them together. That means your data is sitting on a computer you don't control, leaving you to hope they actually delete it later.
We built our merger to work entirely on your own device. Your browser does all the heavy lifting locally, which means your files never get sent across the internet. You can drag and drop dozens of different reports, reorder them exactly how you want, and stitch them into a single file without worrying about who might be looking.
Because everything happens right on your computer, it's also incredibly fast. You don't have to sit around waiting for a huge file to upload or download. The moment you click merge, your new document is ready to save. It's a safer, smarter way to keep your paperwork organized.