Merge PDFCombine multiple PDF files into one document
Merge multiple PDF files into a single document online for free. Combine PDFs, reorder pages, and download instantly - everything runs in your browser. No upload, no sign-up, no watermarks.
Combine Multiple PDF Files Into One
Drop your PDF files in, arrange the order, and merge them into a single document. The combined PDF keeps every page exactly as it was - no quality loss, no re-encoding, no watermarks added. Merge two PDFs or two hundred. No file size limits, no daily caps, no account needed.
Secure Online PDF Merging
Most PDF tools upload your files to remote servers. This one does not. The entire merge runs locally in your browser using WebAssembly. Your contracts, tax returns, and personal documents stay on your machine. No cloud processing, no temporary storage, no third-party access. Close the tab and everything is gone.
Preview and Reorder Before Merging
After uploading, you see thumbnail previews of each file with page counts. Drag and drop to rearrange the order. Add more files at any point, or remove ones you do not need. The merged PDF follows the exact sequence you set. Need page-level control? Use Organize PDF to reorder individual pages.
Reliable Free PDF Merger
The merged output is a standards-compliant PDF that opens correctly in every reader. Text stays searchable, images keep their original resolution, and embedded fonts are preserved. Merge two pages or two thousand - the result is always clean and reliable. Need a smaller file? Run Compress PDF on the merged document.
How to Merge PDF Files Online
Upload Your PDFs
Drag and drop your PDF files into the upload area, or click to browse. Add as many files as you need - no limits.
Arrange the Order
Drag file cards to rearrange them. Add more files or remove ones you do not need.
Merge and Download
Click Merge PDF. Your combined document is ready to download in seconds - processed entirely on your device.
Frequently Asked Questions
Is it safe to merge PDF files online?
Yes. Your files are processed entirely in your browser. Nothing is uploaded to any server. There is zero risk of data leaks or unauthorized access.
How many files can I merge?
There is no limit. Merge 2 files or 200 - the only constraint is your device's available memory.
Will merging reduce quality?
No. The merge copies raw PDF data without re-encoding. Text, images, and fonts are preserved exactly as they are in the originals.
Can I reorder pages before merging?
Yes. Drag and drop file cards to set the order. For page-level reordering within a file, use Organize PDF.
Can I merge password-protected PDFs?
Yes. You will be prompted to enter the password. Once unlocked, the file merges with your other documents. The password never leaves your device.
Is there a file size limit?
No. No file size caps, no page count limits, no daily restrictions. Free means free.
Does this work on my phone?
Yes. Works in any modern browser on iPhone, Android, tablets, and desktops. Nothing to install.
Can I combine PDFs with images?
This tool merges PDFs with other PDFs. To include JPG or PNG images, convert them to PDF first using Image to PDF, then merge.