Merge PDF Files Online — Free
Combine multiple PDFs into one document. Drag to reorder pages, then download your merged file instantly.
PDF Merger
Browser-Based · PrivateDrop PDF files here or click to browse
You can add multiple PDFs at once
Supported: PDF · Max 100MB per file
Merge Complete!
Your PDF has been merged successfully.
How to Merge PDF Files Online
Merging PDFs is useful in many everyday situations — combining scanned documents, assembling a portfolio, or joining chapters of a report. Our tool uses PDF-lib, a JavaScript library that runs entirely in your browser, so your files stay on your device.
Step-by-Step Guide
- Click "Browse" or drag multiple PDF files into the upload zone.
- The files appear in a list — drag to reorder them.
- Click "Merge PDFs" and the tool combines them instantly.
- Click "Download" to save your merged document.
Tips for Best Results
Make sure all PDF files are in the correct order before merging, as the tool combines them in the listed sequence. If you notice the wrong order, drag the file cards to rearrange before clicking merge.
Frequently Asked Questions
You can merge as many PDFs as you like, though very large numbers of files or very large PDFs may take longer. There's no hard limit on the number of files.
No, merging PDFs preserves all original content, fonts, images, and formatting. The output quality is identical to the input.
Yes! Once files are added to the list, you can drag and drop them to reorder. The final merged document will follow the order shown.