Combine multiple PDF documents into a single file. Drag to reorder, preview pages, merge in seconds.
Drop PDF files here
or click to browse — multiple files supported
Yes! You can upload and merge as many PDF files as you need in one go. There's no limit to the number of files.
No. All merging happens entirely in your browser using PDF-lib. Your files never leave your device and are never sent to any server.
Yes! After uploading, you can drag and drop the file list items to change the order before merging.
Never. The merged PDF is completely clean — no watermarks, no branding from us.
There's no hard limit. However, very large files may be slower depending on your device's memory. Files under 50MB each work best.