Merge PDF Combine multiple PDF files into one. Drag to reorder, free, no signup, with automatic cleanup after 24 hours. Drop your PDFs here, or click to choose Pick at least 2 PDFs · up to 25 MB each and 31 MB combined · drag to reorder Files queued for merge + Add more PDFs Merge PDFs Add at least 2 PDFs to merge. Next: a page-level editor will open so you can reorder, rotate or remove individual pages before downloading.