How to Merge PDFs
Learn how to merge multiple PDF files into one. Free guide.
Key Features
- Merge unlimited PDF files in a single operation
- Drag-and-drop to reorder files before merging
- Select specific page ranges from each input file
- Preserves bookmarks, metadata, and embedded fonts
- Browser-only processing — files never uploaded
- Handles files up to 500 MB each
- Shows total page count before merging
- Instant download after merge
About How To Merge Pdfs
Merging PDFs combines multiple files into one clean, sequential document. PDF AI Tools merges in the browser — drag to reorder pages, set a custom page range from each file, and download a single combined PDF in under a minute with no registration required.
Most free mergers cap file count at five or restrict total size. Our engine merges unlimited files at any size, with drag-and-drop reordering and optional page range selection from each source document.
Who Uses This Tool
- Combine monthly bank statements into a single annual document
- Assemble contract, exhibit, and signature page into one PDF
- Merge scanned receipts for an expense report
- Bundle research articles for offline reading
How to Use How to Merge PDFs
- Step 1: Open Merge PDF and upload two or more files
- Step 2: Drag files to set the desired order
- Step 3: Optionally select page ranges from each file
- Step 4: Click Merge and download the combined PDF
Frequently Asked Questions
Can I merge more than 10 PDFs?
Yes — there is no cap on the number of files.
Will the merged PDF be password protected?
Only if all inputs are already unlocked. Remove passwords first if needed.
Does merging reduce quality?
No — PDF AI Tools concatenates pages without re-rendering.
Can I reorder pages after merging?
Yes — use the Rearrange PDF tool to move individual pages.