Merge PDF Online
Upload two or more PDFs to see them side by side — preview each one, rotate any sideways pages, and arrange the order. Merging copies pages without re-encoding, so the single combined PDF keeps full quality.
Drag & drop your file here
or click to browse your device
Each PDF is shown below — tap 👁︎ to preview its pages, ⟳ to rotate it 90°, use ↑ ↓ to reorder and ✕ to remove. Merging copies pages without re-encoding, so quality is never lost.
When to merge PDFs
Scattered documents are hard to manage: a contract in one file, its appendix in another, the signed cover page somewhere else. When you merge pdf files into a single document, everything lives in one place — easier to email, archive, print, and share. It's also the cleanest way to assemble reports, job applications, or scanned chapters that were saved as separate files.
How to merge PDFs
- Add your files by dragging them onto the page or clicking to browse. You can add as many PDFs as you like.
- Reorder them by dragging the file entries into the order you want the pages to appear.
- Click merge and the tool stitches every page together in that order.
- Download the combined PDF. Done in seconds, right in your browser.
Practical tips
- Order matters more than you think. Double-check the sequence before merging — cover page first, then the body, then appendices. If you need to shuffle individual pages afterward, use Organize PDF.
- Merge before you compress. If the combined file is too big to email, run it through Compress PDF afterward rather than compressing each file separately.
- Watch out for mixed orientations. Merging a landscape spreadsheet with portrait pages is fine, but the result can look odd when printed — Rotate PDF can fix pages beforehand.
Limitations to know
Merging joins whole files in order — it won't interleave pages from two documents or merge only selected pages from each file. For that, split out the pages you need first, then merge the pieces. Interactive form fields may lose their fillable behavior in the merged copy, so merge before filling in forms, not after.
A quick pre-merge checklist
Before you hit merge, do a 30-second sanity pass: confirm every file opens correctly (a corrupted PDF can stall the whole job), remove any password protection first with Unlock PDF, and make sure you're not merging duplicates. If two files contain the same scanned page, the merged result will too — there's no automatic duplicate detection. Finally, think about the reader: one giant 300-page file is harder to navigate than three focused ones, so merge with purpose, not just because you can.