Merge PDF
Combine multiple PDF files into one — drag to reorder.
Navigation
Navigation
Private by default
Files stay in your browser. Nothing is uploaded unless a tool says otherwise.
Drop files here
Upload once, process locally, and keep the original workflow intact.
Files stay in your browser — nothing is uploaded
When to use this
You have five separate PDFs from different departments and the client wants one file. Or you scanned a stack of receipts and now you need a single expense report. Maybe you are assembling a proposal from a cover letter, scope document, and pricing sheet that live in different folders. These are the moments when merging matters.
Merge is also the fastest way to append a signed addendum to an existing contract, tack a new exhibit onto a legal filing, or combine monthly statements into a year-end archive. Any time you are about to attach multiple PDFs to the same email, stop and merge them first — recipients will thank you.
One underrated use case: combining presentation handouts with speaker notes into a single reference document after a conference. Much easier to search through one file than twelve.
Good to know
Page order is your responsibility. The final PDF follows exactly the sequence you set. Drag files up or down before merging — there is no undo once you download. If you are combining chapters, double-check the order against your table of contents.
Bookmarks usually do not carry over. PDF-level bookmarks (the clickable outline panel in Acrobat) are document-specific metadata. When you merge files, each source document's internal bookmark tree is not automatically stitched into a unified outline. If you need bookmarks in the final file, you will need to recreate them in a PDF editor afterward.
Fonts and images survive intact. Unlike copy-pasting between Word documents, merging PDFs preserves embedded fonts, vector graphics, and image resolution exactly as they appear in each source file. The merged output is byte-for-byte faithful to the originals.
File size adds up linearly. Merging five 2 MB PDFs produces roughly a 10 MB file. There is no compression during the merge step — if you need a smaller result, run the merged file through a PDF compressor afterward.
Quick Reference
| Use case | Typical input | Result |
|---|---|---|
| Expense report | 5-15 receipt scans | Single PDF for reimbursement |
| Contract assembly | Agreement + exhibits + signature pages | One executed document |
| Year-end archive | 12 monthly statements | Single searchable annual record |
| Proposal package | Cover letter + scope + pricing + references | One professional deliverable |
| Conference handouts | Multiple slide decks or note PDFs | Unified reference document |