Merge PDF
Combine multiple PDF files into one, in the order you choose.
🔒 Processed locally — nothing is uploadedAdd two or more PDF files
Related tools
A signed contract, an invoice, and a cover letter shouldn't have to travel as three separate attachments. This tool stitches any number of PDFs into one file, in exactly the order you set.
Common reasons to merge PDFs
- Compiling scanned pages from a multi-page document scanned one sheet at a time into separate files.
- Assembling a complete application or report — cover letter, resume, and references as one submission.
- Combining invoices or receipts for a single expense report instead of sending them individually.
- Building a portfolio from several individually-exported PDF documents.
Getting the order right
Files appear in your upload order by default, numbered in the list. Use the ↑ / ↓ buttons next to each file to move it earlier or later before merging — the order in the list is exactly the order the pages will appear in the final PDF. Double-check the order before hitting merge; each source PDF contributes all of its own pages as a contiguous block, so reordering happens at the file level, not the page level.
A typical merge, step by step
Say you've just scanned a five-page signed contract one page at a time, and your scanner app saved each page as its own PDF. To turn that into one file: drop all five PDFs into the upload area at once (or one at a time — order of upload doesn't matter, since you can reorder afterward). Check the numbered list against the physical pages of the contract — scanner apps sometimes save files in the order you scanned them, which isn't always the order the pages actually appear in the document. Use the ↑ / ↓ buttons until the list matches the real page order, then merge. The result is a single PDF you can attach to one email instead of five.
What survives the merge — and what doesn't
Merging copies each source PDF's actual page content — text, images, layout — with no quality loss, since nothing is re-rendered. What it doesn't automatically handle is document-level structure that lives outside individual pages: bookmarks or an outline/table of contents from a source file generally won't carry over into the merged result, and fillable form fields can behave inconsistently once combined with other files, since each source PDF may define its own field names and structure. If the merged file needs a proper table of contents or working form fields, plan to add those afterward in a dedicated PDF editor — this tool is built for combining page content reliably, not for reconciling every source file's internal structure.
Frequently asked questions
Is there a limit to how many PDFs I can merge?
The free plan merges up to 5 files at once; TheHandyKit Pro removes that cap for larger batches. Larger batches take a little longer either way, since everything still processes locally.
Will merging affect the quality of the pages?
No — pages are copied directly from each source file with no re-rendering or recompression, so quality is identical to the originals.
Can I merge password-protected PDFs?
An encrypted PDF can't be processed locally without removing the password first — do that in your PDF viewer if you have the credentials.
Can I merge a Word-exported PDF with a scanned PDF?
Yes — the source files don't need to match in type or origin. A text-based PDF and an image-based scanned PDF merge together just as easily as two of the same kind.
Do bookmarks or a table of contents carry over?
Not automatically — see "What survives the merge" above. The page content merges perfectly; document-level navigation structure like bookmarks generally needs to be rebuilt afterward if you need it.
Does the final file size just add up all the originals?
Roughly, yes — merging doesn't compress anything, so the result is approximately the sum of the source files. If the final PDF is too large for where you need to send it, run it through our Compress PDF tool afterward.