Merge PDFs
Rearrange and merge a PDF file into one. Up to 20–200 pages can be processed in the browser and a copy is saved.
Input and file are processed in this browser. It resets when refreshed.
Result
Check the result after input.
Share result
Share the tool link and result text together. No URL is included in the result. Check the below content and then share it.
How to use and processing criteria
A process of combining multiple normal PDF pages into a new document in the desired file order.
Actual example
Select 2-page PDF and 3-page PDF in this order to get a total of 5 pages. You can swap the order using the up/down buttons next to the file. The original file remains unchanged.
Frequently Asked Questions
What happens when merging PDFs with passwords or signatures?
Encrypted or corrupted PDF form fields indicate errors. Digital signature, attachment, and bookmark preservation are not supported; work on a regular document copy and verify the results.
Are there limits on the number of pages or files during PDF merge?
Supports 2–20 files, total 50MB·up to 200 pages. Processes files sequentially; stop by clicking cancel. Files are not sent to the server.
Calculation criteria and reference materials
- PDF-LIB — PDF document processing
Copy the page and save it as a new PDF; limitations of preserving additional document information
Verification of calculation criteria: · Calculation·verification principles · Report errors