How to use Merge PDF online
Combine reports, contracts, scans, or other PDF files into one organized document without installing software.
Upload your files
Drop the PDF files you want to combine into the upload area above.
Configure settings
Add up to 50 PDFs, then arrange the files in the exact order they should appear.
Download your result
Merge the files and download one validated PDF when processing is complete.
Frequently asked questions
Can I change the order before merging PDF files?
Yes. Arrange every uploaded PDF before processing; PDFly combines them in the order shown.
What is pay-per-use pricing?
You only pay for completed operations. The fee is deducted from your wallet when your result is ready to download.
Do I need an account to use this tool?
You can choose a file and configure the tool first. Sign in is required to process and download the result.
How secure are my documents?
Files use private object storage and signed access. Uploaded sources are scheduled for deletion when processing finishes, abandoned uploads expire within 24 hours, and generated results remain available in My files for 7 days.
What file size limits apply?
Each file can be up to 100 MB. Multi-file tools accept up to 50 sources and 200 MB combined.