Help & FAQ
Choose the workflow that fits your files: Merge PDF and images for mixed uploads, Combine Files for PDF-only document sets, or convert JPG images to PDF when your source files are photos or scans.
How to Use
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1
Upload Files
Upload your PDF files and/or images (up to 120MB per file)
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2
Combine Files
Click 'Combine' to merge your files
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3
Download Result
Download your combined PDF instantly
Popular PDF tools
Frequently Asked Questions
Is there a file size limit?
Yes, each file can be up to 120MB in size.
What file types can I combine?
You can combine PDF, JPG, JPEG, PNG, and BMP files.
Is my data secure?
Yes. Uploaded files and generated PDFs are deleted from our servers when you leave the page.
Do I need to create an account?
No, CombinePDF is completely free to use without any registration required.
How does CombinePDF process my files?
CombinePDF prepares each upload, merges the files in order, and creates one downloadable PDF.
Larger files can take longer, so keep this tab open until the download is ready.
How many files can I combine at once?
You can upload up to 20 files at once, with each file being up to 120MB in size.
What happens to my files when I leave?
All uploaded files and generated PDFs are deleted from our servers when you leave the page for your privacy and security.
Still have questions?
Contact us at [email protected]