Merge PDF
Combine PDFs into one file, in the order you pick.
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How many PDFs can I merge?
As many as you drop in, minimum two. Reorder them with the arrows before merging.
Does merging lose any quality?
No, pages are copied over exactly as they are, nothing gets recompressed or re-rendered. Bookmarks and interactive form fields don't carry over, but the page content itself is untouched.
Why is the merged file bigger than the originals added up?
Fonts and resources from each PDF carry over, and duplicates are not deduplicated. Run it through Compress PDF after if size matters.
Does this upload my files anywhere?
No. Everything runs in your browser. Files never leave your device, there's no server to send them to, and no account or log.